Jared and Lou rebuild a '79 Porsche.

Jared and Lou upgrade a truck with a new Turbo 400 and a gear-driven NP205 transfer case.

Jared locates a rare 1971 Pontiac Firebird Formula 455 H.O. and Lou cuts it up.

The Formula Firebird receives a new 5-speed interior to match the new transmission.

Jared and Lou perform diagnostics and engine repair on a broken rod bearing in a V8 "Big Block."

Jared customizes a 2017 Victory Octane motorcycle and pits it against Lou's Mustang GT.

Jared and Lou update a 1969 GTO; they upgrade the carburetor and add a HEI Kit under the hood.

Lou and Jared fix a numbers matching 440 block for a classic Dodge Superbee.

Jared and Lou add 100 horsepower to a Superformance Shelby Cobra.

Body-work basics on a Dodge Challenger; Lou performs some 70,000-mile maintenance.

Jared and Lou prepare to place a Cadillac Northstar engine into a Pontiac Fiero.

Jared and Lou add a vintage manifold and carb kit to a Flathead Ford.

Jared and Lou tear a GMC Syclone down to the block, then build the truck back up.

A Chevrolet Camaro ZL1 with a factory supercharger creates over 700 rwhp.

A Lamborghini Huracan is outfitted with a custom twin turbo kit.

Jared and Lou demonstrate what it takes to overcome when parts just don't want to fit.