posi unit
February 3rd, 2008, 09:41 PM
#1
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Join Date: Dec 2007
Location: San Francisco bay area
Posts: 330
posi unit
Hello all, I want to install a posi unit into my 72 cutlass supreme and I was wondering what is in the back.Do olds commonly use 10 bolt 8.5 in the rear? If so,Then what cars are compatible?
February 5th, 2008, 10:08 AM
#2
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Join Date: Oct 2007
Location: Willoughby ohio
Posts: 69
If it is the original rearend it should have a 8.5 corporate rearend. If you need a complete posi changeover i have one in 3:42 gear ratio. Everything you need to change it over bearings, posi unit and setup tool and new richmong gears. lumanutt@msn.com
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