Jordan :
Both the fitting at the back of the head and the one in the water pump
housing are standard plumbing threads, 3/8" NPT. I've run my car this
way for many years, and in fact one of my previous TR3As was delivered
this way from the factory (without the optional heater). For a
temporary solution, you can just connect a 1/2" heater hose from one
pipe to the other.
Randall
59 TR3A daily driver
Lakewood, CA
jordan hess von kluck wrote:
>
> Listers -
> Does anyone know if it is possible / a good idea or a bad idea to
> put plumbing caps in or block off in another manner the inlet and outlet
> to the heater on the head and the water pump? (Or bypass it by just
> connecting a hose from the head to the pump?) Or better yet if anyone has
> done this for a race configuration and knows the thread sizes off hand -
> that would be great. This would merely be a temporary fix to start the
> engine and drive it for short distances until the machine shop gets the
> heater control valve back to me...
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