Home Forums Gear Hunting Trucks and Four-Wheel Drives 2500 HD 4x4 crew cab short bed--5.7 Hemi or 6.0 Chevy??

For you two with the MAX 6.2, are you having to use higher octane fuel or can you run with the 87? Does this engine run on all 8 cylinders all the time? I think this and the 3.73's would be a big improvement over the standard 5.3 and 3.42's (which I have).