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The guys transform a '73 Opel funny car into a dirt-roosting machine.

David and Mike generate epic amounts of tire smoke as they try out 2015 supercars, the 707-horsepower Dodge Challenger SRT Hellcat and Charger SRT Hellcat, plus a 645-horsepower Dodge Viper GT.

It's a project-car mishmash this time on Roadkill, powered by Dodge. It starts out Roadkill enough, with Finnegan surprising Freiburger with a '50 Ford 2-ton truck that the guys thrash to shorten up into a bobber rat rod.

Things do not go as planned when Finnegan and Freiburger swap the engines from an old Rogers Bonneville jet boat and a lowered '74 Chevy C10 pickup powered by a Chevrolet Performance LS6 crate engine.

A 1980 Chevrolet Monte Carlo lowrider with hydraulics and Super Swamper off-road tires becomes the perfect vehicle for a desert trip to Las Vegas.

Freiburger and Dulcich begin piecing the General Mayhem '68 Charger back together, and they go through the process of getting the car back to its 440 big-block-powered version.

The General Mayhem 1968 Dodge Charger is back together and better than ever, with its 440 big-block powerplant and rust-free sheet metal.

Freiburger and Dulcich hit the road in a '66 Chevy Chevelle purchased sight unseen in an attempt to score two new project cars. The guys fix and tune their way from Washington to Arizona to rescue a dirt-cheap junkyard '75 Dodge Dart.

The dream of long travel suspension on Roadkill's slightly modified Vette Kart finally comes true for the guys; Brad DeBerti helps them figure out how to not taco the front end as they take on a Pro2 truck on an off-road short course.

Finnegan and Newbern give new life to a '57 Chevy Bel Air that was pulled from a junkyard after more than 30 years. The guys drop in a small-block V8 and turbo 350 to get the car back on the pavement for a bumpy road trip back to where it came from.

Dulcich enlists Wiley Stevens and Chris Birdsong to transplant a third-generation Hemi into the 1974 Dodge D100, also known as the Mopar Muscle Truck; after issues hold up progress, the guys clean up a new project 1974 Dodge Charger.

The guys put John Andrade Jr. in a tiny truck and beat him in a mud drag race with the Dirt Track Camaro; Andrade challenges them to see what they can do with a derelict and parted-out Mustang against his 79 Chevy Malibu.

The guys attempt to check off the final five states Freiburger needs to hit all 50 by taking their junkyard T-37 across New England; the T-37 hits the road, and the road hits back before the guys leave their mark in New York City.

Freiburger and Dulcich troubleshoot transmission issues and more in the 1969 Chevy Impala that's powered by a supercharged 498ci big-block V8, then take it back to the track to see if they can finally get their 10-second time slip.

The guys transform a '73 Opel funny car into a dirt-roosting machine.

David and Mike generate epic amounts of tire smoke as they try out 2015 supercars, the 707-horsepower Dodge Challenger SRT Hellcat and Charger SRT Hellcat, plus a 645-horsepower Dodge Viper GT.

It's a project-car mishmash this time on Roadkill, powered by Dodge. It starts out Roadkill enough, with Finnegan surprising Freiburger with a '50 Ford 2-ton truck that the guys thrash to shorten up into a bobber rat rod.

Things do not go as planned when Finnegan and Freiburger swap the engines from an old Rogers Bonneville jet boat and a lowered '74 Chevy C10 pickup powered by a Chevrolet Performance LS6 crate engine.

A 1980 Chevrolet Monte Carlo lowrider with hydraulics and Super Swamper off-road tires becomes the perfect vehicle for a desert trip to Las Vegas.

Freiburger and Dulcich begin piecing the General Mayhem '68 Charger back together, and they go through the process of getting the car back to its 440 big-block-powered version.

The General Mayhem 1968 Dodge Charger is back together and better than ever, with its 440 big-block powerplant and rust-free sheet metal.

Freiburger and Dulcich hit the road in a '66 Chevy Chevelle purchased sight unseen in an attempt to score two new project cars. The guys fix and tune their way from Washington to Arizona to rescue a dirt-cheap junkyard '75 Dodge Dart.