Forum Discussion

cw2006's avatar
cw2006
Explorer
11 years ago

increase payload capacity 2004 Suburban 1/2 ton

1500 4x4 Z71 Suburban with 3.73 GVWR 7200 GCWR 13000 GAWR 3450 front / 4000 rear The car spends %99.99 of it's time as family car, and %00.01 as tow vehicle. With family (6+dog) and traile...
Tow Vehicles
intheburbs's avatar
intheburbs
Explorer
11 years ago
Chevy calls out 75W90 synthetic for the rear axle. Personally, I would not mess with different viscosities. Ways to mitigate temperature buildup, yes, but nothing more.

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