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Total 15 documents matching your query.

1. [TR] Radiator Caps (score: 1)
Author: keithstewart at execulink.com (Keith Stewart)
Date: Fri, 16 Mar 2012 19:57:09 -0400
So, the TR2 through TR4A engines all have the same derivation. The TR2 through TR3A engines use a 4lb cap and the TR4 through TR4A engines use a 7 lb cap. What is the deciding factor that makes the d
/html/triumphs/2012-03/msg00317.html (8,187 bytes)

2. [TR] Radiator Caps (score: 1)
Author: tr3driver at ca.rr.com (Randall)
Date: Fri, 16 Mar 2012 17:35:31 -0700
Personally, I suspect there was no real reason except they originally thought 4 psi was enough, and later decided that 7 psi was better. But others think it was due to the change in heater design. T
/html/triumphs/2012-03/msg00320.html (9,017 bytes)

3. [TR] Radiator Caps (score: 1)
Author: keithstewart at execulink.com (Keith Stewart)
Date: Fri, 16 Mar 2012 20:58:50 -0400
used They And so, if the heater in a TR3 (57) was exchanged for that from a Spitfire - I think Bob Schaller did it to this car when he worked on it in Arizona - because supposedly that was an upgrade
/html/triumphs/2012-03/msg00321.html (9,875 bytes)

4. [TR] Radiator Caps (score: 1)
Author: wbeech at flash.net (wbeech at flash.net)
Date: Fri, 16 Mar 2012 21:22:23 -0500
So, If I read this thread correctly I should have no problems switching to a 7lb or even 10lb cap in my 1958 TR3 or the 1962 TR engined Morgan that I maintain for a friend? Neither of us has heaters
/html/triumphs/2012-03/msg00325.html (11,291 bytes)

5. [TR] Radiator Caps (score: 1)
Author: tjwakeman at gmail.com (TeriAnn J. Wakeman)
Date: Sat, 17 Mar 2012 05:48:58 -0700
But where would you find a 7 lb cap that would work with a TR3 radiator neck? My heater is disconnected just because I haven't found a good way to plumb the hose past the DOCEs and when it is cold en
/html/triumphs/2012-03/msg00329.html (9,345 bytes)

6. [TR] Radiator Caps (score: 1)
Author: tr4a2712 at yahoo.com (Cosmo Kramer)
Date: Sat, 17 Mar 2012 07:28:07 -0700 (PDT)
So, the TR2 through TR4A engines all have the same derivation. The TR2 through TR3A engines use a 4lb cap and the TR4 through TR4A engines use a 7 lb cap. What is the deciding factor that makes the d
/html/triumphs/2012-03/msg00330.html (8,852 bytes)

7. [TR] Radiator Caps (score: 1)
Author: keithstewart at execulink.com (Keith Stewart)
Date: Sat, 17 Mar 2012 11:39:43 -0400
On Sat, 17 Mar 2012, at 8:48 AM, "TeriAnn J. Wakeman" <tjwakeman at gmail.com> wrote: Am I missing something here? TRF - and I assume the others sell the 7 lb cap. The TR3 rad is the same as the earl
/html/triumphs/2012-03/msg00332.html (8,594 bytes)

8. [TR] Radiator Caps (score: 1)
Author: tjwakeman at gmail.com (TeriAnn J. Wakeman)
Date: Sat, 17 Mar 2012 09:03:43 -0700
I don't know anything about TR4 radiators and assumed that they may have the standard neck height. So can I use a TR4 radiator cap on a TR3?? Teriann
/html/triumphs/2012-03/msg00333.html (8,912 bytes)

9. [TR] Radiator Caps (score: 1)
Author: TR3driver at ca.rr.com (Randall)
Date: Sat, 17 Mar 2012 09:29:02 -0700
Early TR4 used the same 1" reach neck as the TR3. However at some point, the radiator changed and the later radiator used a 3/4" reach neck (similar to many other cars). The later cap will screw on
/html/triumphs/2012-03/msg00335.html (9,538 bytes)

10. [TR] Radiator Caps (score: 1)
Author: TR3driver at ca.rr.com (Randall)
Date: Sat, 17 Mar 2012 09:41:01 -0700
Something that complicates this picture: The pressure is not constant throughout the system when the engine is running. In order to circulate the water, the water pump has to create a pressure diffe
/html/triumphs/2012-03/msg00337.html (9,120 bytes)

11. [TR] Radiator Caps (score: 1)
Author: TR3driver at ca.rr.com (Randall)
Date: Sat, 17 Mar 2012 12:02:01 -0700
I do have one caveat : I had a bit of a run of radiator hose failures that might possibly be related to the increased pressure. I think they were probably due to other factors (eg bad motor mounts,
/html/triumphs/2012-03/msg00339.html (9,336 bytes)

12. [TR] Radiator Caps (score: 1)
Author: TR3driver at ca.rr.com (Randall)
Date: Sat, 17 Mar 2012 12:15:24 -0700
IMO, only if you need the extra margin before the coolant boils. The stock system actually works pretty good if everything is in good shape (most of my modifications were made while fighting with wh
/html/triumphs/2012-03/msg00341.html (8,933 bytes)

13. [TR] Radiator Caps (score: 1)
Author: pdonnel1 at san.rr.com (John & Pat Donnelly)
Date: Sat, 17 Mar 2012 13:14:36 -0700
Which ones, the racing blue ones? Is making the bends an issue? Johnnie I'm currently trying out one of the "heavy duty" upper hoses
/html/triumphs/2012-03/msg00342.html (8,983 bytes)

14. [TR] Radiator Caps (score: 1)
Author: TR3driver at ca.rr.com (Randall)
Date: Sat, 17 Mar 2012 19:35:48 -0700
It's Gates P/N 23511, which they call "Green Stripe Vibraflex": http://goo.gl/GAN4L I got it from the RockAuto web site: http://goo.gl/Db1L7 (Give it time, their web site is very slow, but that link
/html/triumphs/2012-03/msg00347.html (9,171 bytes)

15. [TR] Radiator Caps (score: 1)
Author: Catpusher at aol.com (Catpusher at aol.com)
Date: Sun, 18 Mar 2012 00:03:51 -0400 (EDT)
Joe Huffaker told me that he found 50 + + psi was the reason for GM V8 core plugs being expelled from the blocks at high RPM.. I made a "long neck" 7 psi cap for my racing TR3 by adding an extra spri
/html/triumphs/2012-03/msg00348.html (8,866 bytes)


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