[s-cars] 3B and AAN oil pan incompatibility

QSHIPQ at aol.com QSHIPQ at aol.com
Mon Mar 25 19:22:34 EST 2002

Not sure what you are trying to do, I don't believe the oil pickup is the 
same on the pan, nor is it the same on the block (AAN uses oring, the 3b a 
gasket, and the pipe goes to a different locale in the pan).  If I remember 
correctly the "restrictor" is already in the 3b motor, it's just a different 
design than the AAN.  You should be safe using 034103623 in the 3b.  The only 
time I've run into this is using the replacement block from audi which is 
machined for the oring attachment (hence AAN pan), not the gasket type.  I'm 
also fairly certain you *can* use the "restrictor" ...623A, but to do so, you 
will need a bunch of AAN type parts, specifically adding to your list the oil 
pickup and pan from the AAN.  To be clear, the gaskets for both pans are the 
same, the difference is that you will require more than just 623A if doing a 
3B to AAN conversion.  Since the restrictor on the 3B is a baffle, I really 
don't think it's worth the trouble or expense in converting the 3B to the AAN 


Scott Justusson
QSHIPQ Performance Tuning
In a message dated 3/25/02 4:09:06 PM Central Standard Time, 
t44tq at mindspring.com writes:

Hi listers,
I'm unhappy to report that using an AAN windage tray is not possible
w/ a 3B engine, regardless of what I've been told. The oil pickup
support, dipstick and other stuff interfere, requiring pretty much
the entire windage tray to be cut in order to make it fit, which is
no good.

If you've BTDT and successfully fitted an AAN windage tray to a 3B,
I'd like to know _exactly_ what you've done to make it work, because
to my knowledge now, it definitely does not work. Removing the oil
pickup support is not an option, according to my mechanic- subsequent
failure of the pickup due to stress would cause instant loss of oil
pressure, a very bad result.

At least my dealership accepted my parts return.


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