[Fot] TR4 cooling

[Jack W. Drews]

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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