Recent content by upfront

The computer cannot increase it. It is a rev limiter that controls it. I have re geared mine and it will do 74 with the 1st gear and the other lower gears staying about the same but the higher gears stretching it out to active the higher top speed. The rev limiter is limiting it at the 74 mph...

It's subjective Such a heated subject I hate to weigh in but...... For what my opinion is worth. A U5000 and the U500 are a better comparison to the FMTV than the old SBU class (The old U1300 is the new U5000) same truck with some light changes including a much needed heavier GVW options But...

I heard Global X Vehicles has the ratio carriers to take it to 70MPH. They have changed out several of them to 70 MPH You ought to give them a call if you want to get it faster or lower revs/better eco