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C0LD4SIC3
Lv 5
C0LD4SIC3 asked in Cars & TransportationCar MakesChevrolet · 8 years ago

What is the approximate capacity of a GM 10 bolt differential?

2004 Silverado C1500 2wd. G80 Locker. I need the capacity to buy lube!

Update:

The additive used in the old posi's is not needed in the G80. 75W-90 synthetic is fine unless one is doing heavy towing. In that case it could be possible to use up to 75W-140 synthetic. I am still looking into which lube. Some say that Mobil 1 Full Syn 75W-90 is not acceptable.

Update 2:

The G80 is not a 'burn rubber' unit. That could trash a G80. They are for low speed direct lock up 20+/-mph where they will disengage.

2 Answers

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  • H.M.C speed
    Lv 7
    8 years ago
    Favorite Answer

    2 qts+

  • Chris
    Lv 5
    8 years ago

    buy 3 qts mobil 1 75/90 - uses full synthetic only--youll have some left over

    add anti chatter additive first - 6 ozs TransX anti chatter or GM brand at dealer

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