[urq] AAN swap!

[Brandon Rogers]

Good intentions, all, but I think there is a little misinformation below.

For an urq-20Vt (3B) swap - you can use the 3B clutch/flywheel and it bolts
up to the urq 016 transmission. BTDT.
You can use the completely stock urq A/C system including the mounting
bracket.  I personally modified "the big line" because of the 3B intake
manifold. BTDT.
3B oil pan requires no modification to fit. BTDT.  
Yep power steering is a fun one.  Try to find the bracket like Johnny said.
I don't believe the AAN fuel rail fits with the 3B IM - so- you'll need to
get a 3B fuel rail - which requires a different FPR than AAN.  You'll want a
7A FPR I think.
Depending on what you do for an EM - intake plumbing can be a hassle.
Will need to relocate PS fluid reservoir - an inch or so
Tons of little things....
Basically I would suggest using the AAN long block and all 3B ancillaries.
V-belt pulley, coolant manifold, intake manifold, fuel rail, etc.

Brandon
'84 ur-quattro 20Vt

 
 


-----Original Message-----
From: urq-bounces at audifans.com [mailto:urq-bounces at audifans.com] On Behalf
Of Johnny B
Sent: Thursday, December 16, 2010 10:39 AM
To: k.zoltan at comcast.net; urq
Subject: Re: [urq] AAN swap!



Well, the AAN makes it a bit more involved then if using all 3B components.
I know on the 20vT 3B swap you'd use a 200 flywheel along with a 5k turbo
clutch disk. You'll need to remove the 3B oil pan and run a 7A 20v
(naturally aspirated) pan for clearance. To keep the A/C you will need the
relocation bracket used on the stock ur-q (moving the compressor over
towards the front of the radiator). Dont forget you will need some various
sensors from the AAN donor (specifically the altitude sensor will calibrate
the ECU, normally under the dash).

You will also need a relocation bracket for the power steering pump. Some
have sold them on motorgeek (actually a member here was producing them,
however I have been unable to get a response regarding the brackets). You
cannot use the AAN power steering pump because of the increased pressure it
puts out. 

Intercooler/Oil cooler fitment will be tight (custom plumbing will be
needed), especially if retaining the a/c. Wiring will be the most daunting
part of the swap, you'll need to retain the AAN FPR as well. 

Good luck! Remember to keep some cash in the bank for the unexpecteds, and
try to give yourself a good 3 month down time on the car to cover
everything. yes, the swap can be done in a month, but rushing through
something like this will just create tons of headaches down the road. 

Johnny
Pre95

> Date: Thu, 16 Dec 2010 16:25:21 +0000
> From: k.zoltan at comcast.net
> To: urq at audifans.com
> Subject: [urq] AAN swap!
> 
> Hi all back with some more questions,im thinking of doing a motor swap 
> in my 85 urquattro purchased a AAN engine+harness+ecu,also picked up a 3b
intake manifold,3b oil pan.
> What else do i need,and i would like to keep the a/c .My other question is
i know the AAN will mount up to my urquattro transmission but what kind of
clutch setup do i need to make it work? 
> 
> Thanks Zoltan
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