[TR] [EXTERNAL] - Re: Radiator overflow bottle

David Templeton davidt at opentext.com
Thu Jan 4 08:28:57 MST 2018


There is a cap on it.  So I am assuming there is some kind of breather hole to allow the pressure to release.  As for the rad itself, I have switched to the aluminum wizard cooling one and running a 7lb cap like on the tr6.  I am assuming, hopefully correctly, it will act like the ‘4 or ‘6

From: Geo Hahn [mailto:ahwahneetr at gmail.com]
Sent: Thursday, January 4, 2018 10:22 AM
To: David Templeton <davidt at opentext.com>
Cc: triumphs at autox.team.net
Subject: Re: [TR] [EXTERNAL] - Re: Radiator overflow bottle

That looks like it may be a sealed unit.  In any case I will be curious if you can get the TR3 radiator (cap) to allow coolant to be drawn back into the system.

Geo

On Wed, Jan 3, 2018 at 5:36 PM, David Templeton <davidt at opentext.com<mailto:davidt at opentext.com>> wrote:
Thank you everyone for the suggestions.  Going to give this one a try.  Even in Canadian dollars not a bad price, yeah the conversion rate sucks ☺

https://www.amazon.ca/gp/product/B07799KDL4/ref=od_aui_detailpages00?ie=UTF8&psc=1<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.amazon.ca_gp_product_B07799KDL4_ref-3Dod-5Faui-5Fdetailpages00-3Fie-3DUTF8-26psc-3D1&d=DwMFaQ&c=ZgVRmm3mf2P1-XDAyDsu4A&r=346MKQty4J9yevdUa9Fj_cT53y_74TwSRM-I7J2SFzs&m=FlOXfruFLmesxa_4n68pGC32VChKJhFTBuvlkjTkbXU&s=Zwji-BUmsUY4KhpDNVBSxy5uzjWxiMZyV8nfQYJ9lzg&e=>

And this should fit where everyone suggested as well beside the rad

David



From: Triumphs [mailto:triumphs-bounces at autox.team.net<mailto:triumphs-bounces at autox.team.net>] On Behalf Of TeriAnn J. Wakeman
Sent: Wednesday, January 3, 2018 11:16 AM
To: triumphs at autox.team.net<mailto:triumphs at autox.team.net>
Subject: [EXTERNAL] - Re: [TR] Radiator overflow bottle

My bottle and holder are from a GT6. The holder mounts on a horizontal surface so is mounted in the back right rear of the apron next to the radiator, behind the cardboard ducting.

TeriAnn

On 1/3/18 7:11 AM, Don Hiscock wrote:
My TR3B had an overflow bottle when I got it in 1981, and I kept it after restoration.  Same basic location as Randall's.

Here's "before", looking from the air filters toward the front.  Note the open space alongside the inner wing and the radiator.
https://photos.smugmug.com/photos/i-sgKkWNB/0/32b27947/X3/i-sgKkWNB-X3.jpg<https://urldefense.proofpoint.com/v2/url?u=https-3A__photos.smugmug.com_photos_i-2DsgKkWNB_0_32b27947_X3_i-2DsgKkWNB-2DX3.jpg&d=DwMDaQ&c=ZgVRmm3mf2P1-XDAyDsu4A&r=346MKQty4J9yevdUa9Fj_cT53y_74TwSRM-I7J2SFzs&m=Z0k2YwZFj0qNz-vgiBV8n2w76uCgirQDledkGTqcEWU&s=DnRM3oRWVrWyJyUItUksvePv5gwbUFmmC1OkGK-ap30&e=>

And "after".  Some of my original bits, and some new ones from TRF.
https://photos.smugmug.com/photos/i-fszqz5f/0/43c20229/X3/i-fszqz5f-X3.jpg<https://urldefense.proofpoint.com/v2/url?u=https-3A__photos.smugmug.com_photos_i-2Dfszqz5f_0_43c20229_X3_i-2Dfszqz5f-2DX3.jpg&d=DwMDaQ&c=ZgVRmm3mf2P1-XDAyDsu4A&r=346MKQty4J9yevdUa9Fj_cT53y_74TwSRM-I7J2SFzs&m=Z0k2YwZFj0qNz-vgiBV8n2w76uCgirQDledkGTqcEWU&s=JzAfgRBcB-Y6Fzpmmc3SXSnenVKdrJ9EjzBVPbbzw58&e=>


On Wed, Jan 3, 2018 at 3:29 AM, Randall <TR3driver at ca.rr.com<mailto:TR3driver at ca.rr.com>> wrote:
> I am looking for suggestions on a radiator overflow bottle configuration
> for the '3a.  I am not wanting to spend stupid money but open to
> suggestions from those who have added on to their '3.

Here's what I did.  The bottle and holder are used originals from a Stag
(same as TR6).  TRF has them new, $28 for the bottle, cap & holder.  The
holder is held to the inner wing with 1/4" bolts.

https://imgur.com/P76PBYu<https://urldefense.proofpoint.com/v2/url?u=https-3A__imgur.com_P76PBYu&d=DwMDaQ&c=ZgVRmm3mf2P1-XDAyDsu4A&r=346MKQty4J9yevdUa9Fj_cT53y_74TwSRM-I7J2SFzs&m=Z0k2YwZFj0qNz-vgiBV8n2w76uCgirQDledkGTqcEWU&s=SjAKx0wNlpaGUzpCdbUGzblQ4G_fiF3qA-4ZDuqZBgo&e=>

Not the easiest place to get to; but there is really no need to access the
bottle.  I can do the initial fill through the radiator neck (by slowly
filling it to the very top and waiting for coolant to run down the hose).
And any excess (like when a leaking head gasket blows coolant out) will
eventually run out the top.

I can get it out with the apron on, by removing the horn, but I've not yet
found a reason to do so.

I also had to get the radiator fill neck replaced with a modern one, so I
could use a recovery cap.  Never could get a stock type cap to hold vacuum,
so it would suck coolant back into the engine.  I tried several caps, tried
filling the space around the center rivet with RTV, and various rubber
gaskets; but nothing worked for me.  The modern fill neck was under $20
installed (as part of other radiator work).

And a Stant "Lev-R-Vent" cap was only $8 or so.  I like being able to vent
the system without having to loosen the cap and take a chance on it coming
off all the way.  Wasn't a TR, but I once got a shower in scalding coolant
on a cold winter day, when I didn't realize just how hot the engine was.
Fortunately I was wearing glasses, so it didn't get in my eyes.  (TR
content, we were trying to jump start a previous TR3A "barn find" with my 65
Olds.  It would NOT start, so we got the bright idea of running hot coolant
through the TR from the Olds.  Still wouldn't start!)

-- Randall


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