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Are all 74 differentials posi?

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Old Jan 19, 2004 | 05:05 PM
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From: Where are the Smoky Mountain Cruisers? Not Correctly Restored Stingray
Default Are all 74 differentials posi?

I'm getting ready to pull my differential for service and have some questions.
Are all 74 differential posi, cause the tag on mine says fill with limited slip fluid only?
If it has a limited slip differential wouldn't I be better off will a posi unit and not overhaul it if it's a limited slip.
Any thoughts?
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Old Jan 19, 2004 | 05:12 PM
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Default Re: Are all 74 differentials posi? (74 vert)

Yes they are all posi.
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Old Jan 19, 2004 | 05:58 PM
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Default Re: Are all 74 differentials posi? (74 vert)

posi and limited slip are the same thing just different terms.
Gary
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Old Jan 19, 2004 | 10:52 PM
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Default Re: Are all 74 differentials posi? (74 vert)

If you are refilling the diff,you need ordinary diff oil + a small bottle of the posi additive.....don't just put the posi additive in alone.....john :chevy
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