5-cyl 2.22 head interchangability

[Jim Haseltine]

You'd be surprised - N/a and turbo heads often have the same valves listed.

Jim Haseltine

----- Original Message ----- 
From: "Alan Pritchard" <alan.pritchard at rm-electrical.com>


>I believe the only differences are the lack of sodium filled exhaust
> valves?!?!!?
> -----Original Message-----
> From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
> On Behalf Of Tony Hoffman
> Another question for the collective minds here. Can a naturally
> aspirated head from say a 1985-87 4000 Q be used on a turbo (MC1)
> engine. This is a different car, trying to help out a friend. If so,
> what are the dificulties/differences involved in this subltitution.
> Obviously the vacuum pump would be one thing to deal with.