> It's OK to have ram air and cold air intakes, but I want 'em to shut off
> at idle and light throttle. The stock preheat, properly connected, uses
> intake manifold vacuum to close the diverter valve and admit hot air. When
> you floor it, the vacuum goes away, and the diverter door opens to cold air,
> exactly as you want.
>
Well put Rick!
Steve
> at idle and light throttle. The stock preheat, properly connected, uses
> intake manifold vacuum to close the diverter valve and admit hot air. When
> you floor it, the vacuum goes away, and the diverter door opens to cold air,
> exactly as you want.
>
Well put Rick!
Steve
