> Do you drive 70+ on the
> >highway with the AC on then pull into a rest area and instantly turn off
> >the engine?
> >
>
> Whats that all about???
 I'm probably talking out of turn, but, I think he means a 2 minute cool
down (run at idle for 2 minutes) before shutting the engine off. You should
always do that with a turbo to keep from cokeing up the bearings of the
compressor. It doesn't hurt with normally asperated engines either.
Ken Nelson