Discovery Turbo TV Fred and Dave daydream of improving on a Humvee they built years ago. 2026-10-25 Fred and Dave blow the cobwebs off of the Mad Maxxis and the Dirt Pacer. 2026-10-25 Dave and Fred transform a trusty old Toyota into a Baja-influenced Ford. 2026-10-25 The guys are in Indonesia to build a truck that isn't available in the US. 2026-10-25 The guys revive the Dunkin' Dodge for a quest to seek the Holy Grille. 2026-10-25 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. 2026-10-25 The guys take an F-250 out on the trail, but find more snow than expected. 2026-10-25 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. 2026-10-25 Fred and Dave deliver supplies to a friend who's been quarantined in Idaho. 2026-10-25 The guys take a 2003 Chevy for one last adventure in Western Colorado. 2026-10-25 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. 2026-10-25 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. 2026-10-25 The crew dives into the relationship among cylinder head flow, liberal application of boost and horsepower. 2026-10-25 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. 2026-10-25 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. 2026-10-25 The guys find out if mandrel-bent exhaust pipes really make more power over the crimped and crunched pipes the local shop bends up. 2026-10-25 The crew tests 10 different filters in a hunt for the best units available. 2026-10-25 The guys test five carb hats and see how orientation affects performance. 2026-10-25 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. 2026-10-25 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. 2026-10-25 Testing the headers, intake, fuel system and everything else that will be used in David Freiburger's Model A drag car. 2026-10-25 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. 2026-10-25 The crew looks at compression and how it makes power plus how sensitive it becomes to temperature on pump gas. 2026-10-25 It's a battle between the iconic 440 Six Pack and the legendary 426 Hemi. 2026-10-25 The guys demonstrate how improved airflow on a small motor equals pure RPM. 2026-10-25 The crew explains the difference between standard, high-volume and high-pressure oil pumps in terms of pressure, flow and horsepower. 2026-10-25 The crew tries to find the right balance of decibel levels and performance. 2026-10-25 It's a battle of price vs. power for street-centric wedge cylinder heads. 2026-10-25 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. 2026-10-25 The guys study the fueling demands, horsepower, and the pros and cons of running different types of fuel. 2026-10-25 The guys explore the cooling benefits of water-methanol injection. 2026-10-25 The guys test air filter size, along with cold air system configuration. 2026-10-25 Using a basic 150-horse plate system, the crew demonstrates the basics on installation, safety and tuning for a typical carbureted engine. 2026-10-25 We explore the differences between single and split-duration camshafts. 2026-10-25 Testing intake upgrades for a street car swap; pitting the factory manifold against a worked-up aftermarket piece. 2026-10-25 The guys perform what may be the first ever back-to-back comparison of factory-oriented pistons against reverse-oriented pistons. 2026-10-25 The General Mayhem 440 is strapped on the dyno and decisions on which intake and headers to run, as well as how to squeeze out more than the 707 Hellcat horsepower, are made. 2026-10-25 Some know valve float as the evil that lurks beyond the redline, the dreaded robber of horsepower and destroyer of valves; taking a look at the valve float. 2026-10-25 The team tears into a 1962 Chevy truck; Joe Martin plans to create a radical custom lowrider that scrapes the ground; improvements include a new air-ride suspension, tray, front end and paint job. 2026-10-25 Joe has big plans for a 1964 Lincoln Continental, but a faulty steering column and a close call in the shop threaten to turn the flip into a never-ending money pit. 2026-10-25 Joe and the gang turn a 1953 Ford Ranch Wagon into a mean beach cruiser; an accident occurs in the shop; the race is on to repaint a client's custom-built bike. 2026-10-25 Joe and the team work on a 1973 Pontiac Firebird that was damaged by fire; a waterlogged engine puts the brakes on the build. 2026-10-25 The team tackles a custom Softail from the ground up; Shag and Amanda discover a 1947 International milk truck in need of repair; a customer brings in a 1955 Chevy race car. 2026-10-25 Joe believes that wide wheels and a killer paint job will attract customers to a 1964 Cadillac Coupe DeVille convertible, but hidden rust on the vehicle threatens to spoil his planned improvements. 2026-10-25 Martin Bros. Customs prepares to transform a 1970 Chevy C10 into an autocross hot rod; Shag and Amanda desperately search for a sturdy cab for the build. 2026-10-25 A 1935 Chevrolet Master rolls into the shop; made famous by the gangsters of its time, the vehicle features a distinctive grill, wood interior and "suicide doors.". 2026-10-25 A weather-beaten 1959 Metro rolls into the shop for a makeover from the inside out; the vehicle's new owner gets a surprise twist. 2026-10-26 The crew works on a rare, American-made classic -- a 1962 Chevy Corvette; the customer wants his muscle car restored to original factory condition, which won't be cheap. 2026-10-26 A client loves her trucks, particularly the 1950 Chevy, but with a list of customizations the size of Texas, this build might test Joe's mechanical genius. 2026-10-26 Known for its sizzling performance and smooth body style, the 1969 Pontiac GTO is one of the fastest cars of its time; Joe gives it his signature twist with body modifications and a new power train. 2026-10-26 Mandi stumbles across a 1971 Volkswagen Karmann Ghia and challenges her husband, Joe, to make the car cool. 2026-10-26 Joe can hardly believe his luck when he finds a pristine '62 Impala owned by a customer who wants to cut it up and strip it back; everything comes to a halt when money troubles threaten to leave this job in limbo. 2026-10-26 Joe gets his hands on a '67 Chevy Nova and the crew has some modifications in store; as all great work comes at a cost, Shag and Amanda need to find a buyer with deep pockets. 2026-10-26 A 1959 Chevrolet Impala arrives at the shop looking more like a parts donor than a serious project; unable to turn down a car with such classic style, Joe comes up with a plan. 2026-10-26 A client wants Bill to set the bar for custom SUVs with a 2018 Yukon Denali; the guys get busy with chassis, body mods, interior and twin turbos; Ekstensive goes full gangster with a 1948 Mercury, remaking a legendary car from the inside out. 2026-10-26 Ekstensive's built a lot of trucks, but never a Ford Bronco until now; Bill and the guys transform a rusted '68 Bronco roadster into a high-powered off-roading truck with a supercharged engine, handmade dash, roll cage, and waterproof interior. 2026-10-26 The 2018 Camaro ZL1 is already a high performance sports car, but the owner wants Bill to improve his even more; the guys are happy to oblige, starting with a handmade aluminum chassis and interior; a new client wants his Sierra Denali frame dropped. 2026-10-26 Bill and the gang are back under the hood of the 2018 Camaro ZL1, rebuilding the engine to add as much power as possible before a visit to the dynamometer; Ekstensive tries to turn a patinated 1949 GMC pickup sleeper truck into a keeper truck. 2026-10-26 Bill and the team bring a wrecked '70 Suburban hauler back to life as a long bed, four door, crew cab dually with a 5.9 Cummins diesel engine, custom chassis and suspension; a '65 Plymouth Belvedere II gets some extra muscle with a Mopar crate Hemi. 2026-10-26 Rusty and riddled with bullet holes, Bill's neighbor hands over the crumbling shell of a '52 Ford F4 Milk Truck; the guys unleash their best fabrication skills and turn this 60-year-old milk truck into a one of a kind, dazzling diesel street rod. 2026-10-26 Bill and the guys take a good C10 to a hundred with custom touches from inside to out including one of one interior and bed; Ekstensive makes a dream come true by modifying a 2018 Dodge Demon for an under ten-second quarter mile run on the track. 2026-10-26 The wrecked shell of a 1970 Suburban car hauler tests Bill and his metal geniuses as they transform it into a high-end diesel, low, long bed, crew cab dually; Ekstensive makes a lifted and loaded F150 for Boots for Troops, a military charity. 2026-10-26 Bill pushes the shop's creativity with his own build of a 2018 Yukon Denali XL; the luxury SUV is their tallest build ever with a custom lift, straight axles and a supercharger; the '70 Suburban gets a custom chassis and body with a fourth door. 2026-10-26 Bill and the guys are known for their custom metal work, but the transformation of a 1940 International Harvester water truck into a mobile barbecue pit tests all their skills; a 1986 C-10 is a family heirloom that's remade for future generations. 2026-10-26 Bill and the team try to outdo themselves with a radical redesign of 1950 Ford F5 COE, starting with a bed unlike any they've built; the shop begins its first shot at remaking a '69 Corvette Stingray. 2026-10-26 The team goes bigger on the yearlong 1950 Ford F5 COE build when the client asks for a last-minute Cummins diesel engine swap; a twisted graphic wraps up a months-long 2001 Ford F350. 2026-10-26 Bill and the team fix another shop's mistakes when a 2017 F-350 is hauled into the shop broken due to a botched lift; a client insists on the ultimate tailgating BBQ trailer with custom everything. 2026-10-26 Bill knows all too well that families are the lifeblood of the custom truck scene; a customer wants to transform a 1965 Ford Falcon Club Wagon into a fully custom family cruiser; a 1966 Cobra replica gets reinforced. 2026-10-26 Bill looks to the year 2073 when the owner of a '73 El Camino challenges the shop to transform his vehicle into the Ride of the Future; the city wants a custom bumper on a 2020 Freightliner tow truck. 2026-10-26 Bill and the team get their chance to finish a 1968 Chevy C10, which they turn into a unibody by welding the body and bed into one piece; an old dump truck rolls into the shop as the biggest truck the team has ever customized. 2026-10-26 A 1937 International Harvester gets a big old Cummins 12-valve diesel engine that's as heavy as the truck itself; a 2005 Chevy Colorado gets a new lease on life as a nitrous-infused drag truck. 2026-10-26 A 1996 dump truck is the largest truck the shop has ever customized; the guys go extra heavy duty to create a military-styled megatruck; a lowrider enthusiast wants a custom air ride and LS swap for his pristine 1934 Buick. 2026-10-26 This year's over-the-top build has Bill and crew lifting a 2020 Chevy Silverado 5500 more than a foot with a custom heavy-duty air suspension; the guys also prove their Texas mettle by radically overhauling the utility bed. 2026-10-26 Hall of Fame running back Earl Campbell arrives with the body and parts of a 1949 Cadillac, and the crew is honored to create a ground-up build for the local legend; a 1940 F-100 build snowballs into a much bigger job. 2026-10-26 NFL Hall of Famer Earl Campbell made a career mowing down defenders, so the guys take the same hell-bent approach to rebuilding his 1949 Cadillac; they also customize a van for a disabled motocross rider so he can drive again. 2026-10-26