Fuel Compsumption 396 4L80E

[HeavyHauler]

Originally Posted by Joyridin

Looking at the torque specs and horsepower, a 2014 6.0l in stock form is pretty comparable to the 396 in a truck. If you go with a 402 in the later years, the 6.0l puts out more HP and torque.

If you opt for a 6.2l in stock form, it surpasses the 396 in stock form by quite a bit.

Obviously if you start changing cams, headers, and a variety of other things, it could go either way.

Yeah but you are higher in the rpm range with any LS stuff.