Roadkill Extra

David Freiburger shares everything you need to know to about valve springs, from an explanation of all the parts and dimension basics to critical tips and tricks.

Steve and David take a break from wrenching on the Crusher Impala and go back to basics to talk about the differences between drum brakes and disc brakes.

As the engine-building series nears its end, David Freiburger and Steve Dulcich show you how to turn your short-block into a long-block by installing the cylinder heads.

During our series on how to assemble an engine, we've often said our tips apply to nearly any engine. That's not the case with this particular episode, which covers the installation of a valvetrain on a 360ci small-block Mopar.

Hosts David Freiburger and Mike Finnegan answer questions directly from the fans who posted on the ROADKILL social media accounts.

David Freiburger and Steve Dulcich wrap up their engine project for Roadkill Garage's Vanishing Paint 1970 Dodge Challenger by installing the intake manifold and give you plenty of advice as they go.

David Freiburger gives an in-depth look underneath the hood a 1973 AMC Hornet and shows what's so special about this new addition to the Roadkill collection.

Steve Dulcich shares some tips on how to adjust a new Holley four-barrel carburetor. He uses his own Ford Muscle Truck as an example, making the 460ci big-block purr like a kitten with just a few educated twists of a screwdriver.

Way back in Episode 69, Mike and Tony hit the road in a '76 Chevy El Camino. In these extended scenes, the guys show how we pick who is forced to drive the cars on camera and then hit the highway for more on-road hijinks.

Steve Dulcich and David Freiburger share some banter as Steve uses a homegrown technique for detailing an old alternator with spray paint.

Resident zip-tie ninja David Freiburger gets superjudgy about how wires should best be held together.

Steve Dulcich gives a peek at a 1971 Dodge Challenger RT that's been right behind the cameras every time we shoot an episode of Roadkill Garage. Will it ever get finished?

David Freiburger takes a moment to appreciate the Weiand 8-71 blower atop the Crusher Impala engine and explains what "supercharger" really means.

We share some of the details and background behind the documentary following David Freiburger and his racing partner Keith Turk as they head down to Oz to attempt to get into the Dry Lakes Racers Australia 200 MPH Club.

Roadkill's David Freiburger explains how speeds are measured and records are set in traditional land speed racing.

David Freiburger takes a look at a strange contraption of a push truck used to shove his Camaro off the starting line at the salt flats in Australia.

David Freiburger and Keith Turk discuss some tech that's unique to racing doorslammer cars on Australia's salt flats, dry lakes and old runways where land-speed racing happens.

David Freiburger shares tech info on the 1968 Chevy Camaro that he and Keith Turk raced Down Under in the 200 MPH Club documentary.

David Freiburger and Steve Dulcich argue the merits of the Crusher Impala versus a Maybach.

Mike Finnegan and David Freiburger talk about how Roadkill began, discuss their best and worst episodes and address some people who whine that "the show isn't what it used to be" as they look forward to season seven.

Episode 22 was all about our new '68 Ford F100, the Ford Muscle Truck. As it turns out, some of the funniest moments didn't make the final cut. So here ya go, all the lost bits have been gathered together in this Roadkill Extra.

After ten years of editing and hosting Engine Masters, Steve Dulcich has a pretty good collection of engines for dyno testing. In this Roadkill Extra, he gives a tour of his recently cleaned-up engine room.