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Mike Semeniuk · 10-18-2012, 04:40 PM

Unless it has been changed out - it should be an 8.5. The 8.2 has an oiling detail on the top half of the cover ( like the 12 bolt) , and the 8.5 has a pronounced bulge in the cover to accomodate the crown gear, it also has 2 pointed ears on either side of the diff protruding on the bottom.

10-18-2012, 04:40 PM	#4
Mike Semeniuk Junior Member Join Date: Aug 2004 Location: Sherwood Park, Alberta Posts: 99 Likes: 19 Liked 6 Times in 2 Posts	Re: 10 Bolt Chevy Rear.....8.2 0r 8.5 Unless it has been changed out - it should be an 8.5. The 8.2 has an oiling detail on the top half of the cover ( like the 12 bolt) , and the 8.5 has a pronounced bulge in the cover to accomodate the crown gear, it also has 2 pointed ears on either side of the diff protruding on the bottom. __________________ Mike Semeniuk 632 GTMA