Actualy this only used to be good for carburated
motors. With EFI port injection, mirror polish won't
hurt anything. In fact, extrude honing leaves pretty
much a mirror finnish.
Even though the heat tranfer stuff does not really
work out, keeping the manifold cooler does seem to
help on sevral cars where I experemnted with taking
the hot water out of the manifold.
Less power loss after repeated dyno pulls seems to be
the effect.
Mike
--- Richard Cranium <[EMAIL PROTECTED]> wrote:
During this time, ideally, the airflow
> exhibits either laminar
> >flow or laminar flow with a very small amount of
> boundary layer turbulence.
> >(BTW this turbulence is GOOD and is the reason why
> you don't polish your
> >intakes
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