Rear differential fluid for 2007 corvette

Joined
Jan 18, 2003
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1,906
Location
Oregon
What is a decent rear differential fluid for 2007 corvette with a LS. Thinking about valvoline flexfill extended protection full synthetic 75w-90 gear oil in the pouch. GM Dexron LS 75W-90 gear oil is a lot more $$ and no pouch. The GM stuff has gone up a bunch in price since the last change WOW.
 
Any LS gear oil today is superior to LS gear oil in 2007. No need to complicate the decision.
 
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For that car, if driven like it should be, I would run 75-110 Amsoil. Better protection.

If driven nicely, any 90wt would be my choice
 
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