A couple local hot-rod builders challenge Steve to compete in a race that features only period-correct post-war restorations, but his plan to make a race-ready 1931 Ford in just a week and a half has the team on edge.
Steve pens an ode to his working-class roots in the steel industry and sets out to transform a rare but crumbling 1970s-era Charger body into the ultimate blue-collar vehicle to star in the song's music video.
Welder Up general manager discovers his 2-year-old son has cancer, so Steve enlists the crew to build a custom vehicle that he hopes will show anyone who is battling the disease that there is life after the struggle.
A client comes to Steve with a pristinely-restored 1954 Tin Woody Wagon hoping the Welderup crew can make it cool, but when Steve's plans call for burning the car to achieve the look he's after, some on the team wonder if he's finally gone too far.
Restoring a 1930s-era fuel-delivery truck proves a big challenge when the crew discover a warped frame; and Steve ups the ante and insists that the resurrected tanker feature 21st-century technology with hydraulic brakes and run only on bio fuels.
Steve faces an uphill battle meeting his client's demands for a 1930s-era truck before acquiring an old friend's family heirloom Diamond T; and the work begins to transform a gutless work truck into a mountain-taming monster.
A heavy-equipment operator commissions a version of Steve's diesel rat rod for himself; so Steve delivers a go-anywhere rat rod that can climb mountains as easily as it whips down the highway at 100 mph.