A lot of people in Germany have a tube from heater outlet to the front outlet
of the head.
Does work fine as far I know.
I don't have it because I still have a heater in use so I worked around by
enlaring the rear holes of the head and the rear headgasket holes...
My infrared thermometer show equal temperatures on the block and the head.
Chris
----- Original Message -----
From: "Jack W. Drews" <vinttr4@geneseo.net>
To: <fot@autox.team.net>
Sent: Saturday, January 27, 2007 5:45 PM
Subject: [Fot] TR4 cooling
> Annual cooling question:
>
> I spent some time conferring with my local race shop yesterday about
> a job that I'm working on. I related to the genuine expert that we
> had problems with water circulation and the rear of the engine
> running hotter than the front. He said "Come with me" and took me to
> a room with six ready-for-delivery Chevy and Ford V8's headed for the
> circle tracks. He told me that the problem I described is common in
> V8's also, and showed me what they do to minimize it -- they run a
> coolant line from the rear of the block to the front of the block. On
> some engines they do it on each bank. It's pretty small, like 8AN or 10 AN.
>
> This could easily be done on our cars by running a line from the
> heater outlet on the top of the head at the rear, around to the
> fitting in the water pump housing that normally is used for the
> heater return water. Seems like a good idea, but seems like a pretty
> small hose.
>
> Question -- has anyone tried this on a TR engine, and did it do any good?
>
> uncle jack
>
>
>
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