Forum Discussion
Cummins12V98
Sep 01, 2015Explorer III
I said BEST EXHAUST BRAKE, I did not say anything about the computer that controls the downshifting to maintain speed. Like I said place all of them in 4th gear set cruise at 55 and see what one is the slowest to the bottom. The Cummins has more retarding HP than the competition.
Yes gear ratio makes a huge difference.
Yes gear ratio makes a huge difference.
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