Discovery Turbo TV

The newest member of the team modifies the hood of a 2013 Challenger.

Muscle car fans rejoice as two classic '69 Camaros get the full treatment.

Dave creates a plan to tackle a '68 Chevelle from the bowels of the shop.

A client asks Dave to transform his 1960 Cadillac into a copper hot rod.

Dave and Fred try to get a crusty old Bronco running and out on the trail.

Fred and Dave daydream of improving on a Humvee they built years ago.

Fred and Dave blow the cobwebs off of the Mad Maxxis and the Dirt Pacer.

Dave and Fred transform a trusty old Toyota into a Baja-influenced Ford.

The guys are in Indonesia to build a truck that isn't available in the US.

The guys revive the Dunkin' Dodge for a quest to seek the Holy Grille.

Fred Williams and Dave Chappelle put the call-out on social media to let viewers vote on what truck to build next, and what type of adventure to take it on.

The guys take an F-250 out on the trail, but find more snow than expected.

Fred and Dave wanted big power for the sand dunes so they started with a drag truck with a rowdy V8; all they had to do was transform the rest of the truck into a dune-slaying machine.

Fred and Dave deliver supplies to a friend who's been quarantined in Idaho.

The guys take a 2003 Chevy for one last adventure in Western Colorado.

Fred and Dave drive home a wacky stretched a CJ-5-truck-thing that wants to fall apart at every turn; the Dirt Heads won't give up on their goal to make it back to California.

The Dirt Heads fix up Dave's red Chevrolet to clear 40-inch tires and head out to find bigger rocks; Fred and Dave order big rubber and head to Johnson Valley to attempt the Backdoor Trail.

The crew dives into the relationship among cylinder head flow, liberal application of boost and horsepower.

The guys run back-to-back tests with 87, 91, 110, 116 and even E85 to see if higher octane can make more power, and if an engine's optimal timing even changes with different octane.

The guys outfit their Ford 363 with a Demon 650 blow-through carb and Holley's new Super Sniper Stealth throttle-body-style EFI to determine which will reign supreme.

The guys find out if mandrel-bent exhaust pipes really make more power over the crimped and crunched pipes the local shop bends up.

The crew tests 10 different filters in a hunt for the best units available.

The guys test five carb hats and see how orientation affects performance.

The crew is searching for low air temps and big HP numbers as they compare the heat-extracting power of under-roots intercoolers vs. E85; they aim to bring up the entire curve by swapping the short-runner blower manifold for a tunnel ram.

The crew auditions their 406 SBC with an out-of-the-box Super Victor, a port-matched Super Victor and an off-shelf Wilson-prepped version.

Testing the headers, intake, fuel system and everything else that will be used in David Freiburger's Model A drag car.

Holley carbs have been the standard by which all racing carbs are measured, but CFMs are equal; looking at the difference in power between the smaller-bore, narrower-set 4150 carb and the bigger-bore, wider-base 4500 Dominator.

The crew looks at compression and how it makes power plus how sensitive it becomes to temperature on pump gas.

It's a battle between the iconic 440 Six Pack and the legendary 426 Hemi.

The guys demonstrate how improved airflow on a small motor equals pure RPM.

The crew explains the difference between standard, high-volume and high-pressure oil pumps in terms of pressure, flow and horsepower.

The crew tries to find the right balance of decibel levels and performance.

It's a battle of price vs. power for street-centric wedge cylinder heads.

The crew dives into the waters of individual runner systems, shows how to tune them, and whether all that cool makes any more power than the stalwart carburetor.

The guys study the fueling demands, horsepower, and the pros and cons of running different types of fuel.

The guys explore the cooling benefits of water-methanol injection.

The guys test air filter size, along with cold air system configuration.