2.3 head vs. 2.2 head

Huw Powell audi at humanspeakers.com
Tue Feb 24 17:16:26 EST 2004

> Ok i see. The problem is to cut and weld the intake to fit trottle body in
> the right direction. So it ll breath better... right ?

No, the issue is that the NG and later NF heads use a completely 
different intake manifold setup, where the injectors are mounted in the 
manifold instead of the head.

A turbo engine manifold with conveniently aimed throttle body mounting 
will attach to the early NF 2.3 head with no fuss.

>>>Yes - bolts right on.  That is what I'll be doing.  You need to procure
> the intake however.
>>If it's a head from an engine with the 2 piece IM, yes (NG and some
>>later NF's).  The early NF head uses the same IM as most of the other
>>>[Do the 2.3 head bolt on MC block ? (i think NO)

Huw Powell



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