Page 40 - Experience Magazine Fall 2022

TWO H1 HUMMERS
READY FOR THE APOCALYPSE

Sometimes, to truly appreciate how far something GT37 AVNT turbo kit. The custom RaptorQ
has come, we need to look at where it started. computer tune helps push its power output to
Such is the case for the GMC Hummer — one of 450 horsepower and 900 ft/lbs of trailblazing
the most well-known road warriors in existence. torque.
While neither of the two Hummer H1s are stock, Upgrades to the engine include a Duramax-664
they still embody what the Hummer is at its core: Mahle GM piston kit and Duramax-66 IS
One tough machine. 30-percent injectors. The engine is kept cool
by a Duramax cooling package, performance
An excellent example is this 2003 Hummer H1
custom built by Predator in 2016. Predator is one aluminum intercooler and radiator. Other
of the largest manufacturers of custom Hummer components include a Mean Green high-output
H1 accessories and specializes in turning stock alternator, race manifolds with up-pipes, custom
Hummers into weapons on wheels that can take upper and lower Duramax gasket kit and an
on anything thrown at them. Optima Yellowtop battery.

Predator gave this Hummer H1 its Duramax The engine is backed by a Stage Four Allison
conversion, including a 6.6-liter Duramax diesel automatic 6-speed transmission with a 2/4s
engine equipped with a Duramax-654 Garrett transfer case and triple-disc converter. A custom-

40 BARRETT-JACKSON EXPERIENCE FALL 2022