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Old 11-16-2008, 02:24 PM   #3
Robert Swartz
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Default Re: 8.5" GM Ten Bolt

Quote:
Originally Posted by Chipper Chapman View Post
If you're planning on spool and axles anyway, don't be scared of the ten 8.5 Once the spool and axles are in they don't know what housing is around them! A girdle cover wouldn't be a bad idea for 10 or 12 bolt. The only big downside to the 8.5 is that there isn't as big of a gear selection as the 12 bolt has.

My 2 cents
Interesting stuff here. Looking at the Summit catalogue, they offer a Moser 33 spline spool, no doubt Moser would have the axles as well. They have Richmond 4:88, 5:13, 5:38 and 5:57 gear sets. That's not a terrible selection, work fine for motors running in the 7000 rpm range. If you were running a stick car or a trans brake, might be a different story?

Just running the cost figures, could probably assemble one of these for half what you'd have in a comparable 12 bolt. The 12 bolt would have a better value as a resale point. Sounds like a few of you guys are running these rear ends, be worth looking into.
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