This Hummer H1 transforms the military inspired off roader into a 600 horsepower street machine powered by an LS3 V8 and riding on massive 40 inch tires. After previously running a small block 350 and ...

This video highlights a heavily modified Hummer H1 that completely changes what people expect from the military style off road icon. Instead of focusing on rugged trail ability, this build sits ...

One of the most inexpen- sive and easiest ways to make your 4x4 perform better off-road is to drop the air pressure in the tires. Lowering the pounds per square inch (psi) in the tires increases the ...