If I understand correctly, the V8 guys are tapping into the front of the
block at high pressure to get fresh cool water to the rear of the
block. This will be different from tapping from the heater outlet to
the suction side of the pump. I know that Bob Kramer and other do this.
Personally, I like the approach Mordy takes on his gaskets, i.e. smaller
front holes and larger rear holes.
Jack W. Drews wrote:
>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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