Quote:
Originally Posted by Rusty
With the 8 speed transmissions. There is a separate tune for the transmission. It holds 1st and 2nd longer during a cold start. It hold 7th and 8th longer to keep the transmission from hunting gears at cruising speeds.
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They are 6 speeds in the trucks. No 8 speeds until this year. The Cummins make double the HP numbers in TQ. They will destroy an auto transmission with the quickness.