Long term reliability of GM 8.1 Liter
I'm curious to know what kind of experiences owners of GM's 8.1 liter have had regarding long term reliability/durability. I believe it had the piston slap issue in every year the engine was produced...
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2002 2500HD Crew Cab Long Bed 4X4 8.1 Allison 230,000 Whipple Supercharged trouble free miles. My brother bought it from me and is driving it today. Best truck I've ever owned. Only draw back is, it's a thirsty beast. :)
