It's official, a 2.3 4000 quattro is amazing....

[Brendan/Coolian]

> >To sum up, I (a very general "I") took a 2.3 NF-code engine from an 88 5000
> >quattro, had it rebuilt, and reassembled it. Then I threw it into my 4kq
> >and started it up. What a difference!
>
>You said you didn't switch harnesses or ECUs.  This means you're now
>running the high compression motor without the factory knock sensing
>system...  Perhaps in cool climates that's fine, but detonation is
>likely in hot conditions!  Premium fuel and perhaps some octane booster
>are a must now to get a better margin of safety.

I always run 93+ octane....never heard of a problem in a hot climate...A 
few others have done this with no prob w/o switching the harness....I know 
Semple runs his lightweight with the same deal as mine.

********************************
Brendan Barry
http://www.endosquid.com/audi
Boston, Massachusetts
1987 Audi 4000 quattro - "Suzanne"
* Red\Leather/Bitchy *
--Now using an NF-code Smurf engine--