12 Bolt vs 10 Bolt Rear
Will a 10 Bolt live as well as a 12 Bolt in Stock?
What brand of gear works and survives better? D |
Re: 12 Bolt vs 10 Bolt Rear
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Re: 12 Bolt vs 10 Bolt Rear
A "built" 8.5" 10 bolt will handle quite a lot , and I think Truman Fields Firebird stick car even ran an early 8.2" 10 bolt . Most of the breakage would occur on the side gears and pinions in the differential . Since most racers run a spool and aftermarket axles , both of these axles will live OK . A 12 bolt will out live them both , and has better ratio coverage .
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Re: 12 Bolt vs 10 Bolt Rear
A close friend of mine has a 10-bolt GM in an 8.50 E.T., BB Olds-powered bracket car and has had real good luck with it, although his car is very light, however, gear selection is VERY limited. After many years running it, he is currently switching over to a 9" Ford. With no pro gears and limited ratios available for the 10-bolt, that gives the advantage to the 12-bolt. Just my .02.
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Re: 12 Bolt vs 10 Bolt Rear
Currently using 4.56's, Moser Street Axles, Mini Spool, 28 inch MT
Have a Spool and C-Clip Eliminator kit not yet installed. Considering 5.13's. with new Stocker cam |
Re: 12 Bolt vs 10 Bolt Rear
Dan, think of it this way....You will buy a 12 bolt sooner or later.....If you buy one sooner you can sell all your 10 bolt parts BEFORE they are destroyed.....Regards....
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Re: 12 Bolt vs 10 Bolt Rear
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Re: 12 Bolt vs 10 Bolt Rear
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YEAH...that was also my thinking !! Racers are living with them successful with more power than my car. d |
Re: 12 Bolt vs 10 Bolt Rear
If you're talking about the Impala SS, it'll cost you 3 Grand to put a 12 bolt in it, doing it yourself, and why?
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Re: 12 Bolt vs 10 Bolt Rear
To my knowledge there are not any Bolt in 12 bolt options for the 77-96 b body platform. You would have to use an A or G body unit and make your own upper arms, as well as change the lower bracketed a bit. Now considering the only downside to the 8.5 is gears, as the bearings, axles and even pinion size are the same as a 12 bolt, I would buy a good quality gear set and run it. You can get gears all the way to 5.57, just not pro gears. That being said my 12 bolt in the chevelle has not had pro gears for the 5 years I’ve ran it and I’ve had no issues. Your results may vary of course.
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