Ultimate Car Build-Off

Hollywood Hot Rods and Pure Vision are given four days to turn a soccer mom mini-van into a supercar before their creations are put through the paces at Willow Springs Raceway. The winner will progress to the Los Angeles Semi-Finals.

Speed Unlimited and Hollywood Hot Rods go head to head to transform their hearses into hill climbers. The garages have four days to go from sedate delivery vehicle to hill-conquering beast, then face off on a 33 foot hill and a 45 degree incline!

ES Motorsports and Hollywood Hot Rods battle it out to reach the national final, for a shot at $100,000. Which team can turn their Firebird into a flying car, and cover the greatest distance taking off from a 200 foot cliff at Eagle Mountain?

UCB moves on to Detroit, where Team Z Motorsports and Alternative Automotive Technologies are told to buy two front-wheel drive cars. Lou and ACP show up and tell them they have to put the two front halves together and make them into one car.

Monkeywrench Racing and Voodoo Choppers are tasked with taking two motorcycles and making one four-wheeled vehicle with one purpose in mind - pull the longest wheelie they can down the _ mile runway at historic Grosse Ile Airport.

Voodoo Choppers and Alternative Automotive Technologies tackle the tricky realm of treaded vehicles, as they attempt to turn trucks into tanks capable of taking on the obstacle course at the Eaton Proving Grounds.