need some help
Thread Starter
Launching!
Joined: Sep 2007
Posts: 208
Likes: 0
From: tacoma, wa
need some help ok so my door codes say my car came from the factory with 3.23's but i have a feeling the rear end is from a junk yard. is there anyway i can tell a 3 series between a 2 series by looking at the diff.?
Joined: Aug 2007
Posts: 24,241
Likes: 89
From: Turnin' Wrenches Infractions: 005
do a search for cruise speeds vs. gear vs. rpm. my 3.23 cruises in OD at 68 at 2K even with the 4L60e. or you could jack the car up and spin the driveshaft and tire and count the turns.
