J Jints1 New Member Joined Jul 20, 2003 Sep 6, 2003 #1 What is the best oil weight for the rear end ? And is additive fluid necessary on a posi rear end? This is for an 87 turbo.
What is the best oil weight for the rear end ? And is additive fluid necessary on a posi rear end? This is for an 87 turbo.
T Two Lane New Member Joined Feb 24, 2002 Sep 7, 2003 #2 MOBIL 1 Most rearend lube is 70+W---usually most around 90W. GM posi-additive is always a good idea. --------------------------------------------------- We use Mobil 1 with a bottle of the GM additive.
MOBIL 1 Most rearend lube is 70+W---usually most around 90W. GM posi-additive is always a good idea. --------------------------------------------------- We use Mobil 1 with a bottle of the GM additive.
