Does GM have it backwards?
2019 Silverado 1500 offers a 6.2 with 420 HP and 460 lbs-ft of torque and 10 spd trans. The 2020 Silverado 2500 rumored to offer a 6.6 with 400 HP and 450 lbs-ft of torque and 6 spd trans. Shouldn't ...
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A tune may not degrade the life of the motor but you can bet it will degrade the transmission. Most tunes get rid of all the torque management nannies the factory program in.
