Mechanic put 10W-40 in my engine!
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
He was getting returns when the customer used Mobil 1 ATF. Haven't heard of problems lately. I believe they changed their formulation.
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theshackle
Tech / General Engine
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Mar 5, 2017 06:37 PM
