WTB Stock 10bolt
Last edited by 200kTA; Jun 5, 2006 at 06:24 PM.
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The Best V8 Stories One Small Block at Time
Its a 4 channel. I wanted it, but I need a 3 channel.
if its a v6 look for the RPO code Y87 that will at least tell you if its got a Posi..
then look for the RPO for the gear..
GU4=3.08
GU5=3.23
GU6=3.42
v6's 95 and before were I believe all 3.08 open rears.
v6's after 96 went like this..
A4 with the Y87 it will have a 3.42 Posi rear
M5 with the Y87 will have a 3.23 posi
if its does NOT have the Y87 RPO it will be an OPEN diff (no posi) A4's had 3.08 gear.. M5's had 3.23
ohh and they were the exact same rearends in the v6's and v8 and are interchangeable with eachother just the same as the v8's. just got to watch the backing plates on the v6's because of the drum brakes many of them had.





