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...
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Not owning that engine, but my 454 used one quart of oil every 1000 or so miles. This was considered normal to GM. Later on I switched to a straight weight oil, and it made a world of difference in me adding oil between changes. I then could go over 3000 miles before adding anything.
