My truck has 182k on the speedo. I know it has at least 15k more from broken odometer gears.
I have put 100K of those miles on.
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93 W350 w/duals, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, Super HX40/16, auto, 3:07's axles, 2" skyjacker lift, B&W flatbed