Jeff,
The heater air box intake is located at the base of
the windshield, a high pressure area, so this ought to
be a good place to take air. But this air has also
already passed over the length of the hood, and
probably gained some heat.
I was thinking a flexible air tube, run from the very
front of the car. It could run right into the heater
air box. Borrow a greenlee punch to cut the hole, then
pop rivet a flange for the tube to fit onto. Secure it
with a big cable clamp. The cool ram air at the front
would have nice velocity. Use some insulated air
conditioning duct to avoid heat pickup, tywrap it in
place.
A cable operated flapper could close the vent on cold
or wet days.
Just a thought.
Carter
--- Jeff McNeal <jmcneal@ohms.com> wrote:
>
> Would there be any way to force fresh air through
> the existing heater ducts,
> somehow? Does operating the fan switch without the
> heater being on already
> do this?
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