[Tigers] Tigers Digest, Vol 15, Issue 218
Joe Brown
jbbrown1980 at gmail.com
Sat Jul 2 16:17:49 MDT 2022
The lower shrouds are made by Denis at denisetlouise at live.ca.
On Sat, Jul 2, 2022 at 4:50 PM Jim D'Amelio via Tigers <
tigers at autox.team.net> wrote:
> James,
>
> Would you happen to have any pictures of the lower shroud?
>
> Jim D
>
>
>
> Sent from my Galaxy
>
>
> -------- Original message --------
> From: JAMES ARMSTRONG via Tigers <tigers at autox.team.net>
> Date: 7/2/22 3:14 PM (GMT-05:00)
> To: tigers at autox.team.net
> Subject: Re: [Tigers] Tigers Digest, Vol 15, Issue 218
>
> Hello
> I met a Canadian guy, I believe from Québec at the 2000 TEAE United in
> Rockland Maine. He said he was fabricating Lower fan shrouds. I stayed in
> touch, bought the device, had it installed on the Tiger and it works quite
> nicely.
> My engine is a rebuilt 260 with a comp cam, Edelbrock F4B, PerTronics, and
> that’s it. A mild upgrade but the lower fan shroud does help. For really
> really hot days, I’ve got a Kenlow pusher fan and with everything I have no
> trouble
>
>
>
>
> Sent from my iPhone
>
> > On Jul 2, 2022, at 12:05 PM, tigers-request at autox.team.net wrote:
> >
> > Send Tigers mailing list submissions to
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> > than "Re: Contents of Tigers digest..."
> >
> >
> > Today's Topics:
> >
> > 1. Re: Evans Waterless Cooling (Owain Lloyd)
> > 2. Re: Evans Waterless Cooling (LARRY PAULICK)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Sat, 2 Jul 2022 16:29:17 +0200
> > From: Owain Lloyd <owain.lloyd at gmail.com>
> > To: Buck Trippel <bucktrippel at verizon.net>
> > Cc: "Dr. T. Y. McDowell" <tym2 at comcast.net>, "Tiger's List"
> > <tigers at autox.team.net>
> > Subject: Re: [Tigers] Evans Waterless Cooling
> > Message-ID:
> > <CANE47iQLDVr=D_km8HR0ofZyQCG2soZ2fKYc2oBq9EpwUSgtoA at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Yep. I run in most cars with no problems but in the tiger with the 500hp
> > motor I needed every bit of efficiency possible so had to switch off even
> > back to water and antifreeze. It worked sort of ok with the dale
> radiator
> > but then I switched to another brand radiator and it just couldn?t keep
> the
> > temps down. Pretty sure it would be doable with an efficient and lower
> > power motor if all the other cooling problems were taken care of.
> >
> > Il giorno sab 2 lug 2022 alle 16:05 Buck Trippel via Tigers <
> > tigers at autox.team.net> ha scritto:
> >
> >> In August of the hot summer of 2019 (aren?t they all hot now?) I put
> Evans
> >> in a Tiger which has an excellent two row aluminum radiator in front of
> a
> >> rather stock 289. My wife and I put the Tiger through an almost
> 5-thousand
> >> mile road test by driving from Los Angeles to La Crosse via I80/I90 to
> >> attend the TEAE United and then Route 66 on the way home. Temperatures
> were
> >> frequently at 100 degrees. So it got quite a test.
> >>
> >>
> >>
> >> The Evans did not boil but with hot outside air temperatures its
> inferior
> >> specific heat (to water) could not remove adequately remove the engine
> >> heat.
> >>
> >>
> >>
> >> The carb got so hot the fuel percolated (boiled) inside the bowls and
> the
> >> engine stalled lean. This weakness was exacerbated at altitudes above
> >> 4-thousand feet. In Pueblo, with OATs near 100 I ended up on the same
> AAA
> >> tow truck twice on the same day. I then gave up and reluctantly drained
> >> maybe half of the the costly coolant out, replacing it with plain water
> so
> >> I could get home. However the percolation reoccurred crossing the
> Mojave in
> >> the 115 degree August temps. At home I replaced the Evans with water,
> >> adding Water Wetter for corrosion protection.
> >>
> >>
> >>
> >> I don?t have the numbers off the top of my head but the specific heat
> (or
> >> ability to transfer heat) of water is 1.00 while Evans is something like
> >> .65 or only 2/3 that of water. For me, Evans just did not do the job.
> From
> >> my experience I?d say one would have to be exceptionally brave to use
> it,
> >> especially with a stock radiator system or with a more powerful engine
> >> which will place even more demand on the Tiger?s weak cooling system.
> (BTW
> >> in the Tiger we drove on that trip, we had removed the stock block under
> >> the carb that hot radiator fluid passes through which probably have made
> >> even more of a problem.)
> >>
> >>
> >>
> >> Buck Trippel
> >>
> >> Ps I wrote up some of this years ago and I believe it contained a more
> >> detailed account of Evans heating issues on the trip ? I think it was
> >> published in both the TEAE and CAT newletters.
> >>
> >>
> >>
> >>
> >>
> >> *From:* Tigers <tigers-bounces at autox.team.net> *On Behalf Of *Dr. T. Y.
> >> McDowell
> >> *Sent:* Saturday, July 2, 2022 5:06 AM
> >> *To:* Tiger's List <tigers at autox.team.net>
> >> *Subject:* [Tigers] Evans Waterless Cooling
> >>
> >>
> >>
> >> Is anyone out there in Tigerland using Evans Waterless Coolant?
> >>
> >> It has a boiling point of 375 (F). I'd like to hear from anyone who's
> >> using it as I'm considering it.
> >>
> >>
> >>
> >> Thanks in advance,
> >>
> >>
> >>
> >> Tym McDowell
> >> _______________________________________________
> >>
> >> 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/owain.lloyd@gmail.com
> >>
> >>
> >>
> > -------------- next part --------------
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> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Sat, 2 Jul 2022 11:35:56 -0400
> > From: LARRY PAULICK <lpaulick1 at verizon.net>
> > To: owain.lloyd at gmail.com
> > Cc: Buck Trippel <bucktrippel at verizon.net>, "tigers at autox.team.net"
> > <tigers at autox.team.net>
> > Subject: Re: [Tigers] Evans Waterless Cooling
> > Message-ID: <8EE82D37-2D80-4774-8AAA-C9B6AF6C080E at verizon.net>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Another issue is aluminum versus brass radiators. Aluminum radiators
> are lighter but brass transfers heat more efficiently.
> >
> >
> > When I redid my tiger, I used a three row versus a stock two row brass
> retaining the top, bottom, and sides so that the fit was not affected.
> >
> > Also if you're replacing or having overheating problems, a closed
> impeller type water pump is much more efficient. Some aftermarket companies
> sell them already set up this way, but you can buy just the impeller plate
> from Summit for a very low price and install it yourself. Pumping
> efficiency is greatly improved.
> >
> > TEAE
> > did a study many years ago on all aspects of cooling. This excellent
> engineering study is still applicable today and well worth reading,
> dispelling a lot of myths.
> >
> >
> > Another design problem with the tiger is that there is no lower portion
> of the fan shroud. As a result, hot air is removed from the radiator then
> goes down to the ground and circles back through the front of the radiator,
> at rest.
> >
> >
> > I know this for a fact since I did smoke test and watched the air
> recirculating.
> >
> > I fabricated a lower fan shroud from sheet metal, and made a low cost
> plastic air dam that comes down about 4 inches, to help
> > the flow of air through the radiator and continue towards the rear of
> the car while in motion.
> >
> > Bottom line it all works and I don't overheat.
> >
> > I have to laugh at the commentos who keeps saying that the V8 takes up
> so much space that that's why they overheat. Just look at today's cars and
> how they fill the engine bay and it becomes apparent this is another myth.
> >
> >> On Jul 2, 2022, at 10:29 AM, Owain Lloyd <owain.lloyd at gmail.com> wrote:
> >>
> >> Yep. I run in most cars with no problems but in the tiger with the
> 500hp motor I needed every bit of efficiency possible so had to switch off
> even back to water and antifreeze. It worked sort of ok with the dale
> radiator but then I switched to another brand radiator and it just couldn?t
> keep the temps down. Pretty sure it would be doable with an efficient and
> lower power motor if all the other cooling problems were taken care of.
> >>
> >> Il giorno sab 2 lug 2022 alle 16:05 Buck Trippel via Tigers <
> tigers at autox.team.net <mailto:tigers at autox.team.net>> ha scritto:
> >> In August of the hot summer of 2019 (aren?t they all hot now?) I put
> Evans in a Tiger which has an excellent two row aluminum radiator in front
> of a rather stock 289. My wife and I put the Tiger through an almost
> 5-thousand mile road test by driving from Los Angeles to La Crosse via
> I80/I90 to attend the TEAE United and then Route 66 on the way home.
> Temperatures were frequently at 100 degrees. So it got quite a test.
> >>
> >>
> >>
> >> The Evans did not boil but with hot outside air temperatures its
> inferior specific heat (to water) could not remove adequately remove the
> engine heat.
> >>
> >>
> >>
> >> The carb got so hot the fuel percolated (boiled) inside the bowls and
> the engine stalled lean. This weakness was exacerbated at altitudes above
> 4-thousand feet. In Pueblo, with OATs near 100 I ended up on the same AAA
> tow truck twice on the same day. I then gave up and reluctantly drained
> maybe half of the the costly coolant out, replacing it with plain water so
> I could get home. However the percolation reoccurred crossing the Mojave in
> the 115 degree August temps. At home I replaced the Evans with water,
> adding Water Wetter for corrosion protection.
> >>
> >>
> >>
> >> I don?t have the numbers off the top of my head but the specific heat
> (or ability to transfer heat) of water is 1.00 while Evans is something
> like .65 or only 2/3 that of water. For me, Evans just did not do the job.
> From my experience I?d say one would have to be exceptionally brave to use
> it, especially with a stock radiator system or with a more powerful engine
> which will place even more demand on the Tiger?s weak cooling system. (BTW
> in the Tiger we drove on that trip, we had removed the stock block under
> the carb that hot radiator fluid passes through which probably have made
> even more of a problem.)
> >>
> >>
> >>
> >> Buck Trippel
> >>
> >> Ps I wrote up some of this years ago and I believe it contained a more
> detailed account of Evans heating issues on the trip ? I think it was
> published in both the TEAE and CAT newletters.
> >>
> >>
> >>
> >>
> >>
> >> From: Tigers <tigers-bounces at autox.team.net <mailto:
> tigers-bounces at autox.team.net>> On Behalf Of Dr. T. Y. McDowell
> >> Sent: Saturday, July 2, 2022 5:06 AM
> >> To: Tiger's List <tigers at autox.team.net <mailto:tigers at autox.team.net>>
> >> Subject: [Tigers] Evans Waterless Cooling
> >>
> >>
> >>
> >> Is anyone out there in Tigerland using Evans Waterless Coolant?
> >>
> >> It has a boiling point of 375 (F). I'd like to hear from anyone who's
> using it as I'm considering it.
> >>
> >>
> >>
> >> Thanks in advance,
> >>
> >>
> >>
> >> Tym McDowell
> >>
> >> _______________________________________________
> >>
> >> tigers at autox.team.net <mailto:tigers at autox.team.net>
> >>
> >> Donate: http://www.team.net/donate.html <
> http://www.team.net/donate.html>
> >> Archive: http://www.team.net/pipermail/tigers <
> http://www.team.net/pipermail/tigers> http://autox.team.net/archive <
> http://autox.team.net/archive>
> >>
> >> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/owain.lloyd@gmail.com <
> http://autox.team.net/mailman/options/tigers/owain.lloyd@gmail.com>
> >>
> >>
> >> _______________________________________________
> >>
> >> tigers at autox.team.net <mailto:tigers at autox.team.net>
> >>
> >> Donate: http://www.team.net/donate.html <
> http://www.team.net/donate.html>
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> >>
> >> Unsubscribe:
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> >
> > End of Tigers Digest, Vol 15, Issue 218
> > ***************************************
>
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>
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>
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>
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>
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