differential oil type?
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Junior Member
Joined: Apr 2001
Posts: 80
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From: Bedfordshire, England, UK
differential oil type?
I accidentally bought the wrong oil grade for the differential... I can't remember what it should officially be, but I have:
"Castrol Differential transmission fluid" EPX 80W-90
How similar is that to stock? -is that going to be ok to use??
"Castrol Differential transmission fluid" EPX 80W-90
How similar is that to stock? -is that going to be ok to use??
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Many members use Mobil 1, 75-90 in the rear end along with GM posi additive, should you have a limited slip.
JamesC
JamesC
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