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Old 02-26-2005, 02:40 PM
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stock GM vs. aftermarket posi

Hey guys I was wondering if aftermarket posi like Auburn or Eaton preform a lot better than Stock GM posi, i'm just looking for a posi to hook up or spin both tires.

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Old 02-27-2005, 12:14 AM
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If I'm not mistaken, GM doesn't make their own limited slip unit. The have used Dana, Auburn, Eaton, and others. Eaton is a rebuildable clutch type, Auburn is a non-rebuildable cone type, and I don't know about Dana or others.
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Old 02-27-2005, 10:13 AM
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I've used eaton and auburn limited slip units. they both work well
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Old 02-27-2005, 10:13 AM
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The one I am looking at is a clutch type and looks to be a spring that looks like an S shape
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Old 02-27-2005, 07:09 PM
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I think his (unanswered) question is: Do aftermarket limited slip units such as Auburn and Eatons perform better than stock GM limited slips.

To which I can only reply: I haven't seen a GM car equiped with a factory limited slip that didn't turn both tires, unless it was well used and the clutches were worn out.
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Old 02-27-2005, 09:18 PM
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Quote:
Originally Posted by Ghetto Jet
I think his (unanswered) question is: Do aftermarket limited slip units such as Auburn and Eatons perform better than stock GM limited slips.
The answer was: GM does not manufacture their own limited slip differentials, they use other manufacturers units, and have done so for many years now.
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Old 02-28-2005, 04:51 PM
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it's good to know, but that doesn't really answer his question.

Does the same quality go into the factory installed GM units as the aftermarket Auburns/Eatons ect? That is the question
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Old 02-28-2005, 05:50 PM
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Quote:
Originally Posted by Ghetto Jet
it's good to know, but that doesn't really answer his question.

Does the same quality go into the factory installed GM units as the aftermarket Auburns/Eatons ect? That is the question
no the actual question was :

Quote:
"Hey guys I was wondering if aftermarket posi like Auburn or Eaton preform a lot better than Stock GM posi"
the answer is 'yes' they perform as well as the OE posi units. I believe both brands are stronger
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