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What exactly makes a 10 bolt weak?

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Old Nov 12, 2005 | 08:49 AM
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Default What exactly makes a 10 bolt weak?

I know that there are probably several things, but I was wondering if it would actually be a benefit to try and beef it up...or just drop the cash on a 9'.
Anyone know what makes these things so flimsy/breakable?
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Old Nov 12, 2005 | 09:47 AM
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Originally Posted by orangeapeel
I know that there are probably several things, but I was wondering if it would actually be a benefit to try and beef it up...or just drop the cash on a 9'.
Anyone know what makes these things so flimsy/breakable?
I think it is mainly that it has a 7.5 inch ring gear & you can't change that. The 9" has a 9 inch ring gear & is much stronger. Chev made a 8.5" 10 bolt on Grand Nationals that was pretty stout but gave us the 7.5 on our cars
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Old Nov 12, 2005 | 10:33 AM
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I've also heard alot of bad things about the case being weak and having excessive flex. code4 is right about the small ring gear...upgrade to a 3.73 or 4.11 and you have more teeth on that same small space and it gets even weaker. Some people have twisted axle tubes in the housing, snapped axles....Pretty much anything that can break will. Some have beefed up a 10-bolt enough to take some abuse, but they go through carrier after carrier.

Mine is holding up alright, this is just what I've read on here and seen.
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Old Nov 12, 2005 | 02:18 PM
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The leading weakness to a 7.5", 10 bolt, is the pinion shaft diameter. Next would be the ring gear diameter and pinion gear head size.

Blatantly, the parts are just too small for the application.
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Old Nov 12, 2005 | 06:38 PM
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Cool, thanks for the heads up on this guys!
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