Mechanic put 10W-40 in my engine!
09-14-2005, 07:43 AM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/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
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03-05-2017 06:37 PM
