Chevy LT4 small block is a torque monster
The crate engine is $16,819 MSRP and should offer it as an option in Chevy trucks since it has tons of low end torque. specs
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It would have about 600 ft lbs tq highway speed in OD with a 3.73 rear and 31.5" tire like the LT265/75R-16 with much left over for passing and climbing. At high altitude it would not lose as much power as a non supercharged engine. I bet it could be modified for truck (LT4HD ?)use to lower the high rpm HP but keep the low end torque. The 8.1 has 450 ft lbs tq @3200rpm vs LT4 having over 600 ft lb tq @3200rpm or 450 @1000rpm.
