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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2002 / 2500HD / 8.1 Supercharged / Allison Trans / 250,000+ miles / Burns a little oil, and always has / Burns alot more 91 octane fuel than oil / Allison still shifts perfect / 8.1 still runs strong / Best truck I've ever owned.
