Quote:
Originally Posted by Weldangrind
I would promptly change the engine and rear gear oil. I used Castrol Syntec 75W90 gear oil in the rear gear and Pennzoil 10W30 Synthetic in the engine.
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It calls for 15 40 I was going to use good old Chevron 400 have you ever tried the synthetic diesel oils
Also do you break in before switching to synthetic