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Originally Posted by elwaupo
Yes mine is an 8.5, what upgrades did you do to yours?
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stock 67-70 camaro's were 8.2" rears!!! the 8.5 didnt arrive until 72 in the Novas and fit the 67-69 camaro's look at the rear cover - this will tell you alot if you have stock 8.2 look for a 72-78 Nova, Apollo, Ventua, omega equivalent and make sure its has the big ears at 8 and 4 as in middle picture.
The pinion in a 8.5" is larger and uses same pinion bearings as the 12 bolts do
and is the reason they stopped making the 12 bolt car rear ends the 8.5 was the new HD rear end although with only 28 spline axles