[JMSTOY]

NO IDEA what this rear end is! There is some numbers stamped below the cover, but that is all I can find. Numbers are 9/99700 and H209. It is 10 bolt, thats all I got. Thanks!!!

[Centerline]

Looks like a GM 8.2 or 8.5 to me.

Centerline
HotRodsAndHemis.com

"Remember, if you didn't put it together with your own hands, its not really yours." - Tim Allen

[SSedan64]

8.5" 10-Bolt with Open Carrier. Ratio is stamped on Ring Gear, 41-12 = 3.42 etc...
How wide is it Wheel Mounting surface to WMS? If 58" it's out of a G-Body, wider would be a B-Body. *H209* probably July-20th,89 would be a B-Body.

Look on the Axle Tube for code:
Location >> http://tech.oldsgmail.com/axle_useage.php
http://www.gnttype.org/numbers/axcodes.html

[JMSTOY]

Ok, I'll go with that. 8.5 10 bolt Open carrier. Looks like all the material I pulled up on it, thanks a lot! Now, can someone or a group of someones educate me on this rear end? I have no idea if this is a good rear end or not. From what I've read, its good. But I would like some real input, not internet answers. Thanks from the newbie!!!

Originally Posted by SSedan64

8.5" 10-Bolt with Open Carrier. Ratio is stamped on Ring Gear, 41-12 = 3.42 etc...
How wide is it Wheel Mounting surface to WMS? If 58" it's out of a G-Body, wider would be a B-Body. *H209* probably July-20th,89 would be a B-Body.

Look on the Axle Tube for code:
Location >> http://tech.oldsgmail.com/axle_useage.php
http://www.gnttype.org/numbers/axcodes.html

[SSedan64]

Unlike the 7.5" and 8.2" 10-Bolt, the 8.5" 10-Bolt is a very strong Rear.
The 8.5" has the same 1.625" diameter Pinion as the 8.875" 12-Bolt.
The 8.5" comes stock with 28 & 30-spline Axles & Carriers, 28-spline can be upgraded to 30-spline Carrier & Axles. The 8.5" Ring Gear is only .375" or 3/8" smaller than the 8.875" 12-Bolt Rear. A Girdle Cover is another strength upgrade.

http://www.chevyhiperformance.com/te...all/index.html

What other Info do you need? Maybe I or someone else can help find it.

Todd

[JMSTOY]

Thank you all for the help! Great info, got me on the right track! Thanks!

[TexasT]

i'm not sure but it looks like the 7.5" with the fangs in the third pic. Do you have a better view of that area? Do you know what the rear came out of?

[SSedan64]

I think you're right Texas, it does look like a 7.5" 10-Bolt.
It's not a Chevy Rear, the area on the Housing where the tubes inter is what threw me, Cover also looks like a Buick or Olds Rear, probably a B-Body.
Should also be more numbers on opposite side of Webs, Casting#.

[a67tempest455]

It looks like a Buick Olds Pontiac 10 bolt out of an early A body car. are the axles retained with C clips? it they are its a chevy rear, if not its the BOP. looks identical to the rear in my 67 pontiac tempest. its a decent rear with good aftermarket support.

[cobalt327]

Originally Posted by a67tempest455

It looks like a Buick Olds Pontiac 10 bolt out of an early A body car. are the axles retained with C clips? it they are its a chevy rear, if not its the BOP. looks identical to the rear in my 67 pontiac tempest. its a decent rear with good aftermarket support.

It would be basically identical to your rear end, you are right. The 8-1/2" and 7-1/2"/7.625" covers don't have cut-outs like the 'Pontiac' 8.2" cover. Not all 8.2" covers have the crease on them. Also the caps are different along w/the pinion nut size and axle retention as already mentioned.

The date code (H209) will make this a '69 rear end. There should be a code stamped into the axle tube.

[gearman50]

Originally Posted by JMSTOY

NO IDEA what this rear end is! There is some numbers stamped below the cover, but that is all I can find. Numbers are 9/99700 and H209. It is 10 bolt, thats all I got. Thanks!!!

what you have is a 8.2 bop meaning its out of a buick pontiac or olds there diffferent than a gm 8.2,I rebuild alot of them for early GTO's,442's ect

[JMSTOY]

You guys are great! I looked up some more stuff after yall pointed me in the right direction. It's a 8.2 bop. It is out of a 69 GTO Tempest Lemans. Thanks!!!