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Old 09-01-2005, 08:49 PM   #1
alf1096
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Differenal

I have a 70 c-10. It as a 3.73 posi rear end out of a 71 suburban ( I think). But I have some questions. First is there any way to tell what fluid goes in it. And I know I will have to take the cover off the drain it but when I put a new gasket in will I need to put silicone to seal it and if so where.


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Old 09-01-2005, 09:42 PM   #2
Longhorn Man
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Personally, i never use gaskets on the diff. Just straight sealant...and I only use The Right Stuff. It's kinda expensive, but it is the best.
As far as oil, 80/90 is fine...but synthetic is way better if you can swing the $$.
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Old 09-01-2005, 11:38 PM   #3
kaycee
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You allso need to get some posi lube for it,you just add it in the 80/90 suppose to keep you clutches lubed and from chattering allso.I think it comes in an 8 ounce tube.
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Old 09-11-2005, 05:02 PM   #4
larry may
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Use 80-90 as Kaycee mentioned. then add GM Limited Slip Solution 1 1052358.
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Old 09-11-2005, 05:26 PM   #5
alf1096
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I did this project last weekend it all went smooth thank for the help
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