Yeah 4500 does around 60-65 I think. Rear gearing is 3.73 with a 30 inch tire. Still has the Sm420, tko600 won't be going in for awhile yet. lol The tko is going in with the new engine.


1966 C10 292/tko600 http://67-72chevytrucks.com/vboard/showthread.php?t=596643
1964 C20 292/sm420