[Es2] 3B vs. AAN

Peter Schulz pcschulz at comcast.net
Wed Feb 18 10:02:04 EST 2004

At 08:42 AM 2/18/2004, you wrote:
>What are the main transplant issues concerning choosing 3B versus AAN?
>Es2 mailing list
>Es2 at audifans.com


Wiring harness and plumbing.

the 3b uses the same style harness connectors as the B3 Audis.

the AAN uses the same as the B4

The plumbing is different for the AAN which means that may need to modify 
the IM, move the CQ radiator ( angle it so that the intake and TB clear the 
radiator) or replace it with a 3b/S2/ or front mounted one ala MTM, SQ, or 

You also need to deal with front snub mount issues amongst others (3b is a 
drop in, AAN uses a different location due to the AAN having a front 
mounted radiator and different style front cross member...



Peter Schulz
1990 CQ (perpetually awaiting S2 3b engine transplant)
1991 200 20v TQW indigo mica
1991 200 20v TQW titanium grey
Chelmsford, MA USA
peter at audifans.com 

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