What gear oil should I use????

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Mar 8, 2005 | 09:24 PM

JGKadell

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From: Brighton, IL

What gear oil should I use????

Stock 10 bolt, GM 3.73's, Auburn posi unit. The car is an auto with a 3,600 Vig.

I was considering
Royal Purple...
Amsoil...
Or just the GM Syn 75/90

Mar 8, 2005 | 09:35 PM

Little G

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From: Ewing, NJ

I use Royal Purple, change it once a season.

Mar 8, 2005 | 09:53 PM

LS1s R US

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From: North Pole

I second the royal purple hard to beat!

Mar 30, 2005 | 02:59 PM

PHTCBRA

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Quote:

Originally Posted by JGKadell

Stock 10 bolt, GM 3.73's, Auburn posi unit. The car is an auto with a 3,600 Vig.

I was considering
Royal Purple...
Amsoil...
Or just the GM Syn 75/90

From what ive been told, no Synthetic's in that aburn. Just use a 75-140w, with the GM additive.