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Posted: 1/16/2006 8:42:56 AM EDT
This pic is from an '86 Trans-Am I'm looking to buy. I have it on good authority that this is a 9-bolt. It didn't look quite like a typical 10 or 12 bolt due to the a-symmetrical shape. Also, does the sway-bar look a little "oversized" to anybody else? Thanks. MJD
Link Posted: 1/16/2006 3:52:40 PM EDT
from the pic it looks like a dana 44, used on many gm's. it would be a ten bolt rear cover and slightly under ten and one half inches wide.

sorry for my poor grammar, my keyboard lost some letters, numbers, and cap lock...
Link Posted: 1/16/2006 5:22:30 PM EDT
Looks like a normal swaybar to me. Also it's not a 9 bolt its a 9". Let me do a little research.
Link Posted: 1/16/2006 5:31:36 PM EDT
After a little looking I would say its a Dana 44 as well. Definately not a nine inch but a good step up from the crappy 7.5" the 3rd gen F-bodies had. Strange to see a Dana in an F-Body though.
Link Posted: 1/16/2006 5:43:20 PM EDT
GM halted use of the 12 bolt around 80' I think, at least they did for pickups. The 12 bolt had a 8-7/8's ring gear, the 10 bolt uses a 8.5". That cover kinda looks like a Dana. The Dana 44 had a 8.5" ring gear IIRC. It could be a Dana 60 semi-floating rear axle, the Dana 60 used a 9.75" diameter gear. Google "rear axle identification" and see what you get.
Link Posted: 1/17/2006 6:30:14 PM EDT
A Dana 44 and the GM corp "10 Bolt" were damn near identical.

http://thirdgen.org


Look around the 3rg gen forums, they might have the answer.
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