Roadkill Extra

David and Steve generate behind-the-scenes laughs when they take their newly purchased '65 Ford F-250 on a road trip to Arizona.

Lucky Costa had several "what the heck" moments as he, David Frieburger, Mike Finnegan and Steve Dulcich built the Ugly Truckling.

Social media pics of David and Steve installing a Buick 455 into the '66 Crew Cab Chevelle generated lots of questions from fans about the various 455ci engines GM produced in the '70s. David spills some of the answers here.

The crew removes hoods from a lot of different junk, so much so that this is the third installment where the guys describe a random pile of hoods. Every project car has a backstory told in rotting sheet metal.

A behind-the-scenes look at the Ugly Truckling build includes the moment that David Freiburger conceived the mid-engined dragster thingy, along with the cajoling from Steve Dulcich and Luck Costa that followed.

David Freiburger and Steve Dulcich run into some bad spark plugs in the Gargantuwagon, and share a tech tip on what to look for when replacing them.

David and Steve road-trip to Arizona in a 1965 Ford F-250. On the way, they make a quick stop in the middle of the desert and come across some junkyard finds.

David Freiburger insists that the crew put him up to an in-shop prank on Steve Dulcich, who is creeped out by dead stuff. Note that poor Yorick here isn't anyone the crew knew.

David visits the Volo Auto Museum in Illinois, where he drools over a functional auto-show display from 1967. It shows a rotating, full-motion cutaway of a Chevy 350 engine, Powerglide transmission and 12-bolt rear end.

After David Frieburger and Steve Dulcich thrash in the Gargantuan, they realize that they've broken the engine mount, and that the exhaust is not very good.

Building the Ugly Truckling was a group effort. David Freiburger came up with the mid-engined plan for the big-block-powered Chevy Crew Cab frame, and Steve Dulcich, and Lucky Costa helped make it happen.

David Freiburger and Steve Dulcich deliver the backstory of Steve's 1976 Chevy Corvette.

David Freiburger and Steve Dulcich put in a lot of work to get the Gargantuwagon ready to take on the road.

David Freiburger talks about the 427-inch LS3 engine that's been featured on a couple of different MotorTrend shows, and what plans he has for it next.

While Steve has some real gems in his backyard, he and David decide to show off the infamous Trailer of Doom.

David Freiburger and Steve Dulcich go to Camarillo Airport to race their wagons in some head-to-head competition. Before that can happen, Lucky Costa throws his hat in the ring and shows up with his 1966 Plymouth Fury Wagon.

David Freiburger and the 1968 Chrysler Gargantuwagon take on Steve Dulcich and his 1967 Pontiac Bonneville wagon in the very first side-by-side drag race between two longroofs.

Steve Dulcich is prepping his 1967 Pontiac Bonneville station wagon for a monster-wagon battle. He goes into extreme detail about and has high hopes for his plan to cheaply and easily backflush the cooling system.

David Freiburger delivers stream of consciousness facts on the Dukes of Hazzard, Evel Knievel, the Fonz and more as he wanders through a great collection of automobilia while waiting around to buy a truck.

The Ugly Truckling build was one of the longer shoots out there, and generated a huge volume of raw footage. This last compilation includes outtakes, bloopers and quips that never made it into the final edited show.

David Freiburger, Mike Finnegan, Steve Dulcich, and Lucky Costa strip down a GMC crew cab and create a monster dragster known as the Ugly Truckling, with lots of fun and laughs behind the scenes.