Why not just get a used heater core out of an old GM or Ford and put it
inline somewhere that it is getting airflow, alternate make a zig-zag
pipe configuration under your van from 1 1/2 Copper rigid pipe , like
four uturns three feet long. It will be under your van and in the
airflow, also out of your way unless you're adjusting your emergency
brake.

On Wed, 16 May 2001 12:54:45 -0500 Chris Stann <ChrisS@INFORMS.com>
writes:
> >huh.  thats interesting too.
> >when you pull coolant into the heater core, is it not going to the
> radiator?
> >i thought that it would only take some of the coolant, and you
> would have
> >coolant going to the radiator and the heater core, ie two heat
> exchangers
> >working on the same amount of coolant instead of one (the radiator)
> ....
>
> Exactly!  The turn-your-heater-on method of cooling down the engine,
> but not
> the occupants, has long been used by rally car drivers.  Besides,
> when you
> open the heater valve, you instantly dump whatever cold coolant is
> in the
> heat exchanger into the cooling system.
>
> Chris,
>
> '85 Westy in Fridayland.

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