81 Audi Coupe, Callaway edition

[Ti Kan]

David writes:
> I have found out some potentially bad news. The current owner believes
> the exhaust manifold and turbo were removed and placed by a stock I5
> manifold (he is not very familiar with forced induction cars and very
> unfamiliar with CGTs in general). The boost gauge still moves when he
> hits the throttle, but its like it goes from 20 in the left side to
> zero. It still has all the other Callaway stuff including the piggyback
> injector(s?). It even still has the Callaway badged intake. So, any
> clue how hard it would be to source the missing exhaust manifold and
> IHI turbo with integral wastegate? If it would be very hard to find,
> any thoughts on what else could be used to get this puppy back to forced
> induction in as close to "right" as possible?

The IHI turbo should not be too difficult to source, but the custom
Callaway exhaust manifold is going to be a rare find.  If you can't
get a replacement anywhere, maybe an option is to have a header
fabricated?

-Ti