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what weight of oil do i use in my 1994 Chevy astro all wheel drive differential and transfer case
80W90 gear oil.
It is GL-5 and the weight is 80/90 gear oil.
Aprox 5 pints
The manufacturer recommended 10W-30 weight oil in the 1979 Chevrolet Corvette. A heavier weight oil can be used in and older engine.
90 W Gear oil
80w-90
Dex 111
90 weight gear oil
80-90w in the tranny and the rear differential.
( 5 w 20 ) according to the 2005 Ford F-250 owners manual