From chuck.schober at tx.rr.com  Sun Sep  6 18:29:41 2026
From: chuck.schober at tx.rr.com (chuck.schober at tx.rr.com)
Date: Sun, 6 Sep 2026 19:29:41 -0500
Subject: [Tigers] Car Cover Thoughts?
Message-ID: <05c901dd3e5f$f9f74510$ede5cf30$@tx.rr.com>

We need to replace our decades old car cover for our Tiger. Does anyone have
any suggestions on good or bad options? It's normally stored in the garage,
but occasionally sleeps in the driveway when other projects require extended
space inside. As we're in Texas, sun and rain protection are both required. 

 

Thanks in advanced, 

Chuck and Terrilee Schober 

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From coolvt at aol.com  Tue Sep  8 08:52:56 2026
From: coolvt at aol.com (Mark L)
Date: Tue, 8 Sep 2026 14:52:56 +0000 (UTC)
Subject: [Tigers] Coolant queston
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
Message-ID: <1897607775.1075104.1788879176223@mail.yahoo.com>

I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full.? Is the addition of an overflow worth installing?? It appears this would add an additional? 1 quart to the system.? ?How much difference would this make on cooling?
Thanks,?Mark L
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From winbladgary at gmail.com  Tue Sep  8 15:17:57 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Tue, 8 Sep 2026 14:17:57 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <1897607775.1075104.1788879176223@mail.yahoo.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
Message-ID: <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>

Mark,
IT is worth adding.  Cost and trouble are minimal. You can buy a kit at the
auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
Hard to say exactly how much cooling capacity it really adds..  it DOES
keep the radiator full to the top, the extra quart doesn't matter.
I put the tank in the wheel well behind the headlight, out of sight, out of
the way.
A very important reason to add is that it stops the leak of antifreeze,
which is toxic to small animals.  When we were in Big Sky for SUNI, we
stopped
into a small museum.  I will never forget the huge stuffed Condor on
display.  The placard said he died from driniking anitfreeze from an
overheated car... so sad, he was beautiful rare bird.  Please install the
system..
Gary Winblad

On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
wrote:

> I know some have added an overflow to the expansion tank. This seemingly
> allow the expansion tank to be filled to the top rather than only 1/2
> full.  Is the addition of an overflow worth installing?  It appears this
> would add an additional  1 quart to the system.   How much difference would
> this make on cooling?
> Thanks,
>  Mark L
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>
>
>
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From coolvt at aol.com  Tue Sep  8 15:20:47 2026
From: coolvt at aol.com (Mark L)
Date: Tue, 8 Sep 2026 21:20:47 +0000 (UTC)
Subject: [Tigers] Coolant queston
In-Reply-To: <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
Message-ID: <2144186800.1181976.1788902447268@mail.yahoo.com>

So, the plastic kit you mentioned will stand up to the heat of the engine compartment okay?

In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time, winbladgary at gmail.com writes:?
Mark,IT is worth adding.? Cost and trouble are minimal. You can buy a kit at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.Hard to say exactly how much cooling capacity it really adds..? it DOES keep the radiator full to the top, the extra quart doesn't matter.I put the tank in the wheel well behind the headlight,?out of sight, out of the way.A very important reason to add is that it stops the leak of antifreeze, which is toxic to small animals.? When we were in Big Sky for SUNI, we stoppedinto a small museum.? I will never forget the huge stuffed Condor on display.? The placard said he died from driniking?anitfreeze?from anoverheated car... so sad, he was beautiful rare bird.? Please install the system..Gary Winblad
On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net> wrote:
I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full.? Is the addition of an overflow worth installing?? It appears this would add an additional? 1 quart to the system.? ?How much difference would this make on cooling?
Thanks,?Mark L_______________________________________________

tigers at autox.team.net

Donate: http://www.team.net/donate.html
Archive: http://www.team.net/pipermail/tigers http://autox.team.net/archive

Unsubscribe: http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com




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From jbbrown1980 at gmail.com  Tue Sep  8 16:21:31 2026
From: jbbrown1980 at gmail.com (Joe Brown)
Date: Tue, 8 Sep 2026 17:21:31 -0500
Subject: [Tigers] Coolant queston
In-Reply-To: <2144186800.1181976.1788902447268@mail.yahoo.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
Message-ID: <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>

Hey,
I added an overflow tank several years ago and I went with one I found on
Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and it's
around $25.
[image: image.png]

I wasn't using the remote oil filter, so I mounted this tank in the filter
bracket.  This tank is slimmer than an oil  filter so I had to fabricate a
new clamp to secure it.  Here is a photo.
[image: PXL_20260908_220938306.jpg]


Have Fun,
Joe Brown


On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
wrote:

> So, the plastic kit you mentioned will stand up to the heat of the engine
> compartment okay?
>
> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
> winbladgary at gmail.com writes:
>
>
> Mark,
> IT is worth adding.  Cost and trouble are minimal. You can buy a kit at
> the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
> Hard to say exactly how much cooling capacity it really adds..  it DOES
> keep the radiator full to the top, the extra quart doesn't matter.
> I put the tank in the wheel well behind the headlight, out of sight, out
> of the way.
> A very important reason to add is that it stops the leak of antifreeze,
> which is toxic to small animals.  When we were in Big Sky for SUNI, we
> stopped
> into a small museum.  I will never forget the huge stuffed Condor on
> display.  The placard said he died from driniking anitfreeze from an
> overheated car... so sad, he was beautiful rare bird.  Please install the
> system..
> Gary Winblad
>
> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
> wrote:
>
> I know some have added an overflow to the expansion tank. This seemingly
> allow the expansion tank to be filled to the top rather than only 1/2
> full.  Is the addition of an overflow worth installing?  It appears this
> would add an additional  1 quart to the system.   How much difference would
> this make on cooling?
> Thanks,
>  Mark L
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>
>
>
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From winbladgary at gmail.com  Tue Sep  8 16:46:15 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Tue, 8 Sep 2026 15:46:15 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <2144186800.1181976.1788902447268@mail.yahoo.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
Message-ID: <CADoP9Fchx8whMcYz+J4NYm=cWPzejMer67YnGBb4QQzQtdidZQ@mail.gmail.com>

It has been standing up since 1992.  Though it technically isn't in the
engine compartment.. out under the fender along with the oil filter.
Been this way since then including trips to Wisconsin (SUNI), San Diego,
etc.

They used to have two different kits, I bought the large one, though I
should have bought the small one, mine is much bigger than needed.
Gary Winblad
El Dorado Hills, CA

On Tue, Sep 8, 2026 at 2:20?PM Mark L <coolvt at aol.com> wrote:

> So, the plastic kit you mentioned will stand up to the heat of the engine
> compartment okay?
>
> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
> winbladgary at gmail.com writes:
>
>
> Mark,
> IT is worth adding.  Cost and trouble are minimal. You can buy a kit at
> the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
> Hard to say exactly how much cooling capacity it really adds..  it DOES
> keep the radiator full to the top, the extra quart doesn't matter.
> I put the tank in the wheel well behind the headlight, out of sight, out
> of the way.
> A very important reason to add is that it stops the leak of antifreeze,
> which is toxic to small animals.  When we were in Big Sky for SUNI, we
> stopped
> into a small museum.  I will never forget the huge stuffed Condor on
> display.  The placard said he died from driniking anitfreeze from an
> overheated car... so sad, he was beautiful rare bird.  Please install the
> system..
> Gary Winblad
>
> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
> wrote:
>
> I know some have added an overflow to the expansion tank. This seemingly
> allow the expansion tank to be filled to the top rather than only 1/2
> full.  Is the addition of an overflow worth installing?  It appears this
> would add an additional  1 quart to the system.   How much difference would
> this make on cooling?
> Thanks,
>  Mark L
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>
>
>
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From winbladgary at gmail.com  Tue Sep  8 16:50:17 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Tue, 8 Sep 2026 15:50:17 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
Message-ID: <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>

Joe,
Hopefully you also added the double seal cap?  You need that to make it a
recovery system, not just a catch can
With recovery, the overflow is pulled back in during cool down.  That is
what makes the radiator always full to the top,
for a few more tubes of cooling.
Gary Winblad


On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:

> Hey,
> I added an overflow tank several years ago and I went with one I found on
> Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and it's
> around $25.
> [image: image.png]
>
> I wasn't using the remote oil filter, so I mounted this tank in the filter
> bracket.  This tank is slimmer than an oil  filter so I had to fabricate a
> new clamp to secure it.  Here is a photo.
> [image: PXL_20260908_220938306.jpg]
>
>
> Have Fun,
> Joe Brown
>
>
> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
> wrote:
>
>> So, the plastic kit you mentioned will stand up to the heat of the engine
>> compartment okay?
>>
>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>> winbladgary at gmail.com writes:
>>
>>
>> Mark,
>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit at
>> the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>> Hard to say exactly how much cooling capacity it really adds..  it DOES
>> keep the radiator full to the top, the extra quart doesn't matter.
>> I put the tank in the wheel well behind the headlight, out of sight, out
>> of the way.
>> A very important reason to add is that it stops the leak of antifreeze,
>> which is toxic to small animals.  When we were in Big Sky for SUNI, we
>> stopped
>> into a small museum.  I will never forget the huge stuffed Condor on
>> display.  The placard said he died from driniking anitfreeze from an
>> overheated car... so sad, he was beautiful rare bird.  Please install the
>> system..
>> Gary Winblad
>>
>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
>> wrote:
>>
>> I know some have added an overflow to the expansion tank. This seemingly
>> allow the expansion tank to be filled to the top rather than only 1/2
>> full.  Is the addition of an overflow worth installing?  It appears this
>> would add an additional  1 quart to the system.   How much difference would
>> this make on cooling?
>> Thanks,
>>  Mark L
>> _______________________________________________
>>
>> tigers at autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/tigers
>> http://autox.team.net/archive
>>
>> Unsubscribe:
>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>
>>
>> _______________________________________________
>>
>> tigers at autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/tigers
>> http://autox.team.net/archive
>>
>> Unsubscribe:
>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>
>>
>>
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From jbbrown1980 at gmail.com  Tue Sep  8 16:54:57 2026
From: jbbrown1980 at gmail.com (Joe Brown)
Date: Tue, 8 Sep 2026 17:54:57 -0500
Subject: [Tigers] Coolant queston
In-Reply-To: <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
Message-ID: <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>

I've got the regular pressure cap on the original expansion tank and my
understanding was that it would open up if the coolant was boiling over and
the excess coolant would then flow into the catch can.  And then as the
coolant cooled down it would be sucked back into the expansion tank.  Do I
need some other kind of radiator cap?

Thanks,
Joe

On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com> wrote:

> Joe,
> Hopefully you also added the double seal cap?  You need that to make it a
> recovery system, not just a catch can
> With recovery, the overflow is pulled back in during cool down.  That is
> what makes the radiator always full to the top,
> for a few more tubes of cooling.
> Gary Winblad
>
>
> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
>
>> Hey,
>> I added an overflow tank several years ago and I went with one I found on
>> Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and it's
>> around $25.
>> [image: image.png]
>>
>> I wasn't using the remote oil filter, so I mounted this tank in the
>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>> fabricate a new clamp to secure it.  Here is a photo.
>> [image: PXL_20260908_220938306.jpg]
>>
>>
>> Have Fun,
>> Joe Brown
>>
>>
>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
>> wrote:
>>
>>> So, the plastic kit you mentioned will stand up to the heat of the
>>> engine compartment okay?
>>>
>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>> winbladgary at gmail.com writes:
>>>
>>>
>>> Mark,
>>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit at
>>> the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>>> Hard to say exactly how much cooling capacity it really adds..  it DOES
>>> keep the radiator full to the top, the extra quart doesn't matter.
>>> I put the tank in the wheel well behind the headlight, out of sight, out
>>> of the way.
>>> A very important reason to add is that it stops the leak of antifreeze,
>>> which is toxic to small animals.  When we were in Big Sky for SUNI, we
>>> stopped
>>> into a small museum.  I will never forget the huge stuffed Condor on
>>> display.  The placard said he died from driniking anitfreeze from an
>>> overheated car... so sad, he was beautiful rare bird.  Please install
>>> the system..
>>> Gary Winblad
>>>
>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
>>> wrote:
>>>
>>> I know some have added an overflow to the expansion tank. This seemingly
>>> allow the expansion tank to be filled to the top rather than only 1/2
>>> full.  Is the addition of an overflow worth installing?  It appears this
>>> would add an additional  1 quart to the system.   How much difference would
>>> this make on cooling?
>>> Thanks,
>>>  Mark L
>>> _______________________________________________
>>>
>>> tigers at autox.team.net
>>>
>>> Donate: http://www.team.net/donate.html
>>> Archive: http://www.team.net/pipermail/tigers
>>> http://autox.team.net/archive
>>>
>>> Unsubscribe:
>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>
>>>
>>> _______________________________________________
>>>
>>> tigers at autox.team.net
>>>
>>> Donate: http://www.team.net/donate.html
>>> Archive: http://www.team.net/pipermail/tigers
>>> http://autox.team.net/archive
>>>
>>> Unsubscribe:
>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>
>>>
>>>
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From winbladgary at gmail.com  Tue Sep  8 17:03:17 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Tue, 8 Sep 2026 16:03:17 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
Message-ID: <CADoP9Fdex9o0rziHYA3irWdxXnRe3jbVBxNHzZQUAZwJYSw1CQ@mail.gmail.com>

Joe,
Google  Recovery Radiator Caps
With regular Tiger cap, you have a catch can system, it won't leak on the
ground but it won't pull it back into the radiator.

Open your cap (not the catch can cap) and see if the level is at the very
top. If it is, you are ok. If I open mine it tends to
spill a little.  If you have a clear tube, you can see it is full too.
Gary Winblad


On Tue, Sep 8, 2026 at 3:55?PM Joe Brown <jbbrown1980 at gmail.com> wrote:

> I've got the regular pressure cap on the original expansion tank and my
> understanding was that it would open up if the coolant was boiling over and
> the excess coolant would then flow into the catch can.  And then as the
> coolant cooled down it would be sucked back into the expansion tank.  Do I
> need some other kind of radiator cap?
>
> Thanks,
> Joe
>
> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com> wrote:
>
>> Joe,
>> Hopefully you also added the double seal cap?  You need that to make it a
>> recovery system, not just a catch can
>> With recovery, the overflow is pulled back in during cool down.  That is
>> what makes the radiator always full to the top,
>> for a few more tubes of cooling.
>> Gary Winblad
>>
>>
>> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
>>
>>> Hey,
>>> I added an overflow tank several years ago and I went with one I found
>>> on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and
>>> it's around $25.
>>> [image: image.png]
>>>
>>> I wasn't using the remote oil filter, so I mounted this tank in the
>>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>>> fabricate a new clamp to secure it.  Here is a photo.
>>> [image: PXL_20260908_220938306.jpg]
>>>
>>>
>>> Have Fun,
>>> Joe Brown
>>>
>>>
>>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
>>> wrote:
>>>
>>>> So, the plastic kit you mentioned will stand up to the heat of the
>>>> engine compartment okay?
>>>>
>>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>>> winbladgary at gmail.com writes:
>>>>
>>>>
>>>> Mark,
>>>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit at
>>>> the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>>>> Hard to say exactly how much cooling capacity it really adds..  it DOES
>>>> keep the radiator full to the top, the extra quart doesn't matter.
>>>> I put the tank in the wheel well behind the headlight, out of sight,
>>>> out of the way.
>>>> A very important reason to add is that it stops the leak of antifreeze,
>>>> which is toxic to small animals.  When we were in Big Sky for SUNI, we
>>>> stopped
>>>> into a small museum.  I will never forget the huge stuffed Condor on
>>>> display.  The placard said he died from driniking anitfreeze from an
>>>> overheated car... so sad, he was beautiful rare bird.  Please install
>>>> the system..
>>>> Gary Winblad
>>>>
>>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
>>>> wrote:
>>>>
>>>> I know some have added an overflow to the expansion tank. This
>>>> seemingly allow the expansion tank to be filled to the top rather than only
>>>> 1/2 full.  Is the addition of an overflow worth installing?  It appears
>>>> this would add an additional  1 quart to the system.   How much difference
>>>> would this make on cooling?
>>>> Thanks,
>>>>  Mark L
>>>> _______________________________________________
>>>>
>>>> tigers at autox.team.net
>>>>
>>>> Donate: http://www.team.net/donate.html
>>>> Archive: http://www.team.net/pipermail/tigers
>>>> http://autox.team.net/archive
>>>>
>>>> Unsubscribe:
>>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>>
>>>>
>>>> _______________________________________________
>>>>
>>>> tigers at autox.team.net
>>>>
>>>> Donate: http://www.team.net/donate.html
>>>> Archive: http://www.team.net/pipermail/tigers
>>>> http://autox.team.net/archive
>>>>
>>>> Unsubscribe:
>>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>>
>>>>
>>>>
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From michael.s.king at gmail.com  Wed Sep  9 06:00:24 2026
From: michael.s.king at gmail.com (michael king)
Date: Wed, 9 Sep 2026 20:00:24 +0800
Subject: [Tigers] Coolant queston
In-Reply-To: <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
Message-ID: <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>

Joe.

You describe how the system works..but without a specific recovery cap the
water cant get back into the header tank once its out.. it just becomes a
catch overflow

Regards

Michael King

On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:

> I've got the regular pressure cap on the original expansion tank and my
> understanding was that it would open up if the coolant was boiling over and
> the excess coolant would then flow into the catch can.  And then as the
> coolant cooled down it would be sucked back into the expansion tank.  Do I
> need some other kind of radiator cap?
>
> Thanks,
> Joe
>
> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com> wrote:
>
>> Joe,
>> Hopefully you also added the double seal cap?  You need that to make it a
>> recovery system, not just a catch can
>> With recovery, the overflow is pulled back in during cool down.  That is
>> what makes the radiator always full to the top,
>> for a few more tubes of cooling.
>> Gary Winblad
>>
>>
>> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
>>
>>> Hey,
>>> I added an overflow tank several years ago and I went with one I found
>>> on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and
>>> it's around $25.
>>> [image: image.png]
>>>
>>> I wasn't using the remote oil filter, so I mounted this tank in the
>>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>>> fabricate a new clamp to secure it.  Here is a photo.
>>> [image: PXL_20260908_220938306.jpg]
>>>
>>>
>>> Have Fun,
>>> Joe Brown
>>>
>>>
>>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
>>> wrote:
>>>
>>>> So, the plastic kit you mentioned will stand up to the heat of the
>>>> engine compartment okay?
>>>>
>>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>>> winbladgary at gmail.com writes:
>>>>
>>>>
>>>> Mark,
>>>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit at
>>>> the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>>>> Hard to say exactly how much cooling capacity it really adds..  it DOES
>>>> keep the radiator full to the top, the extra quart doesn't matter.
>>>> I put the tank in the wheel well behind the headlight, out of sight,
>>>> out of the way.
>>>> A very important reason to add is that it stops the leak of antifreeze,
>>>> which is toxic to small animals.  When we were in Big Sky for SUNI, we
>>>> stopped
>>>> into a small museum.  I will never forget the huge stuffed Condor on
>>>> display.  The placard said he died from driniking anitfreeze from an
>>>> overheated car... so sad, he was beautiful rare bird.  Please install
>>>> the system..
>>>> Gary Winblad
>>>>
>>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
>>>> wrote:
>>>>
>>>> I know some have added an overflow to the expansion tank. This
>>>> seemingly allow the expansion tank to be filled to the top rather than only
>>>> 1/2 full.  Is the addition of an overflow worth installing?  It appears
>>>> this would add an additional  1 quart to the system.   How much difference
>>>> would this make on cooling?
>>>> Thanks,
>>>>  Mark L
>>>> _______________________________________________
>>>>
>>>> tigers at autox.team.net
>>>>
>>>> Donate: http://www.team.net/donate.html
>>>> Archive: http://www.team.net/pipermail/tigers
>>>> http://autox.team.net/archive
>>>>
>>>> Unsubscribe:
>>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>>
>>>>
>>>> _______________________________________________
>>>>
>>>> tigers at autox.team.net
>>>>
>>>> Donate: http://www.team.net/donate.html
>>>> Archive: http://www.team.net/pipermail/tigers
>>>> http://autox.team.net/archive
>>>>
>>>> Unsubscribe:
>>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>>
>>>>
>>>> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/michael.s.king at gmail.com
>
>
>
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From jbbrown1980 at gmail.com  Wed Sep  9 07:53:58 2026
From: jbbrown1980 at gmail.com (Joe Brown)
Date: Wed, 9 Sep 2026 08:53:58 -0500
Subject: [Tigers] Coolant queston
In-Reply-To: <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
Message-ID: <CAKb_wfnS92CGLW7Gk9At5N_iZHfvNj3_SYkWw_UyZkbYuDGTcA@mail.gmail.com>

Thanks for the info.

Joe

On Wed, Sep 9, 2026, 7:00?AM michael king <michael.s.king at gmail.com> wrote:

> Joe.
>
> You describe how the system works..but without a specific recovery cap the
> water cant get back into the header tank once its out.. it just becomes a
> catch overflow
>
> Regards
>
> Michael King
>
> On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
>
>> I've got the regular pressure cap on the original expansion tank and my
>> understanding was that it would open up if the coolant was boiling over and
>> the excess coolant would then flow into the catch can.  And then as the
>> coolant cooled down it would be sucked back into the expansion tank.  Do I
>> need some other kind of radiator cap?
>>
>> Thanks,
>> Joe
>>
>> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com>
>> wrote:
>>
>>> Joe,
>>> Hopefully you also added the double seal cap?  You need that to make it
>>> a recovery system, not just a catch can
>>> With recovery, the overflow is pulled back in during cool down.  That is
>>> what makes the radiator always full to the top,
>>> for a few more tubes of cooling.
>>> Gary Winblad
>>>
>>>
>>> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
>>>
>>>> Hey,
>>>> I added an overflow tank several years ago and I went with one I found
>>>> on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and
>>>> it's around $25.
>>>> [image: image.png]
>>>>
>>>> I wasn't using the remote oil filter, so I mounted this tank in the
>>>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>>>> fabricate a new clamp to secure it.  Here is a photo.
>>>> [image: PXL_20260908_220938306.jpg]
>>>>
>>>>
>>>> Have Fun,
>>>> Joe Brown
>>>>
>>>>
>>>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
>>>> wrote:
>>>>
>>>>> So, the plastic kit you mentioned will stand up to the heat of the
>>>>> engine compartment okay?
>>>>>
>>>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>>>> winbladgary at gmail.com writes:
>>>>>
>>>>>
>>>>> Mark,
>>>>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit
>>>>> at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>>>>> Hard to say exactly how much cooling capacity it really adds..  it
>>>>> DOES keep the radiator full to the top, the extra quart doesn't matter.
>>>>> I put the tank in the wheel well behind the headlight, out of sight,
>>>>> out of the way.
>>>>> A very important reason to add is that it stops the leak of
>>>>> antifreeze, which is toxic to small animals.  When we were in Big Sky for
>>>>> SUNI, we stopped
>>>>> into a small museum.  I will never forget the huge stuffed Condor on
>>>>> display.  The placard said he died from driniking anitfreeze from an
>>>>> overheated car... so sad, he was beautiful rare bird.  Please install
>>>>> the system..
>>>>> Gary Winblad
>>>>>
>>>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <
>>>>> tigers at autox.team.net> wrote:
>>>>>
>>>>> I know some have added an overflow to the expansion tank. This
>>>>> seemingly allow the expansion tank to be filled to the top rather than only
>>>>> 1/2 full.  Is the addition of an overflow worth installing?  It appears
>>>>> this would add an additional  1 quart to the system.   How much difference
>>>>> would this make on cooling?
>>>>> Thanks,
>>>>>  Mark L
>>>>> _______________________________________________
>>>>>
>>>>> tigers at autox.team.net
>>>>>
>>>>> Donate: http://www.team.net/donate.html
>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>> http://autox.team.net/archive
>>>>>
>>>>> Unsubscribe:
>>>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>>
>>>>> tigers at autox.team.net
>>>>>
>>>>> Donate: http://www.team.net/donate.html
>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>> http://autox.team.net/archive
>>>>>
>>>>> Unsubscribe:
>>>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>
>> tigers at autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/tigers
>> http://autox.team.net/archive
>>
>> Unsubscribe:
>> http://autox.team.net/mailman/options/tigers/michael.s.king at gmail.com
>>
>>
>>
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From jbbrown1980 at gmail.com  Wed Sep  9 10:13:13 2026
From: jbbrown1980 at gmail.com (Joe Brown)
Date: Wed, 9 Sep 2026 11:13:13 -0500
Subject: [Tigers] Coolant queston
In-Reply-To: <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
Message-ID: <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>

I went back and looked at my cap.  Everything I've read says that the
recovery style caps have two seals; one at the top of the cap and one on
the spring loaded part.  Here is a photo of my cap.  Can I assume that I
have a recovery style cap?
[image: PXL_20260909_160805998.jpg]

Thanks,
Joe

On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com>
wrote:

> Joe.
>
> You describe how the system works..but without a specific recovery cap the
> water cant get back into the header tank once its out.. it just becomes a
> catch overflow
>
> Regards
>
> Michael King
>
> On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
>
>> I've got the regular pressure cap on the original expansion tank and my
>> understanding was that it would open up if the coolant was boiling over and
>> the excess coolant would then flow into the catch can.  And then as the
>> coolant cooled down it would be sucked back into the expansion tank.  Do I
>> need some other kind of radiator cap?
>>
>> Thanks,
>> Joe
>>
>> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com>
>> wrote:
>>
>>> Joe,
>>> Hopefully you also added the double seal cap?  You need that to make it
>>> a recovery system, not just a catch can
>>> With recovery, the overflow is pulled back in during cool down.  That is
>>> what makes the radiator always full to the top,
>>> for a few more tubes of cooling.
>>> Gary Winblad
>>>
>>>
>>> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
>>>
>>>> Hey,
>>>> I added an overflow tank several years ago and I went with one I found
>>>> on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and
>>>> it's around $25.
>>>> [image: image.png]
>>>>
>>>> I wasn't using the remote oil filter, so I mounted this tank in the
>>>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>>>> fabricate a new clamp to secure it.  Here is a photo.
>>>> [image: PXL_20260908_220938306.jpg]
>>>>
>>>>
>>>> Have Fun,
>>>> Joe Brown
>>>>
>>>>
>>>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
>>>> wrote:
>>>>
>>>>> So, the plastic kit you mentioned will stand up to the heat of the
>>>>> engine compartment okay?
>>>>>
>>>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>>>> winbladgary at gmail.com writes:
>>>>>
>>>>>
>>>>> Mark,
>>>>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit
>>>>> at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>>>>> Hard to say exactly how much cooling capacity it really adds..  it
>>>>> DOES keep the radiator full to the top, the extra quart doesn't matter.
>>>>> I put the tank in the wheel well behind the headlight, out of sight,
>>>>> out of the way.
>>>>> A very important reason to add is that it stops the leak of
>>>>> antifreeze, which is toxic to small animals.  When we were in Big Sky for
>>>>> SUNI, we stopped
>>>>> into a small museum.  I will never forget the huge stuffed Condor on
>>>>> display.  The placard said he died from driniking anitfreeze from an
>>>>> overheated car... so sad, he was beautiful rare bird.  Please install
>>>>> the system..
>>>>> Gary Winblad
>>>>>
>>>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <
>>>>> tigers at autox.team.net> wrote:
>>>>>
>>>>> I know some have added an overflow to the expansion tank. This
>>>>> seemingly allow the expansion tank to be filled to the top rather than only
>>>>> 1/2 full.  Is the addition of an overflow worth installing?  It appears
>>>>> this would add an additional  1 quart to the system.   How much difference
>>>>> would this make on cooling?
>>>>> Thanks,
>>>>>  Mark L
>>>>> _______________________________________________
>>>>>
>>>>> tigers at autox.team.net
>>>>>
>>>>> Donate: http://www.team.net/donate.html
>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>> http://autox.team.net/archive
>>>>>
>>>>> Unsubscribe:
>>>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>>
>>>>> tigers at autox.team.net
>>>>>
>>>>> Donate: http://www.team.net/donate.html
>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>> http://autox.team.net/archive
>>>>>
>>>>> Unsubscribe:
>>>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>
>> tigers at autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/tigers
>> http://autox.team.net/archive
>>
>> Unsubscribe:
>> http://autox.team.net/mailman/options/tigers/michael.s.king at gmail.com
>>
>>
>>
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From winbladgary at gmail.com  Wed Sep  9 11:35:33 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Wed, 9 Sep 2026 10:35:33 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
Message-ID: <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>

Yes, I think it is a recovery type!
How high is the coolant in the TIger tank?  If it is full, you are good
Gary Winblad


On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com> wrote:

> I went back and looked at my cap.  Everything I've read says that the
> recovery style caps have two seals; one at the top of the cap and one on
> the spring loaded part.  Here is a photo of my cap.  Can I assume that I
> have a recovery style cap?
> [image: PXL_20260909_160805998.jpg]
>
> Thanks,
> Joe
>
> On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com>
> wrote:
>
>> Joe.
>>
>> You describe how the system works..but without a specific recovery cap
>> the water cant get back into the header tank once its out.. it just becomes
>> a catch overflow
>>
>> Regards
>>
>> Michael King
>>
>> On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
>>
>>> I've got the regular pressure cap on the original expansion tank and my
>>> understanding was that it would open up if the coolant was boiling over and
>>> the excess coolant would then flow into the catch can.  And then as the
>>> coolant cooled down it would be sucked back into the expansion tank.  Do I
>>> need some other kind of radiator cap?
>>>
>>> Thanks,
>>> Joe
>>>
>>> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com>
>>> wrote:
>>>
>>>> Joe,
>>>> Hopefully you also added the double seal cap?  You need that to make it
>>>> a recovery system, not just a catch can
>>>> With recovery, the overflow is pulled back in during cool down.  That
>>>> is what makes the radiator always full to the top,
>>>> for a few more tubes of cooling.
>>>> Gary Winblad
>>>>
>>>>
>>>> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
>>>>
>>>>> Hey,
>>>>> I added an overflow tank several years ago and I went with one I found
>>>>> on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and
>>>>> it's around $25.
>>>>> [image: image.png]
>>>>>
>>>>> I wasn't using the remote oil filter, so I mounted this tank in the
>>>>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>>>>> fabricate a new clamp to secure it.  Here is a photo.
>>>>> [image: PXL_20260908_220938306.jpg]
>>>>>
>>>>>
>>>>> Have Fun,
>>>>> Joe Brown
>>>>>
>>>>>
>>>>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <
>>>>> tigers at autox.team.net> wrote:
>>>>>
>>>>>> So, the plastic kit you mentioned will stand up to the heat of the
>>>>>> engine compartment okay?
>>>>>>
>>>>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>>>>> winbladgary at gmail.com writes:
>>>>>>
>>>>>>
>>>>>> Mark,
>>>>>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit
>>>>>> at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>>>>>> Hard to say exactly how much cooling capacity it really adds..  it
>>>>>> DOES keep the radiator full to the top, the extra quart doesn't matter.
>>>>>> I put the tank in the wheel well behind the headlight, out of sight,
>>>>>> out of the way.
>>>>>> A very important reason to add is that it stops the leak of
>>>>>> antifreeze, which is toxic to small animals.  When we were in Big Sky for
>>>>>> SUNI, we stopped
>>>>>> into a small museum.  I will never forget the huge stuffed Condor on
>>>>>> display.  The placard said he died from driniking anitfreeze from an
>>>>>> overheated car... so sad, he was beautiful rare bird.  Please install
>>>>>> the system..
>>>>>> Gary Winblad
>>>>>>
>>>>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <
>>>>>> tigers at autox.team.net> wrote:
>>>>>>
>>>>>> I know some have added an overflow to the expansion tank. This
>>>>>> seemingly allow the expansion tank to be filled to the top rather than only
>>>>>> 1/2 full.  Is the addition of an overflow worth installing?  It appears
>>>>>> this would add an additional  1 quart to the system.   How much difference
>>>>>> would this make on cooling?
>>>>>> Thanks,
>>>>>>  Mark L
>>>>>> _______________________________________________
>>>>>>
>>>>>> tigers at autox.team.net
>>>>>>
>>>>>> Donate: http://www.team.net/donate.html
>>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>>> http://autox.team.net/archive
>>>>>>
>>>>>> Unsubscribe:
>>>>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>>
>>>>>> tigers at autox.team.net
>>>>>>
>>>>>> Donate: http://www.team.net/donate.html
>>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>>> http://autox.team.net/archive
>>>>>>
>>>>>> Unsubscribe:
>>>>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>
>>> tigers at autox.team.net
>>>
>>> Donate: http://www.team.net/donate.html
>>> Archive: http://www.team.net/pipermail/tigers
>>> http://autox.team.net/archive
>>>
>>> Unsubscribe:
>>> http://autox.team.net/mailman/options/tigers/michael.s.king at gmail.com
>>>
>>>
>>>
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From jbbrown1980 at gmail.com  Wed Sep  9 12:20:37 2026
From: jbbrown1980 at gmail.com (Joe Brown)
Date: Wed, 9 Sep 2026 13:20:37 -0500
Subject: [Tigers] Coolant queston
In-Reply-To: <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
Message-ID: <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>

When I first got the car running I didn't know how much coolant to have in
the expansion tank so I started out with it filled up.  It boiled over
pretty quickly so I kept experimenting with it until I found a level that
didn't puke; maybe about a quarter full.  I added the overflow tank later
just in case.  I suppose I could fill the expansion tank back but I haven't
bothered.

I tried using a 13psi cap but it blew a radiator hose off, so I went back
to a 9psi cap. I also read that the higher pressure could be hard on the
heater core. I also installed an electric fan that comes on at 190 degrees
and I haven't had any other issues.

Thanks,
Joe

On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com> wrote:

> Yes, I think it is a recovery type!
> How high is the coolant in the TIger tank?  If it is full, you are good
> Gary Winblad
>
>
> On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com> wrote:
>
>> I went back and looked at my cap.  Everything I've read says that the
>> recovery style caps have two seals; one at the top of the cap and one on
>> the spring loaded part.  Here is a photo of my cap.  Can I assume that I
>> have a recovery style cap?
>> [image: PXL_20260909_160805998.jpg]
>>
>> Thanks,
>> Joe
>>
>> On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com>
>> wrote:
>>
>>> Joe.
>>>
>>> You describe how the system works..but without a specific recovery cap
>>> the water cant get back into the header tank once its out.. it just becomes
>>> a catch overflow
>>>
>>> Regards
>>>
>>> Michael King
>>>
>>> On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
>>>
>>>> I've got the regular pressure cap on the original expansion tank and my
>>>> understanding was that it would open up if the coolant was boiling over and
>>>> the excess coolant would then flow into the catch can.  And then as the
>>>> coolant cooled down it would be sucked back into the expansion tank.  Do I
>>>> need some other kind of radiator cap?
>>>>
>>>> Thanks,
>>>> Joe
>>>>
>>>> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com>
>>>> wrote:
>>>>
>>>>> Joe,
>>>>> Hopefully you also added the double seal cap?  You need that to make
>>>>> it a recovery system, not just a catch can
>>>>> With recovery, the overflow is pulled back in during cool down.  That
>>>>> is what makes the radiator always full to the top,
>>>>> for a few more tubes of cooling.
>>>>> Gary Winblad
>>>>>
>>>>>
>>>>> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hey,
>>>>>> I added an overflow tank several years ago and I went with one I
>>>>>> found on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK
>>>>>> and it's around $25.
>>>>>> [image: image.png]
>>>>>>
>>>>>> I wasn't using the remote oil filter, so I mounted this tank in the
>>>>>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>>>>>> fabricate a new clamp to secure it.  Here is a photo.
>>>>>> [image: PXL_20260908_220938306.jpg]
>>>>>>
>>>>>>
>>>>>> Have Fun,
>>>>>> Joe Brown
>>>>>>
>>>>>>
>>>>>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <
>>>>>> tigers at autox.team.net> wrote:
>>>>>>
>>>>>>> So, the plastic kit you mentioned will stand up to the heat of the
>>>>>>> engine compartment okay?
>>>>>>>
>>>>>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>>>>>> winbladgary at gmail.com writes:
>>>>>>>
>>>>>>>
>>>>>>> Mark,
>>>>>>> IT is worth adding.  Cost and trouble are minimal. You can buy a kit
>>>>>>> at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
>>>>>>> Hard to say exactly how much cooling capacity it really adds..  it
>>>>>>> DOES keep the radiator full to the top, the extra quart doesn't matter.
>>>>>>> I put the tank in the wheel well behind the headlight, out of sight,
>>>>>>> out of the way.
>>>>>>> A very important reason to add is that it stops the leak of
>>>>>>> antifreeze, which is toxic to small animals.  When we were in Big Sky for
>>>>>>> SUNI, we stopped
>>>>>>> into a small museum.  I will never forget the huge stuffed Condor on
>>>>>>> display.  The placard said he died from driniking anitfreeze from an
>>>>>>> overheated car... so sad, he was beautiful rare bird.  Please
>>>>>>> install the system..
>>>>>>> Gary Winblad
>>>>>>>
>>>>>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <
>>>>>>> tigers at autox.team.net> wrote:
>>>>>>>
>>>>>>> I know some have added an overflow to the expansion tank. This
>>>>>>> seemingly allow the expansion tank to be filled to the top rather than only
>>>>>>> 1/2 full.  Is the addition of an overflow worth installing?  It appears
>>>>>>> this would add an additional  1 quart to the system.   How much difference
>>>>>>> would this make on cooling?
>>>>>>> Thanks,
>>>>>>>  Mark L
>>>>>>> _______________________________________________
>>>>>>>
>>>>>>> tigers at autox.team.net
>>>>>>>
>>>>>>> Donate: http://www.team.net/donate.html
>>>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>>>> http://autox.team.net/archive
>>>>>>>
>>>>>>> Unsubscribe:
>>>>>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>>
>>>>>>> tigers at autox.team.net
>>>>>>>
>>>>>>> Donate: http://www.team.net/donate.html
>>>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>>>> http://autox.team.net/archive
>>>>>>>
>>>>>>> Unsubscribe:
>>>>>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>
>>>> tigers at autox.team.net
>>>>
>>>> Donate: http://www.team.net/donate.html
>>>> Archive: http://www.team.net/pipermail/tigers
>>>> http://autox.team.net/archive
>>>>
>>>> Unsubscribe:
>>>> http://autox.team.net/mailman/options/tigers/michael.s.king at gmail.com
>>>>
>>>>
>>>>
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From coolvt at aol.com  Wed Sep  9 14:21:27 2026
From: coolvt at aol.com (Mark L)
Date: Wed, 9 Sep 2026 20:21:27 +0000 (UTC)
Subject: [Tigers] Coolant queston
In-Reply-To: <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
Message-ID: <113849179.1396457.1788985287545@mail.yahoo.com>

My experience has been that the electric fan in addition to the mechanical fan does a good job in keeping the temp in check. But, if the engine does overheat, turning on the electric fan doesn't do much in? getting the temp back down.

In a message dated 9/9/2026 3:35:38 PM Eastern Daylight Time, jbbrown1980 at gmail.com writes:?
When I first got the car running I didn't know how much coolant to have in the expansion?tank so I started out with it filled up.? It boiled over pretty quickly so I kept experimenting with it until I found a level that didn't puke; maybe about a quarter full.? I added the overflow tank later just?in case.? I suppose I could fill the expansion tank back but I haven't bothered.??I tried using a 13psi cap but it blew a radiator hose off, so I went back to a 9psi cap. I also read that the higher pressure could be hard on the heater core. I also installed an electric fan that comes on at 190 degrees and I haven't had any other issues.?Thanks,?Joe?
On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com> wrote:
Yes, I think it is a recovery type!How high is the coolant in the TIger tank?? If it is full, you are goodGary Winblad?
On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com> wrote:
I went back and looked at my cap.? Everything I've read says that the recovery style caps have two seals; one at the top of the cap and one on the spring loaded part.? Here is a photo of my cap.? Can I assume that I have a recovery style cap??Thanks,Joe
On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com> wrote:
Joe.???You describe how the system works..but without a specific recovery cap the water cant get back into the header tank once its out.. it just becomes a catch overflow??Regards

Michael King
On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
I've got the regular pressure cap on the original expansion tank and my understanding was that it would open up if the coolant was boiling over and the excess coolant would then flow into the catch can.? And then as the coolant cooled down it would be sucked back into the expansion tank.? Do I need some other kind of radiator cap??Thanks,Joe
On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com> wrote:
Joe,Hopefully you also added the double seal cap?? You need that to make it a recovery system, not just a catch canWith recovery, the overflow is pulled back in during cool down.? That is what makes the radiator always full to the top,for a few more tubes of cooling.Gary Winblad?
On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
Hey,I added an overflow tank several years ago and I went with one I found on Amazon.? It's called an 800ml aluminum expansion tank from BDFHYK and it's around $25.???I wasn't using the remote oil filter, so I mounted this tank in the filter bracket.? This tank is slimmer than an oil? filter so I had to fabricate a new clamp to secure it.? Here is a photo.??Have Fun,Joe Brown?
On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net> wrote:
So, the plastic kit you mentioned will stand up to the heat of the engine compartment okay?

In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time, winbladgary at gmail.com writes:?
Mark,IT is worth adding.? Cost and trouble are minimal. You can buy a kit at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.Hard to say exactly how much cooling capacity it really adds..? it DOES keep the radiator full to the top, the extra quart doesn't matter.I put the tank in the wheel well behind the headlight,?out of sight, out of the way.A very important reason to add is that it stops the leak of antifreeze, which is toxic to small animals.? When we were in Big Sky for SUNI, we stoppedinto a small museum.? I will never forget the huge stuffed Condor on display.? The placard said he died from driniking?anitfreeze?from anoverheated car... so sad, he was beautiful rare bird.? Please install the system..Gary Winblad
On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net> wrote:
I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full.? Is the addition of an overflow worth installing?? It appears this would add an additional? 1 quart to the system.? ?How much difference would this make on cooling?
Thanks,?Mark L_______________________________________________

tigers at autox.team.net

Donate: http://www.team.net/donate.html
Archive: http://www.team.net/pipermail/tigers http://autox.team.net/archive

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_______________________________________________

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_______________________________________________

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_______________________________________________

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From winbladgary at gmail.com  Wed Sep  9 14:26:06 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Wed, 9 Sep 2026 13:26:06 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
Message-ID: <CADoP9Fc0p0L_f_zVknWVnE_nbsP6oa60vup3OScSjOysjNzoRw@mail.gmail.com>

Joe,
Yes, the stock system is faulty.  It will blow off coolant down to a low
level in the stock tank.  If you look, that level is not as high as the top
of the radiator, therefore, the top rows of the core don't have fluid, so
no cooling from them!  Shelby put that tank too low, on his Cobras
it is higher up above the radiator... thanks 'ol Shel... Some guys have
success locating it up by the firewall, where they remove the brake
servo. (not recommended)

Adding a recovery tank with the recovery cap will allow the stock tank to
stay at the top.  When the coolant gets hot, it expands which will
just go on the ground with the stock system but now into your recovery
tank.  When it cools, it gets drawn back into the stock tank like it
has a straw and it is sucking it back up.  The port in the expansion tank
needs to be at the bottom so it will always suck liquid.

I would fill your stock tank to the top when cool.  Put just a little in
your expansion tank.  Now drive it to get it real hot. If nothng comes out
of the expansion tank (it should have its own overflow tube at its top),
you are good.  Now after it all cools down, open your cap.. the stock
tank should be full and you should always keep a little at the bottom of
the expansion tank.  A transparent tank like a modern car lets you
see that, your trick aluminum tank doesn't so you need to take its cap off
and look inside.  The expansion tank is not sealed to the atmosphere
so coolant will evaporate over time and you need to add  some to that
tank.  Mine is up under the fender, kind of a pain to add, I use a left
over wine bottle, its skinny neck works great.
Gary Winblad


Gary Winblad

On Wed, Sep 9, 2026 at 11:20?AM Joe Brown <jbbrown1980 at gmail.com> wrote:

> When I first got the car running I didn't know how much coolant to have in
> the expansion tank so I started out with it filled up.  It boiled over
> pretty quickly so I kept experimenting with it until I found a level that
> didn't puke; maybe about a quarter full.  I added the overflow tank later
> just in case.  I suppose I could fill the expansion tank back but I haven't
> bothered.
>
> I tried using a 13psi cap but it blew a radiator hose off, so I went back
> to a 9psi cap. I also read that the higher pressure could be hard on the
> heater core. I also installed an electric fan that comes on at 190 degrees
> and I haven't had any other issues.
>
> Thanks,
> Joe
>
> On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com> wrote:
>
>> Yes, I think it is a recovery type!
>> How high is the coolant in the TIger tank?  If it is full, you are good
>> Gary Winblad
>>
>>
>> On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com> wrote:
>>
>>> I went back and looked at my cap.  Everything I've read says that the
>>> recovery style caps have two seals; one at the top of the cap and one on
>>> the spring loaded part.  Here is a photo of my cap.  Can I assume that I
>>> have a recovery style cap?
>>> [image: PXL_20260909_160805998.jpg]
>>>
>>> Thanks,
>>> Joe
>>>
>>> On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com>
>>> wrote:
>>>
>>>> Joe.
>>>>
>>>> You describe how the system works..but without a specific recovery cap
>>>> the water cant get back into the header tank once its out.. it just becomes
>>>> a catch overflow
>>>>
>>>> Regards
>>>>
>>>> Michael King
>>>>
>>>> On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
>>>>
>>>>> I've got the regular pressure cap on the original expansion tank and
>>>>> my understanding was that it would open up if the coolant was boiling over
>>>>> and the excess coolant would then flow into the catch can.  And then as the
>>>>> coolant cooled down it would be sucked back into the expansion tank.  Do I
>>>>> need some other kind of radiator cap?
>>>>>
>>>>> Thanks,
>>>>> Joe
>>>>>
>>>>> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Joe,
>>>>>> Hopefully you also added the double seal cap?  You need that to make
>>>>>> it a recovery system, not just a catch can
>>>>>> With recovery, the overflow is pulled back in during cool down.  That
>>>>>> is what makes the radiator always full to the top,
>>>>>> for a few more tubes of cooling.
>>>>>> Gary Winblad
>>>>>>
>>>>>>
>>>>>> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hey,
>>>>>>> I added an overflow tank several years ago and I went with one I
>>>>>>> found on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK
>>>>>>> and it's around $25.
>>>>>>> [image: image.png]
>>>>>>>
>>>>>>> I wasn't using the remote oil filter, so I mounted this tank in the
>>>>>>> filter bracket.  This tank is slimmer than an oil  filter so I had to
>>>>>>> fabricate a new clamp to secure it.  Here is a photo.
>>>>>>> [image: PXL_20260908_220938306.jpg]
>>>>>>>
>>>>>>>
>>>>>>> Have Fun,
>>>>>>> Joe Brown
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <
>>>>>>> tigers at autox.team.net> wrote:
>>>>>>>
>>>>>>>> So, the plastic kit you mentioned will stand up to the heat of the
>>>>>>>> engine compartment okay?
>>>>>>>>
>>>>>>>> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
>>>>>>>> winbladgary at gmail.com writes:
>>>>>>>>
>>>>>>>>
>>>>>>>> Mark,
>>>>>>>> IT is worth adding.  Cost and trouble are minimal. You can buy a
>>>>>>>> kit at the auto parts store (plastic tank, dual seal cap, tygon hose) for
>>>>>>>> cheap.
>>>>>>>> Hard to say exactly how much cooling capacity it really adds..  it
>>>>>>>> DOES keep the radiator full to the top, the extra quart doesn't matter.
>>>>>>>> I put the tank in the wheel well behind the headlight, out of
>>>>>>>> sight, out of the way.
>>>>>>>> A very important reason to add is that it stops the leak of
>>>>>>>> antifreeze, which is toxic to small animals.  When we were in Big Sky for
>>>>>>>> SUNI, we stopped
>>>>>>>> into a small museum.  I will never forget the huge stuffed Condor
>>>>>>>> on display.  The placard said he died from driniking anitfreeze from an
>>>>>>>> overheated car... so sad, he was beautiful rare bird.  Please
>>>>>>>> install the system..
>>>>>>>> Gary Winblad
>>>>>>>>
>>>>>>>> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <
>>>>>>>> tigers at autox.team.net> wrote:
>>>>>>>>
>>>>>>>> I know some have added an overflow to the expansion tank. This
>>>>>>>> seemingly allow the expansion tank to be filled to the top rather than only
>>>>>>>> 1/2 full.  Is the addition of an overflow worth installing?  It appears
>>>>>>>> this would add an additional  1 quart to the system.   How much difference
>>>>>>>> would this make on cooling?
>>>>>>>> Thanks,
>>>>>>>>  Mark L
>>>>>>>> _______________________________________________
>>>>>>>>
>>>>>>>> tigers at autox.team.net
>>>>>>>>
>>>>>>>> Donate: http://www.team.net/donate.html
>>>>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>>>>> http://autox.team.net/archive
>>>>>>>>
>>>>>>>> Unsubscribe:
>>>>>>>> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>>
>>>>>>>> tigers at autox.team.net
>>>>>>>>
>>>>>>>> Donate: http://www.team.net/donate.html
>>>>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>>>>> http://autox.team.net/archive
>>>>>>>>
>>>>>>>> Unsubscribe:
>>>>>>>> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>
>>>>> tigers at autox.team.net
>>>>>
>>>>> Donate: http://www.team.net/donate.html
>>>>> Archive: http://www.team.net/pipermail/tigers
>>>>> http://autox.team.net/archive
>>>>>
>>>>> Unsubscribe:
>>>>> http://autox.team.net/mailman/options/tigers/michael.s.king at gmail.com
>>>>>
>>>>>
>>>>>
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From winbladgary at gmail.com  Wed Sep  9 14:34:30 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Wed, 9 Sep 2026 13:34:30 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <113849179.1396457.1788985287545@mail.yahoo.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
 <113849179.1396457.1788985287545@mail.yahoo.com>
Message-ID: <CADoP9FcuKv-tBa9RbLUJ1u86zVUC+iTqpOYC6dP6+7HHjBKseg@mail.gmail.com>

Mark,
Yeah, my experience is it helps but only a little.  The only place to put
an electric fan is on the front, and then that blocks some
of the core.  Running it all the time is fine but seems like a real waste
to me.
Somebody commented that all Tigers overheat in traffic and that is sort of
true.  The temp will go up high, but if it doesn't start
puking fluid it isn't really overheating..  It took me years to figure that
out.  I put my 260 2bbl back to stock cooling.. little 4 blade
fan, stock size radiator (though a more modern late 1980's core) and drive
it in traffic is Sacramento, CA heat..  it has been fine.
My recovery system keeps the coolant full.  The overheating driver is more
of a concern, LOL.
Gary Winblad


On Wed, Sep 9, 2026 at 1:21?PM Mark L <coolvt at aol.com> wrote:

> My experience has been that the electric fan in addition to the mechanical
> fan does a good job in keeping the temp in check. But, if the engine does
> overheat, turning on the electric fan doesn't do much in  getting the temp
> back down.
>
> In a message dated 9/9/2026 3:35:38 PM Eastern Daylight Time,
> jbbrown1980 at gmail.com writes:
>
>
> When I first got the car running I didn't know how much coolant to have in
> the expansion tank so I started out with it filled up.  It boiled over
> pretty quickly so I kept experimenting with it until I found a level that
> didn't puke; maybe about a quarter full.  I added the overflow tank later
> just in case.  I suppose I could fill the expansion tank back but I haven't
> bothered.
>
> I tried using a 13psi cap but it blew a radiator hose off, so I went back
> to a 9psi cap. I also read that the higher pressure could be hard on the
> heater core. I also installed an electric fan that comes on at 190 degrees
> and I haven't had any other issues.
>
> Thanks,
> Joe
>
> On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com> wrote:
>
> Yes, I think it is a recovery type!
> How high is the coolant in the TIger tank?  If it is full, you are good
> Gary Winblad
>
>
> On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com> wrote:
>
> I went back and looked at my cap.  Everything I've read says that the
> recovery style caps have two seals; one at the top of the cap and one on
> the spring loaded part.  Here is a photo of my cap.  Can I assume that I
> have a recovery style cap?
> [image: PXL_20260909_160805998.jpg]
>
> Thanks,
> Joe
>
> On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com>
> wrote:
>
> Joe.
>
> You describe how the system works..but without a specific recovery cap the
> water cant get back into the header tank once its out.. it just becomes a
> catch overflow
>
> Regards
>
> Michael King
>
> On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
>
> I've got the regular pressure cap on the original expansion tank and my
> understanding was that it would open up if the coolant was boiling over and
> the excess coolant would then flow into the catch can.  And then as the
> coolant cooled down it would be sucked back into the expansion tank.  Do I
> need some other kind of radiator cap?
>
> Thanks,
> Joe
>
> On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com> wrote:
>
> Joe,
> Hopefully you also added the double seal cap?  You need that to make it a
> recovery system, not just a catch can
> With recovery, the overflow is pulled back in during cool down.  That is
> what makes the radiator always full to the top,
> for a few more tubes of cooling.
> Gary Winblad
>
>
> On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
>
> Hey,
> I added an overflow tank several years ago and I went with one I found on
> Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and it's
> around $25.
> [image: image.png]
>
> I wasn't using the remote oil filter, so I mounted this tank in the filter
> bracket.  This tank is slimmer than an oil  filter so I had to fabricate a
> new clamp to secure it.  Here is a photo.
> [image: PXL_20260908_220938306.jpg]
>
>
> Have Fun,
> Joe Brown
>
>
> On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net>
> wrote:
>
> So, the plastic kit you mentioned will stand up to the heat of the engine
> compartment okay?
>
> In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,
> winbladgary at gmail.com writes:
>
>
> Mark,
> IT is worth adding.  Cost and trouble are minimal. You can buy a kit at
> the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
> Hard to say exactly how much cooling capacity it really adds..  it DOES
> keep the radiator full to the top, the extra quart doesn't matter.
> I put the tank in the wheel well behind the headlight, out of sight, out
> of the way.
> A very important reason to add is that it stops the leak of antifreeze,
> which is toxic to small animals.  When we were in Big Sky for SUNI, we
> stopped
> into a small museum.  I will never forget the huge stuffed Condor on
> display.  The placard said he died from driniking anitfreeze from an
> overheated car... so sad, he was beautiful rare bird.  Please install the
> system..
> Gary Winblad
>
> On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net>
> wrote:
>
> I know some have added an overflow to the expansion tank. This seemingly
> allow the expansion tank to be filled to the top rather than only 1/2
> full.  Is the addition of an overflow worth installing?  It appears this
> would add an additional  1 quart to the system.   How much difference would
> this make on cooling?
> Thanks,
>  Mark L
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
>
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/jbbrown1980 at gmail.com
>
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/michael.s.king at gmail.com
>
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe: http://autox.team.net/mailman/options/tigers/coolvt at aol.com
>
>
>
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From coolvt at aol.com  Wed Sep  9 15:35:17 2026
From: coolvt at aol.com (Mark L)
Date: Wed, 9 Sep 2026 21:35:17 +0000 (UTC)
Subject: [Tigers] Coolant queston
In-Reply-To: <CADoP9FcuKv-tBa9RbLUJ1u86zVUC+iTqpOYC6dP6+7HHjBKseg@mail.gmail.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
 <113849179.1396457.1788985287545@mail.yahoo.com>
 <CADoP9FcuKv-tBa9RbLUJ1u86zVUC+iTqpOYC6dP6+7HHjBKseg@mail.gmail.com>
Message-ID: <468084560.1102979.1788989717542@mail.yahoo.com>

I remember talking with a tech? representative at an electric fan company.? He told me that putting the fan behind the radiator would make it almost twice as effective.? I always wondered if any Tiger owner tried running with only an electric behind the radiator.
In a message dated 9/9/2026 4:34:46 PM Eastern Daylight Time, winbladgary at gmail.com writes:?
Mark,Yeah, my experience?is it helps but only a little.? The only place to put an electric fan is on the front, and then that blocks someof the core.? Running it all the time is fine but seems like a real waste to me.??Somebody commented that all Tigers overheat in traffic and that is sort of true.? The temp will go up high, but if it doesn't startpuking fluid it isn't really overheating..? It took me years to figure that out.? I put my 260 2bbl back to stock cooling.. little 4 bladefan, stock size radiator (though a more modern late 1980's core) and drive it in traffic is Sacramento, CA heat..? it has been fine.My recovery system keeps the coolant full.? The overheating driver is more of a concern, LOL.Gary Winblad?
On Wed, Sep 9, 2026 at 1:21?PM Mark L <coolvt at aol.com> wrote:
My experience has been that the electric fan in addition to the mechanical fan does a good job in keeping the temp in check. But, if the engine does overheat, turning on the electric fan doesn't do much in? getting the temp back down.

In a message dated 9/9/2026 3:35:38 PM Eastern Daylight Time, jbbrown1980 at gmail.com writes:?
When I first got the car running I didn't know how much coolant to have in the expansion?tank so I started out with it filled up.? It boiled over pretty quickly so I kept experimenting with it until I found a level that didn't puke; maybe about a quarter full.? I added the overflow tank later just?in case.? I suppose I could fill the expansion tank back but I haven't bothered.??I tried using a 13psi cap but it blew a radiator hose off, so I went back to a 9psi cap. I also read that the higher pressure could be hard on the heater core. I also installed an electric fan that comes on at 190 degrees and I haven't had any other issues.?Thanks,?Joe?
On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com> wrote:
Yes, I think it is a recovery type!How high is the coolant in the TIger tank?? If it is full, you are goodGary Winblad?
On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com> wrote:
I went back and looked at my cap.? Everything I've read says that the recovery style caps have two seals; one at the top of the cap and one on the spring loaded part.? Here is a photo of my cap.? Can I assume that I have a recovery style cap??Thanks,Joe
On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com> wrote:
Joe.???You describe how the system works..but without a specific recovery cap the water cant get back into the header tank once its out.. it just becomes a catch overflow??Regards

Michael King
On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
I've got the regular pressure cap on the original expansion tank and my understanding was that it would open up if the coolant was boiling over and the excess coolant would then flow into the catch can.? And then as the coolant cooled down it would be sucked back into the expansion tank.? Do I need some other kind of radiator cap??Thanks,Joe
On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com> wrote:
Joe,Hopefully you also added the double seal cap?? You need that to make it a recovery system, not just a catch canWith recovery, the overflow is pulled back in during cool down.? That is what makes the radiator always full to the top,for a few more tubes of cooling.Gary Winblad?
On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
Hey,I added an overflow tank several years ago and I went with one I found on Amazon.? It's called an 800ml aluminum expansion tank from BDFHYK and it's around $25.???I wasn't using the remote oil filter, so I mounted this tank in the filter bracket.? This tank is slimmer than an oil? filter so I had to fabricate a new clamp to secure it.? Here is a photo.??Have Fun,Joe Brown?
On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net> wrote:
So, the plastic kit you mentioned will stand up to the heat of the engine compartment okay?

In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time, winbladgary at gmail.com writes:?
Mark,IT is worth adding.? Cost and trouble are minimal. You can buy a kit at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.Hard to say exactly how much cooling capacity it really adds..? it DOES keep the radiator full to the top, the extra quart doesn't matter.I put the tank in the wheel well behind the headlight,?out of sight, out of the way.A very important reason to add is that it stops the leak of antifreeze, which is toxic to small animals.? When we were in Big Sky for SUNI, we stoppedinto a small museum.? I will never forget the huge stuffed Condor on display.? The placard said he died from driniking?anitfreeze?from anoverheated car... so sad, he was beautiful rare bird.? Please install the system..Gary Winblad
On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net> wrote:
I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full.? Is the addition of an overflow worth installing?? It appears this would add an additional? 1 quart to the system.? ?How much difference would this make on cooling?
Thanks,?Mark L_______________________________________________

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From cars at wt-inc.com  Wed Sep  9 16:29:09 2026
From: cars at wt-inc.com (Cars)
Date: Wed, 9 Sep 2026 22:29:09 +0000
Subject: [Tigers] Coolant queston
In-Reply-To: <468084560.1102979.1788989717542@mail.yahoo.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
 <113849179.1396457.1788985287545@mail.yahoo.com>
 <CADoP9FcuKv-tBa9RbLUJ1u86zVUC+iTqpOYC6dP6+7HHjBKseg@mail.gmail.com>
 <468084560.1102979.1788989717542@mail.yahoo.com>
Message-ID: <SJ0PR14MB45232A68E69C7C126473C623FCB02@SJ0PR14MB4523.namprd14.prod.outlook.com>

That is exactly how I run it.
545 hp
Air conditioning
Has never overheated or got close. Even in 105 degree stop and go.
Electric fan and full shroud behind the radiator.
The stock water pump may make this too tight.

Three thoughts:

  1.
No puke, no worry (I know that is a scary thought though and doesn?t allow for calm driving in hot weather)
  2.
calibrate your temp sending unit to your gauge. This is tell you if you truly have a hot running car. Gauge repair people can do this.  When reinstalling it make sure it is covered in water when screwing it back in. Often times with all the adapters to make it fit the intake manifold, the sending unit is in the air and not fluid. I bleed the air out of the system here.

3.  Full radiator shroud is a must with blocked off horn holes. The stock radiator shroud is wide open in the bottom. Making a shroud is tough but can be done.

Lynn

Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: Tigers <tigers-bounces at autox.team.net> on behalf of Mark L via Tigers <tigers at autox.team.net>
Sent: Wednesday, 09 September 2026 15:35:17
To: winbladgary at gmail.com <winbladgary at gmail.com>
Cc: tigers at autox.team.net <tigers at autox.team.net>
Subject: Re: [Tigers] Coolant queston

I remember talking with a tech  representative at an electric fan company.  He told me that putting the fan behind the radiator would make it almost twice as effective.  I always wondered if any Tiger owner tried running with only an electric behind the radiator.

In a message dated 9/9/2026 4:34:46 PM Eastern Daylight Time, winbladgary at gmail.com writes:

Mark,
Yeah, my experience is it helps but only a little.  The only place to put an electric fan is on the front, and then that blocks some
of the core.  Running it all the time is fine but seems like a real waste to me.
Somebody commented that all Tigers overheat in traffic and that is sort of true.  The temp will go up high, but if it doesn't start
puking fluid it isn't really overheating..  It took me years to figure that out.  I put my 260 2bbl back to stock cooling.. little 4 blade
fan, stock size radiator (though a more modern late 1980's core) and drive it in traffic is Sacramento, CA heat..  it has been fine.
My recovery system keeps the coolant full.  The overheating driver is more of a concern, LOL.
Gary Winblad


On Wed, Sep 9, 2026 at 1:21?PM Mark L <coolvt at aol.com<mailto:coolvt at aol.com>> wrote:
My experience has been that the electric fan in addition to the mechanical fan does a good job in keeping the temp in check. But, if the engine does overheat, turning on the electric fan doesn't do much in  getting the temp back down.

In a message dated 9/9/2026 3:35:38 PM Eastern Daylight Time, jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com> writes:

When I first got the car running I didn't know how much coolant to have in the expansion tank so I started out with it filled up.  It boiled over pretty quickly so I kept experimenting with it until I found a level that didn't puke; maybe about a quarter full.  I added the overflow tank later just in case.  I suppose I could fill the expansion tank back but I haven't bothered.

I tried using a 13psi cap but it blew a radiator hose off, so I went back to a 9psi cap. I also read that the higher pressure could be hard on the heater core. I also installed an electric fan that comes on at 190 degrees and I haven't had any other issues.

Thanks,
Joe

On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com<mailto:winbladgary at gmail.com>> wrote:
Yes, I think it is a recovery type!
How high is the coolant in the TIger tank?  If it is full, you are good
Gary Winblad


On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com>> wrote:
I went back and looked at my cap.  Everything I've read says that the recovery style caps have two seals; one at the top of the cap and one on the spring loaded part.  Here is a photo of my cap.  Can I assume that I have a recovery style cap?
[PXL_20260909_160805998.jpg]

Thanks,
Joe

On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com<mailto:michael.s.king at gmail.com>> wrote:
Joe.

You describe how the system works..but without a specific recovery cap the water cant get back into the header tank once its out.. it just becomes a catch overflow

Regards

Michael King

On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com>> wrote:
I've got the regular pressure cap on the original expansion tank and my understanding was that it would open up if the coolant was boiling over and the excess coolant would then flow into the catch can.  And then as the coolant cooled down it would be sucked back into the expansion tank.  Do I need some other kind of radiator cap?

Thanks,
Joe

On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com<mailto:winbladgary at gmail.com>> wrote:
Joe,
Hopefully you also added the double seal cap?  You need that to make it a recovery system, not just a catch can
With recovery, the overflow is pulled back in during cool down.  That is what makes the radiator always full to the top,
for a few more tubes of cooling.
Gary Winblad


On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com>> wrote:
Hey,
I added an overflow tank several years ago and I went with one I found on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and it's around $25.
[image.png]

I wasn't using the remote oil filter, so I mounted this tank in the filter bracket.  This tank is slimmer than an oil  filter so I had to fabricate a new clamp to secure it.  Here is a photo.
[PXL_20260908_220938306.jpg]


Have Fun,
Joe Brown


On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net<mailto:tigers at autox.team.net>> wrote:
So, the plastic kit you mentioned will stand up to the heat of the engine compartment okay?

In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time, winbladgary at gmail.com<mailto:winbladgary at gmail.com> writes:

Mark,
IT is worth adding.  Cost and trouble are minimal. You can buy a kit at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
Hard to say exactly how much cooling capacity it really adds..  it DOES keep the radiator full to the top, the extra quart doesn't matter.
I put the tank in the wheel well behind the headlight, out of sight, out of the way.
A very important reason to add is that it stops the leak of antifreeze, which is toxic to small animals.  When we were in Big Sky for SUNI, we stopped
into a small museum.  I will never forget the huge stuffed Condor on display.  The placard said he died from driniking anitfreeze from an
overheated car... so sad, he was beautiful rare bird.  Please install the system..
Gary Winblad

On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net<mailto:tigers at autox.team.net>> wrote:
I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full.  Is the addition of an overflow worth installing?  It appears this would add an additional  1 quart to the system.   How much difference would this make on cooling?
Thanks,
 Mark L
_______________________________________________

tigers at autox.team.net<mailto:tigers at autox.team.net>

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From coolvt at aol.com  Wed Sep  9 17:14:51 2026
From: coolvt at aol.com (Mark L)
Date: Wed, 9 Sep 2026 23:14:51 +0000 (UTC)
Subject: [Tigers] Coolant queston
In-Reply-To: <SJ0PR14MB45232A68E69C7C126473C623FCB02@SJ0PR14MB4523.namprd14.prod.outlook.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
 <113849179.1396457.1788985287545@mail.yahoo.com>
 <CADoP9FcuKv-tBa9RbLUJ1u86zVUC+iTqpOYC6dP6+7HHjBKseg@mail.gmail.com>
 <468084560.1102979.1788989717542@mail.yahoo.com>
 <SJ0PR14MB45232A68E69C7C126473C623FCB02@SJ0PR14MB4523.namprd14.prod.outlook.com>
Message-ID: <1713043182.1441722.1788995691529@mail.yahoo.com>

Lynn,
Is that with a stock radiator?Mark
In a message dated 9/9/2026 6:29:22 PM Eastern Daylight Time, cars at wt-inc.com writes:?
That is exactly how I run it.?545 hpAir conditioningHas never overheated or got close. Even in 105 degree stop and go.?Electric fan and full shroud behind the radiator.?The stock water pump may make this too tight.??Three thoughts:   
   - No puke, no worry (I know that is a scary thought though and doesn?t allow for calm driving in hot weather)
   - calibrate your temp sending unit to your gauge. This is tell you if you truly have a hot running car. Gauge repair people can do this. ?When reinstalling it make sure it is covered in water when screwing it back in. Often times with all the adapters to make it fit the intake manifold, the sending unit is in the air and not fluid. I bleed the air out of the system here.??3. ?Full radiator shroud is a must with blocked off horn holes. The stock radiator shroud is wide open in the bottom. Making a shroud is tough but can be done.??Lynn
?Get Outlook for iOSFrom: Tigers <tigers-bounces at autox.team.net> on behalf of Mark L via Tigers <tigers at autox.team.net>
Sent: Wednesday, 09 September 2026 15:35:17
To: winbladgary at gmail.com <winbladgary at gmail.com>
Cc: tigers at autox.team.net <tigers at autox.team.net>
Subject: Re: [Tigers] Coolant queston?I remember talking with a tech? representative at an electric fan company.? He told me that putting the fan behind the radiator would make it almost twice as effective.? I always wondered if any Tiger owner tried running with only an electric behind the radiator.
In a message dated 9/9/2026 4:34:46 PM Eastern Daylight Time, winbladgary at gmail.com writes:?
Mark,Yeah, my experience?is it helps but only a little.? The only place to put an electric fan is on the front, and then that blocks someof the core.? Running it all the time is fine but seems like a real waste to me.??Somebody commented that all Tigers overheat in traffic and that is sort of true.? The temp will go up high, but if it doesn't startpuking fluid it isn't really overheating..? It took me years to figure that out.? I put my 260 2bbl back to stock cooling.. little 4 bladefan, stock size radiator (though a more modern late 1980's core) and drive it in traffic is Sacramento, CA heat..? it has been fine.My recovery system keeps the coolant full.? The overheating driver is more of a concern, LOL.Gary Winblad?
On Wed, Sep 9, 2026 at 1:21?PM Mark L <coolvt at aol.com> wrote:
My experience has been that the electric fan in addition to the mechanical fan does a good job in keeping the temp in check. But, if the engine does overheat, turning on the electric fan doesn't do much in? getting the temp back down.

In a message dated 9/9/2026 3:35:38 PM Eastern Daylight Time,  jbbrown1980 at gmail.com writes:?
When I first got the car running I didn't know how much coolant to have in the expansion?tank so I started out with it filled up.? It boiled over pretty quickly so I kept experimenting with it until I found a level that didn't puke; maybe about a quarter full.? I added the overflow tank later just?in case.? I suppose I could fill the expansion tank back but I haven't bothered.??I tried using a 13psi cap but it blew a radiator hose off, so I went back to a 9psi cap. I also read that the higher pressure could be hard on the heater core. I also installed an electric fan that comes on at 190 degrees and I haven't had any other issues.?Thanks,?Joe?
On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com> wrote:
Yes, I think it is a recovery type!How high is the coolant in the TIger tank?? If it is full, you are goodGary Winblad?
On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com> wrote:
I went back and looked at my cap.? Everything I've read says that the recovery style caps have two seals; one at the top of the cap and one on the spring loaded part.? Here is a photo of my cap.? Can I assume that I have a recovery style cap??Thanks,Joe
On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com> wrote:
Joe.???You describe how the system works..but without a specific recovery cap the water cant get back into the header tank once its out.. it just becomes a catch overflow??Regards

Michael King
On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com> wrote:
I've got the regular pressure cap on the original expansion tank and my understanding was that it would open up if the coolant was boiling over and the excess coolant would then flow into the catch can.? And then as the coolant cooled down it would be sucked back into the expansion tank.? Do I need some other kind of radiator cap??Thanks,Joe
On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com> wrote:
Joe,Hopefully you also added the double seal cap?? You need that to make it a recovery system, not just a catch canWith recovery, the overflow is pulled back in during cool down.? That is what makes the radiator always full to the top,for a few more tubes of cooling.Gary Winblad?
On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com> wrote:
Hey,I added an overflow tank several years ago and I went with one I found on Amazon.? It's called an 800ml aluminum expansion tank from BDFHYK and it's around $25.???I wasn't using the remote oil filter, so I mounted this tank in the filter bracket.? This tank is slimmer than an oil? filter so I had to fabricate a new clamp to secure it.? Here is a photo.??Have Fun,Joe Brown?
On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net> wrote:
So, the plastic kit you mentioned will stand up to the heat of the engine compartment okay?

In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time,  winbladgary at gmail.com writes:?
Mark,IT is worth adding.? Cost and trouble are minimal. You can buy a kit at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.Hard to say exactly how much cooling capacity it really adds..? it DOES keep the radiator full to the top, the extra quart doesn't matter.I put the tank in the wheel well behind the headlight,?out of sight, out of the way.A very important reason to add is that it stops the leak of antifreeze, which is toxic to small animals.? When we were in Big Sky for SUNI, we stoppedinto a small museum.? I will never forget the huge stuffed Condor on display.? The placard said he died from driniking?anitfreeze?from anoverheated car... so sad, he was beautiful rare bird.? Please install the system..Gary Winblad
On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net> wrote:
I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full.? Is the addition of an overflow worth installing?? It appears this would add an additional? 1 quart to the system.? ?How much difference would this make on cooling?
Thanks,?Mark L_______________________________________________

tigers at autox.team.net

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From cars at wt-inc.com  Wed Sep  9 17:26:40 2026
From: cars at wt-inc.com (Cars)
Date: Wed, 9 Sep 2026 23:26:40 +0000
Subject: [Tigers] Coolant queston
In-Reply-To: <1713043182.1441722.1788995691529@mail.yahoo.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
 <113849179.1396457.1788985287545@mail.yahoo.com>
 <CADoP9FcuKv-tBa9RbLUJ1u86zVUC+iTqpOYC6dP6+7HHjBKseg@mail.gmail.com>
 <468084560.1102979.1788989717542@mail.yahoo.com>
 <SJ0PR14MB45232A68E69C7C126473C623FCB02@SJ0PR14MB4523.namprd14.prod.outlook.com>
 <1713043182.1441722.1788995691529@mail.yahoo.com>
Message-ID: <SJ0PR14MB45232C830E2B38883D46C27EFCB02@SJ0PR14MB4523.namprd14.prod.outlook.com>

The radiator is a fluidyne but essentially stock dimensions but a different configuration to accommodate the Frontrunner system (required for the AC install)   My expansion tank is mounted on the firewall where the brake booster would be. That location gives it enough elevation to effectively bleed the air out.

The secret sauce though is a full shroud, horn block offs and accurate gauges.

Lynn

Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: Mark L <coolvt at aol.com>
Sent: Wednesday, 09 September 2026 17:14:51
To: Cars <cars at wt-inc.com>; winbladgary at gmail.com <winbladgary at gmail.com>
Cc: tigers at autox.team.net <tigers at autox.team.net>
Subject: Re: [Tigers] Coolant queston

Lynn,
Is that with a stock radiator?
Mark

In a message dated 9/9/2026 6:29:22 PM Eastern Daylight Time, cars at wt-inc.com writes:

That is exactly how I run it.
545 hp
Air conditioning
Has never overheated or got close. Even in 105 degree stop and go.
Electric fan and full shroud behind the radiator.
The stock water pump may make this too tight.

Three thoughts:

  1.
No puke, no worry (I know that is a scary thought though and doesn?t allow for calm driving in hot weather)
  2.
calibrate your temp sending unit to your gauge. This is tell you if you truly have a hot running car. Gauge repair people can do this.  When reinstalling it make sure it is covered in water when screwing it back in. Often times with all the adapters to make it fit the intake manifold, the sending unit is in the air and not fluid. I bleed the air out of the system here.

3.  Full radiator shroud is a must with blocked off horn holes. The stock radiator shroud is wide open in the bottom. Making a shroud is tough but can be done.

Lynn


Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: Tigers <tigers-bounces at autox.team.net> on behalf of Mark L via Tigers <tigers at autox.team.net>
Sent: Wednesday, 09 September 2026 15:35:17
To: winbladgary at gmail.com<mailto:winbladgary at gmail.com> <winbladgary at gmail.com>
Cc: tigers at autox.team.net<mailto:tigers at autox.team.net> <tigers at autox.team.net>
Subject: Re: [Tigers] Coolant queston

I remember talking with a tech  representative at an electric fan company.  He told me that putting the fan behind the radiator would make it almost twice as effective.  I always wondered if any Tiger owner tried running with only an electric behind the radiator.

In a message dated 9/9/2026 4:34:46 PM Eastern Daylight Time, winbladgary at gmail.com<mailto:winbladgary at gmail.com> writes:

Mark,
Yeah, my experience is it helps but only a little.  The only place to put an electric fan is on the front, and then that blocks some
of the core.  Running it all the time is fine but seems like a real waste to me.
Somebody commented that all Tigers overheat in traffic and that is sort of true.  The temp will go up high, but if it doesn't start
puking fluid it isn't really overheating..  It took me years to figure that out.  I put my 260 2bbl back to stock cooling.. little 4 blade
fan, stock size radiator (though a more modern late 1980's core) and drive it in traffic is Sacramento, CA heat..  it has been fine.
My recovery system keeps the coolant full.  The overheating driver is more of a concern, LOL.
Gary Winblad


On Wed, Sep 9, 2026 at 1:21?PM Mark L <coolvt at aol.com<mailto:coolvt at aol.com>> wrote:
My experience has been that the electric fan in addition to the mechanical fan does a good job in keeping the temp in check. But, if the engine does overheat, turning on the electric fan doesn't do much in  getting the temp back down.

In a message dated 9/9/2026 3:35:38 PM Eastern Daylight Time, jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com> writes:

When I first got the car running I didn't know how much coolant to have in the expansion tank so I started out with it filled up.  It boiled over pretty quickly so I kept experimenting with it until I found a level that didn't puke; maybe about a quarter full.  I added the overflow tank later just in case.  I suppose I could fill the expansion tank back but I haven't bothered.

I tried using a 13psi cap but it blew a radiator hose off, so I went back to a 9psi cap. I also read that the higher pressure could be hard on the heater core. I also installed an electric fan that comes on at 190 degrees and I haven't had any other issues.

Thanks,
Joe

On Wed, Sep 9, 2026, 12:35?PM Gary Winblad <winbladgary at gmail.com<mailto:winbladgary at gmail.com>> wrote:
Yes, I think it is a recovery type!
How high is the coolant in the TIger tank?  If it is full, you are good
Gary Winblad


On Wed, Sep 9, 2026 at 9:13?AM Joe Brown <jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com>> wrote:
I went back and looked at my cap.  Everything I've read says that the recovery style caps have two seals; one at the top of the cap and one on the spring loaded part.  Here is a photo of my cap.  Can I assume that I have a recovery style cap?
[PXL_20260909_160805998.jpg]

Thanks,
Joe

On Wed, Sep 9, 2026 at 7:00?AM michael king <michael.s.king at gmail.com<mailto:michael.s.king at gmail.com>> wrote:
Joe.

You describe how the system works..but without a specific recovery cap the water cant get back into the header tank once its out.. it just becomes a catch overflow

Regards

Michael King

On Wed, 9 Sept 2026, 19:57 Joe Brown, <jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com>> wrote:
I've got the regular pressure cap on the original expansion tank and my understanding was that it would open up if the coolant was boiling over and the excess coolant would then flow into the catch can.  And then as the coolant cooled down it would be sucked back into the expansion tank.  Do I need some other kind of radiator cap?

Thanks,
Joe

On Tue, Sep 8, 2026 at 5:50?PM Gary Winblad <winbladgary at gmail.com<mailto:winbladgary at gmail.com>> wrote:
Joe,
Hopefully you also added the double seal cap?  You need that to make it a recovery system, not just a catch can
With recovery, the overflow is pulled back in during cool down.  That is what makes the radiator always full to the top,
for a few more tubes of cooling.
Gary Winblad


On Tue, Sep 8, 2026 at 3:21?PM Joe Brown <jbbrown1980 at gmail.com<mailto:jbbrown1980 at gmail.com>> wrote:
Hey,
I added an overflow tank several years ago and I went with one I found on Amazon.  It's called an 800ml aluminum expansion tank from BDFHYK and it's around $25.
[image.png]

I wasn't using the remote oil filter, so I mounted this tank in the filter bracket.  This tank is slimmer than an oil  filter so I had to fabricate a new clamp to secure it.  Here is a photo.
[PXL_20260908_220938306.jpg]


Have Fun,
Joe Brown


On Tue, Sep 8, 2026 at 4:51?PM Mark L via Tigers <tigers at autox.team.net<mailto:tigers at autox.team.net>> wrote:
So, the plastic kit you mentioned will stand up to the heat of the engine compartment okay?

In a message dated 9/8/2026 5:18:10 PM Eastern Daylight Time, winbladgary at gmail.com<mailto:winbladgary at gmail.com> writes:

Mark,
IT is worth adding.  Cost and trouble are minimal. You can buy a kit at the auto parts store (plastic tank, dual seal cap, tygon hose) for cheap.
Hard to say exactly how much cooling capacity it really adds..  it DOES keep the radiator full to the top, the extra quart doesn't matter.
I put the tank in the wheel well behind the headlight, out of sight, out of the way.
A very important reason to add is that it stops the leak of antifreeze, which is toxic to small animals.  When we were in Big Sky for SUNI, we stopped
into a small museum.  I will never forget the huge stuffed Condor on display.  The placard said he died from driniking anitfreeze from an
overheated car... so sad, he was beautiful rare bird.  Please install the system..
Gary Winblad

On Tue, Sep 8, 2026 at 7:56?AM Mark L via Tigers <tigers at autox.team.net<mailto:tigers at autox.team.net>> wrote:
I know some have added an overflow to the expansion tank. This seemingly allow the expansion tank to be filled to the top rather than only 1/2 full.  Is the addition of an overflow worth installing?  It appears this would add an additional  1 quart to the system.   How much difference would this make on cooling?
Thanks,
 Mark L
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From atwittsend at verizon.net  Wed Sep  9 19:58:49 2026
From: atwittsend at verizon.net (Tom Witt)
Date: Wed, 9 Sep 2026 18:58:49 -0700
Subject: [Tigers] Coolant queston
In-Reply-To: <SJ0PR14MB45232A68E69C7C126473C623FCB02@SJ0PR14MB4523.namprd14.prod.outlook.com>
References: <1897607775.1075104.1788879176223.ref@mail.yahoo.com>
 <1897607775.1075104.1788879176223@mail.yahoo.com>
 <CADoP9FcA63O24L1nJK97vEJdNigKUXJUsuo8hK=zfMp_8AXY5g@mail.gmail.com>
 <2144186800.1181976.1788902447268@mail.yahoo.com>
 <CAKb_wfknEoZr20wnfPRhsqcXQ0mXNwEfqBpFSSGxQxYGdh1hfw@mail.gmail.com>
 <CADoP9FdCAm7yT0W9+CPFQJ1Dv_eP18bBpvecXSujWyfzLXnfdA@mail.gmail.com>
 <CAKb_wfnYx_71KBRO_3d7PV9Q6ennAkqncT8UN3tS0DAXOUT0jg@mail.gmail.com>
 <CAET8snX2LdTstDi-FdFS+geKZmd50pFK1Sigs4HY_cgv9pfNdg@mail.gmail.com>
 <CAKb_wfmP0-o-7GwnVqg1N7xtZvzSv5XybsqZKitdB2R-brSccQ@mail.gmail.com>
 <CADoP9FfZ+ERW+_GBtY0-6aew2cPBNxqrS0gV1E+dgqGNW1fzCA@mail.gmail.com>
 <CAKb_wfmqL4ZTSGOrz4zdfa-wqz1HAeRSsUDHMG6hESPn26LyKA@mail.gmail.com>
 <113849179.1396457.1788985287545@mail.yahoo.com>
 <CADoP9FcuKv-tBa9RbLUJ1u86zVUC+iTqpOYC6dP6+7HHjBKseg@mail.gmail.com>
 <468084560.1102979.1788989717542@mail.yahoo.com>
 <SJ0PR14MB45232A68E69C7C126473C623FCB02@SJ0PR14MB4523.namprd14.prod.outlook.com>
Message-ID: <ffa6ee0d-557c-4b01-bc0e-043293708de2@verizon.net>

> "3. /?Full radiator shroud is a must with blocked off horn holes. The 
> stock radiator shroud is wide open in the bottom. *Making a shroud is 
> tough* but can be done. /"

This is a shroud I made years ago. I wish I could tell you how it 
works..., but the Tiger has been on jackstands for 26 years. But, hey, 
it will be painted in the next few weeks..., I hope.

I found it difficult to get around the steering rack. I used split 
tubing where the edges contacted the fin.


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From sixtysixtiger at hotmail.com  Thu Sep 10 19:57:54 2026
From: sixtysixtiger at hotmail.com (Arden Bedell)
Date: Thu, 10 Sep 2026 18:57:54 -0700
Subject: [Tigers] Tiger(s) with Jaguar IRS
In-Reply-To: <179bb60f-0014-4309-a7e8-ba8ba0795ffb@gmail.com>
References: <179bb60f-0014-4309-a7e8-ba8ba0795ffb@gmail.com>
Message-ID: <DM5PR12MB2421D7254656A448E36C2D8CAFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>

Hi All,

There used to be a list subscriber in San Diego that had a Tiger with a 
Jaguar IRS in it, but as I recall he sold it. I'm interested in getting 
some details about how it was installed and if anyone knows who has it 
I'd like to get in touch. Can anyone help?

Arden


From jay.laifman at gmail.com  Thu Sep 10 20:50:04 2026
From: jay.laifman at gmail.com (Jay)
Date: Thu, 10 Sep 2026 19:50:04 -0700
Subject: [Tigers] Tiger(s) with Jaguar IRS
In-Reply-To: <DM5PR12MB2421D7254656A448E36C2D8CAFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>
References: <179bb60f-0014-4309-a7e8-ba8ba0795ffb@gmail.com>
 <DM5PR12MB2421D7254656A448E36C2D8CAFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>
Message-ID: <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>

There was a thread ages ago that talked about it being possible.  I don?t recall anyone having it.

But there was someone with a Husky that installed one:

https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html?




> On Sep 10, 2026, at 6:57?PM, Arden Bedell <sixtysixtiger at hotmail.com> wrote:
> 
> Hi All,
> 
> There used to be a list subscriber in San Diego that had a Tiger with a Jaguar IRS in it, but as I recall he sold it. I'm interested in getting some details about how it was installed and if anyone knows who has it I'd like to get in touch. Can anyone help?
> 
> Arden
> 
> _______________________________________________
> 
> tigers at autox.team.net
> 
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers http://autox.team.net/archive
> 
> Unsubscribe: http://autox.team.net/mailman/options/tigers/jay.laifman at gmail.com
> 
> 

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From clydemclaughlin618 at gmail.com  Fri Sep 11 05:05:26 2026
From: clydemclaughlin618 at gmail.com (Clyde Mclaughlin)
Date: Fri, 11 Sep 2026 07:05:26 -0400
Subject: [Tigers] Tiger(s) with Jaguar IRS
In-Reply-To: <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>
References: <179bb60f-0014-4309-a7e8-ba8ba0795ffb@gmail.com>
 <DM5PR12MB2421D7254656A448E36C2D8CAFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>
 <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>
Message-ID: <CAF6p=0DefKf=MRBkDRZEGKC71r6Gc27O8vKRqC42-2cpnpDKAw@mail.gmail.com>

i recentlt saw one in a TR6 and it had 289 hipo engine..i you need a
complete all rebuilt unit i have

On Thu, Sep 10, 2026, 11:04?PM Jay <jay.laifman at gmail.com> wrote:

> There was a thread ages ago that talked about it being possible.  I don?t
> recall anyone having it.
>
> But there was someone with a Husky that installed one:
>
> 59 Hillman Husky Sunbeam Tiger Suspension Project Street Rod, Gasser - Jag
> Rear
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> smclassiccars.com
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> [image: favicon.ico]
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
>
>
>
>
> On Sep 10, 2026, at 6:57?PM, Arden Bedell <sixtysixtiger at hotmail.com>
> wrote:
>
> Hi All,
>
> There used to be a list subscriber in San Diego that had a Tiger with a
> Jaguar IRS in it, but as I recall he sold it. I'm interested in getting
> some details about how it was installed and if anyone knows who has it I'd
> like to get in touch. Can anyone help?
>
> Arden
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/jay.laifman at gmail.com
>
>
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/clydemclaughlin618 at gmail.com
>
>
>
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From winbladgary at gmail.com  Fri Sep 11 08:53:53 2026
From: winbladgary at gmail.com (Gary Winblad)
Date: Fri, 11 Sep 2026 07:53:53 -0700
Subject: [Tigers] Tiger(s) with Jaguar IRS
In-Reply-To: <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>
References: <179bb60f-0014-4309-a7e8-ba8ba0795ffb@gmail.com>
 <DM5PR12MB2421D7254656A448E36C2D8CAFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>
 <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>
Message-ID: <CADoP9FeiJiwNsMz3hrF9y74r_jW4Zd1_=0cBngW__hR16KB43w@mail.gmail.com>

I saw 2 back in the day, both a Tigers United events.

The first was in Oregon.  I used a fabricated beam up across the frame
rails.  The front leaf spring mounts were used
for radius arms.  Like most hot-rod installs I have seen.

The second was at Temecula (maybe the San Diego one ?).  That one used the
whole Jag "cage" stuffed up in there.
As I recall, it sat a little high and the wheelbase looked a little
different.

The first one looked like the way I would try to go if I was to try it.

Gary Winblad

On Thu, Sep 10, 2026 at 7:53?PM Jay <jay.laifman at gmail.com> wrote:

> There was a thread ages ago that talked about it being possible.  I don?t
> recall anyone having it.
>
> But there was someone with a Husky that installed one:
>
> 59 Hillman Husky Sunbeam Tiger Suspension Project Street Rod, Gasser - Jag
> Rear
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> smclassiccars.com
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> [image: favicon.ico]
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
>
>
>
>
> On Sep 10, 2026, at 6:57?PM, Arden Bedell <sixtysixtiger at hotmail.com>
> wrote:
>
> Hi All,
>
> There used to be a list subscriber in San Diego that had a Tiger with a
> Jaguar IRS in it, but as I recall he sold it. I'm interested in getting
> some details about how it was installed and if anyone knows who has it I'd
> like to get in touch. Can anyone help?
>
> Arden
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
> http://autox.team.net/archive
>
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/jay.laifman at gmail.com
>
>
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers
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From atwittsend at verizon.net  Fri Sep 11 09:46:52 2026
From: atwittsend at verizon.net (Tom Witt)
Date: Fri, 11 Sep 2026 08:46:52 -0700
Subject: [Tigers] Tiger(s) with Jaguar IRS
In-Reply-To: <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>
References: <179bb60f-0014-4309-a7e8-ba8ba0795ffb@gmail.com>
 <DM5PR12MB2421D7254656A448E36C2D8CAFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>
 <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>
Message-ID: <f4deecce-8ba8-4b2b-9e81-9cce7c4f7584@verizon.net>

That was likely David Sosna. He referred to his Tiger as a "Tiguar." My 
recollection is that he bought the car that way and didn't do the 
modification himself.


On 9/10/2026 7:50 PM, Jay wrote:
> There was a thread ages ago that talked about it being possible. ?I 
> don?t recall anyone having it.
>
> But there was someone with a Husky that installed one:
>
> 59 Hillman Husky Sunbeam Tiger Suspension Project Street Rod, Gasser - 
> Jag Rear 
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> smclassiccars.com 
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
> 	favicon.ico 
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html> 
>
>
> <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
>
>
>
>
>> On Sep 10, 2026, at 6:57?PM, Arden Bedell <sixtysixtiger at hotmail.com> 
>> wrote:
>>
>> Hi All,
>>
>> There used to be a list subscriber in San Diego that had a Tiger with 
>> a Jaguar IRS in it, but as I recall he sold it. I'm interested in 
>> getting some details about how it was installed and if anyone knows 
>> who has it I'd like to get in touch. Can anyone help?
>>
>> Arden
>>
>> _______________________________________________
>>
>> tigers at autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/tigers 
>> http://autox.team.net/archive
>>
>> Unsubscribe: 
>> http://autox.team.net/mailman/options/tigers/jay.laifman at gmail.com
>>
>>
>
>
> _______________________________________________
>
> tigers at autox.team.net
>
> Donate:http://www.team.net/donate.html
> Archive:http://www.team.net/pipermail/tigers http://autox.team.net/archive
>
> Unsubscribe:http://autox.team.net/mailman/options/tigers/atwittsend at verizon.net
>
>
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From sixtysixtiger at hotmail.com  Fri Sep 11 10:06:24 2026
From: sixtysixtiger at hotmail.com (Arden Bedell)
Date: Fri, 11 Sep 2026 09:06:24 -0700
Subject: [Tigers] Tiger(s) with Jaguar IRS
In-Reply-To: <CADoP9FeiJiwNsMz3hrF9y74r_jW4Zd1_=0cBngW__hR16KB43w@mail.gmail.com>
References: <179bb60f-0014-4309-a7e8-ba8ba0795ffb@gmail.com>
 <DM5PR12MB2421D7254656A448E36C2D8CAFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>
 <3D971839-36A1-4155-840B-77AFFC2EF3A7@gmail.com>
 <CADoP9FeiJiwNsMz3hrF9y74r_jW4Zd1_=0cBngW__hR16KB43w@mail.gmail.com>
Message-ID: <DM5PR12MB242119414A1ACB0F4AED6108AFBE2@DM5PR12MB2421.namprd12.prod.outlook.com>

I had a conversation with the owner of the second one years ago, the one 
in Temecula, and we were scheduled to meet because I was going to be in 
the area on business but plans changed and the meeting got cancelled. He 
sold the Tiger soon after so I never got another chance. I have a full 
Jag IRS with its mounting 'cage' and I wanted to see what had been done 
to make it fit. It sounds like it could have been done better...


On 9/11/26 7:53 AM, Gary Winblad wrote:
> I saw 2 back in the day, both a Tigers United events.
>
> The first was in Oregon.? I used a fabricated beam up across?the frame 
> rails.? The front leaf spring mounts were used
> for radius arms.? Like most hot-rod installs I have seen.
>
> The second was at Temecula (maybe the San Diego one ?). That one used 
> the whole Jag "cage" stuffed up in there.
> As I recall, it sat a little high and the wheelbase looked a little 
> different.
>
> The first one looked like the way I would try to go if I was to try it.
>
> Gary Winblad
>
> On Thu, Sep 10, 2026 at 7:53?PM Jay <jay.laifman at gmail.com> wrote:
>
>     There was a thread ages ago that talked about it being possible.?
>     I don?t recall anyone having it.
>
>     But there was someone with a Husky that installed one:
>
>     59 Hillman Husky Sunbeam Tiger Suspension Project Street Rod,
>     Gasser - Jag Rear
>     <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
>     smclassiccars.com
>     <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
>     	favicon.ico
>     <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
>
>
>     <https://smclassiccars.com/other-makes/465475-59-hillman-husky-sunbeam-tiger-suspension-project-street-rod-gasser-jag-rear.html>
>
>
>
>
>>     On Sep 10, 2026, at 6:57?PM, Arden Bedell
>>     <sixtysixtiger at hotmail.com> wrote:
>>
>>     Hi All,
>>
>>     There used to be a list subscriber in San Diego that had a Tiger
>>     with a Jaguar IRS in it, but as I recall he sold it. I'm
>>     interested in getting some details about how it was installed and
>>     if anyone knows who has it I'd like to get in touch. Can anyone help?
>>
>>     Arden
>>
>>     _______________________________________________
>>
>>     tigers at autox.team.net
>>
>>     Donate: http://www.team.net/donate.html
>>     Archive: http://www.team.net/pipermail/tigers
>>     http://autox.team.net/archive
>>
>>     Unsubscribe:
>>     http://autox.team.net/mailman/options/tigers/jay.laifman at gmail.com
>>
>>
>
>     _______________________________________________
>
>     tigers at autox.team.net
>
>     Donate: http://www.team.net/donate.html
>     Archive: http://www.team.net/pipermail/tigers
>     http://autox.team.net/archive
>
>     Unsubscribe:
>     http://autox.team.net/mailman/options/tigers/winbladgary at gmail.com
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>
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