Absolutely agree,
Stock is perfect the way it is, I drive on average 40.000 miles a year and 90% off road I never had issue, hummer always took me to very remote places and brought home, original 6.5 TD works like a clock.
AM GENERAL spent 100s of millions of dollars and engineering team to develop the hummer, and now some backyard mechanic wants to make a hummer be as fast as corvette, well that doesn’t work like that.
It’s funny to me when they say upgraded duramax engine,
How is that upgrade when you take out mechanical injection waterproof engine and you put electronic non waterproof motor in the vehicle that is made go through deep waters and be super simple.
duramax is an amazing engine, but the entire vehicle has to be engineered based on that.
If they really wanna upgrade they can use P400 6.5 TD developed by international and Am General for ECV ( extended capacity vehicle) Humvee ,
Forged crank, pistons, rods, rated @ 300 HP 600 lb torque, that’s a true upgrade for the hummer.