Originally Posted by dlor1
70 mph out of a 5.9. Is anyone else getting this kind of speed? What kind of tranny and gearing do you have I got a at 545 and 4.33. I'm doin 55 on flats.
I have the same ratio in my bus. My speed-o said it topped out at 57 when I first got it... but I seemed to keep up with traffic as if I was going faster... I had Jason (lapeer20m) turn up my governor for me. Now it says I top out at about 65-68 and at this speed I was passing traffic... so I hooked up my GPS, turns out my speed-o is about 10% slow so 50=55, 70=77 ect...
I don't have a tach on my bus so I don't know my RPM's at any given speed, but I used an online calculator to make sure I stayed under 3,000 - at wide open throttle.