GM 8.1 496 gas engine "normal" oil loss/use?
Just returned from our first looong trip with this truck and camper package and noticed (what I think) excessive oil use. The does not leak but in 3800 miles needed 1 1/2 qts., that seems like a lot t...
Forum Discussion
My 2001 GM 3500 dually 8.1 may use a quart of Mobil 1 10W30 every 3000 or so miles. change oil when DIC says to do so, or once a year.. 115000 miles with original belts, plugs, wires, etc. Got a new Duramax in 2012, kept the 8.1 for my daily driver...
