Identification on 10 bolt 8.5 rear-end - Team Camaro Tech
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post #1 of 9 (permalink) Old Nov 5th, 02, 02:53 PM Thread Starter
 
Join Date: Nov 2002
Location: SC
Posts: 10
I need some help!
I am wanting to get a 10 bolt 8.5 rear-end.
I am planning to go to a junkyard to find one
I know how to tell if it is a 10 bolt, but how do i tell if it is a 7.6, 8.2, or a 8.5? If you need to know i have a 81 ss elcamino with a 7.6 rear-end. Also,maybe could you tell me what car i could find a 10 bolt 8.5 that would fit my car. If you could help THANK YOU
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post #2 of 9 (permalink) Old Nov 5th, 02, 02:57 PM
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Jeff
 
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More than likely you will find an answer here on Team Camaro from one of the folks but I also posted your request over on the Team Chevelle site also. http://www.chevelles.com/forum/Forum28/HTML/001954.html
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post #3 of 9 (permalink) Old Nov 5th, 02, 04:05 PM
 
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I think the early 70's Nova's had the 8.5 rear(72 to 74). The 8.5 rear has a "tit" on the lower left and lower right side of the differential that is not seen on the other ten bolts.
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post #4 of 9 (permalink) Old Nov 5th, 02, 04:14 PM
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The elky is a G body setup, 4 link suspension. Only cars I know of with an 8.5 that would fit that car would be the GN or 442 of the 85-87 era. Monte SS still had the 7.5 rear.

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post #5 of 9 (permalink) Old Nov 5th, 02, 04:37 PM
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Sean
 
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although probably not useful info for your situation, i have a nova 8.5 in my camaro, and the posi unit came out of i believe a late 80's early 90's caprice, its a control arm rear end and an 8.5, but i'm sure its too wide for you. the thing is still sitting behind my garage in fact. just letting you know, maybe another possibility. good luck
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post #6 of 9 (permalink) Old Nov 5th, 02, 05:10 PM
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Chester
 
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Fathead, go to drivetraindirect.com then go to the "things to know" under the home drop down. You can take it from there. I think you are looking for the Corporate rear end 8.5 in beginning in the early 70's. There is a good article on-line at www.hotrod.com titled "Budget 10-Bolt Upgrade" the article reccomends a 72 - 75 Nova as a straight swap for a 1st gen Camaro. You can pull the axel codes from some of the Nova sites. This will help in you search. Hope this helps.
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post #7 of 9 (permalink) Old Nov 5th, 02, 05:46 PM
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Brad
 
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If you hit the search button on this site (upper right hand corner) and look for "8.5 10 bolt" you will have about 1 hour of reading. I have just done the swap with a 73 nova rear, 80 camaro 3 series diff, and 79 T/A 3.42 gears. After I had the internal rebuild done for me, I was able to get away for about $400.

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post #8 of 9 (permalink) Old Nov 6th, 02, 11:33 AM Thread Starter
 
Join Date: Nov 2002
Location: SC
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I want to thank everyone for their useful information.
But i had no luck finding a rear-end in the junkyard.
My next question is does anyone know if they make a mini spool or a locker of some kind that would fit a 7.625 or 7 5/8.(sorry i told most of you that it was a 7.5.)

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post #9 of 9 (permalink) Old Nov 6th, 02, 12:50 PM
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Freddie
 
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Like Dave said, Buick Grand National is the only car with a 8.5 that will bolt in your El Camino. I have built some 12 bolt Chevelle rear ends to fit these cars, but they have to be narrowed and have the lower controll arm brackets replaced. The same thing would go for a 8.5 from a early-mid '70s Monte Carlo, Cutlass or other GM car.

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