Gasoline Engines (GM 5.7; 6.0; 6.2 and 8.1 liter)

Engine-Crankcase

Mobil 1™ 10W-30 Oil Change Interval : 50 Hours
Mobil 1™ 15W-50 Oil Change Interval : 50 Hours
Mobil 1™ 5W-30 Oil Change Interval : 10 Hours
Mobil 1™ 10W-30 Oil Change Interval : 10 Hours