Heavy D takes a journey back to high school shop class and tunes the Sisu Nasu gas motor.

There's no chance of not seeing this rescue vehicle from afar. Heavy D hops in the paint booth with Primo to paint the Sisu Nasu "Come Find Me Green"

Get to know the first ever Diesel Brothers lowrider.

With Heavy D burning through the C-10 budget, Red Beard takes matters into his own hands to make a few bucks back.

With rims from a Camry, a P-Trap from a sink, a diesel motor from cement mixer, this hodge-podge motorcycle is one bad ass custom.

Check out the DieselSellerz giveaway tow rig.

Diesel Dave and Heavy D set up a drag race, a towing test and a tug of war to figure out which giveaway truck is supreme.

The coilovers go under extreme stress during Pro Lite races so the guys need to properly adjust the spring preload.

Muscle lets Diesel Dave lead the negotiation for the C-10 they're looking to slam and make into a bad ass lowrider.

Chet and Tyson are tasked with installing the new 6-inch lift for the Nissan and decide the instruction packet would be more enjoyable when put to tune.

Heavy D gets behind the wheel of one of the baddest monster trucks at Thunder Alley in Las Vegas.

With a new coil spring suspension, a reworked rear steer system and two massive T-Shirt guns, the #SuperSix is ready to head to its new home.

Pace and Ryan are just about finished fabricating the rotating turret seat so they let Muscle hop on for a spin to verify its safety and strength.

For less than $25K, the crew modifies a stock pickup to be able to haul heavier loads more efficiently.

Chavis and Diesel Dave install both radiators into the Ultimate Tow Rig to ensure the motor never overheats when it's towing a heavy load.

A client calls in a request for better mileage and tow power for his daily driver with a $25,000 budget. Diesel Dave puts his skill to the test and takes the lead on the build.