Snow Associates:
BlissyWe run a V8 480 and reckon to get 9.5; but that’s on containers, so no consistent weights.
As a matter of interest, and assuming you don’t mind me asking; what mpg are you getting at 580 horses?
around 8 to 8.5 tops and the work i do is not heavy only about 15 ton loads…the truck has opticruise as well so i thought it should be doing better but i cant crack over 8.5