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Discussion Starter #1
hi, i'm looking for a 12 bolt for my camaro and i was wondering which year trans-ams have 12 bolts?
theres a guy around my neighborhood with a trans-am i talked to about a 12bolt, but he doesnt remember if it has one or not, and i wont be able to find out until late tomorrow from him.
 

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Just the first gen and 70 1/2 firebirds could have the 12 bolt. Trans Ams didnt come to exist until late 71 or 72 so I beleave no Trans Ams came with a 12 bolt stock.

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70 camaro 307 (350soon) /350th
 

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The '69-'70 T/A had the 8.2 Pontiac/Buick 10 bolt. Later T/As had the 8.5 10 bolt.

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'69 RS/SS396 pro street
427/4spd/9"
Byars Performance
High Performance Drive Train Parts And Service
www.lubedealer.com/biggearhead
 

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I forgot about that BOP axle. Thats right GM started switching all cars to corprate parts in 71. So no pontiacs ever came with 12 bolt chevy rear ends. I guess your stuck with finding a 12 bolt from a 70 1/2 camaro. Good luck on that.

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70 camaro 307 (350soon) /350th
 

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Do you really need the 12 bolt, or is it just something you want. I have seen 10 bolts in 9 sec and 1 in a 8 sec car that even had a tranny brake. I believe that if you redo a 10 (8.5" version)with some high quality parts they can take some serious torture. Most of my friends and I run 10 bolts in our street and drag cars. We do have them fail on us occasionally, but not anything that can't be expected from any rearend 10 bolt or 12 bolt. I'm not saying go build a 10 and it will take whatever you throw at it, but if done right they can take some abuse.
 

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Discussion Starter #6
yeah, i dont want to worry about breaking the rear.
thanks for the info guys.
 
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