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#9: 11-08-2012, 08:48 AM
Title: Senior Member
Location: MA
Car: 2007 Stg 2 Spec.B
Posts: 240
iTrader: (0)
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Here its saying that the front diff is a 3.9 final drive and the rear is a 3.545 final drive so the center diff has to do some kind of manipulation. It doesnt go into detail on the year but i thought that some years of STis had a 3.9 rear as well.

I thought the spec.b was a 3.9 rear.