Discovery Turbo TV The crew tests the effects of running long vs. short rods on otherwise identical engines; they'll find out if long rods make more torque, if shorter rods' faster swipe makes a difference, or if rod length doesn't actually matter. 2026-10-05 The guys find out which cheap carburetors produce the most expensive results; they pick a fight among remanufactured offerings from Edelbrock, Summit and Demon to see which will pump the most power into their 383 Chevrolet. 2026-10-05 The guys flip things upside down to find out how much power might be left in the oil pan; a number of factors play a part in minimizing turbulence around the crank, but an $1,100 solution may not be worth the cost. 2026-10-05 The guys try to shed light on whether iron or aluminum heads will deliver more power; they'll look at weight savings and heat retention's effect on cylinder pressure. 2026-10-05 A camshaft is causing issues, so the crew explores how changes to cam timing can help tune a power curve for high-end performance or low-end power. 2026-10-05 The guys experiment with lash adjustments in an effort to unleash some serious ponies; specific engine and cam combos can benefit from loosening or tightening, leading to more power and better performance. 2026-10-05 The guys determine whether a dual 2.5-inch or a single 3.0-inch exhaust system has more power; they swap pipes on a run-of-the-mill 351 Ford, then they test turbo versus straight-through mufflers and Y-pipe versus a 90-degree merge. 2026-10-05 The guys answer whether a carb spacer produces more power; the answer is yes, no, and maybe, depending on the engine. 2026-10-05 The guys test the belief that a simple swap of the standard firing order can create more power in a 90-degree v-8; they do a 4/7 swap on a big 572 to see if there's more power to be had or if the theories are just that. 2026-10-05 The guys take four of the most popular street-style, dual-plane intake manifolds on the market and strap them to the test mule; they reveal how much power the hood clearance issue costs on a Mustang. 2026-10-05 The guys test the difference in power between gas and e85 on a 555 BBC. 2026-10-05 The guys dive into one of the most commonly confusing elements of camshaft design, lobe separation angle. 2026-10-05 Engine Masters explores the myriad gains that can be found for a sickly, low-compression 440 in three stages; the guys plumb up a turbo, add a set of too-trick-for-this cylinder heads and finally push some turbo boost through those heads. 2026-10-05 The guys go through the basics of bringing a motor to the dyno cell. 2026-10-05 The crew asks whether it's worth it to upgrade an ignition system. 2026-10-05 The guys fit the COVID-350 with progressively shorter header collectors to see the gains that come from running just a little more piping; finding out how much under-the-curve power collectable with cheap yet effective trial-and-error tuning. 2026-10-05 The guys follow Freiburger's personal quest for 1,000 NA horsepower. 2026-10-05 The crew investigates just how much power gets sacrificed to look cool. 2026-10-05 The guys see if lightweight rotating assembly parts help make more power. 2026-10-05 The guys test three sets of headers on a power-boosted motor. 2026-10-05 As far as dual-quad manifolds go, it's hard to beat the cool factor of the tunnel-ram and cross-ram setups; to see which makes more power, the guys bolt each to the 383 Chevy and stagger jets until their gasoline-soaked hearts are content. 2026-10-05 The guys see which muffler works best for street-driving 1,000 HP monsters. 2026-10-05 The guys break down two very different engines that make similar numbers. 2026-10-05 Steve Dulcich puts his Leaning Tower of Power to the test. 2026-10-05 The guys test blower cams with their new 363ci small-block Ford. 2026-10-05 After years of willing dismissal and dinosaur-brained ignorance, the Engine Masters have decided to give the Gen III Hemi a fair shake. 2026-10-05 Ian begins assembly of a custom LJ chassis and builds a full Jeep out of a pile of metal tubs before he adds front and rear axles with cut-to-length control arms, and finishes off the build with coil-over suspension. 2026-10-05 The custom Jeep JL gets a drivetrain after Ian finds a junkyard LS engine to install, later he fabricates the exhaust. 2026-10-05 The chassis on the Jeep JL is powder coated before Ian bolts everything in place and fabricates the body panels. 2026-10-05 Larger tires on an off-road rig usually mean broken axles; a 1989 Dodge Ram Charger is in the shop; Ian shows how to swap out a semi-float axle for the more desirable full-float axle. 2026-10-05 The crew works on wiring, plumbing, body panel installation and the interior on the buggy; Ian hits the trails in a custom Jeep LJ. 2026-10-05 Ian doesn't want to fix a beat-up Polaris XP 900. He wants to turn it into a completely different rig. He decides to stretch the side by side and add longer suspension for more travel, but that's just the beginning. 2026-10-05 The crew focuses on what the Polaris will need to stay safe on the trails; Ian customizes a roll cage, installs the driver's seat and adds some tunes. 2026-10-05 An '80s Ramcharger is back in the shop for an engine swap; the owner wants a gas-powered Hemi, so Ian swaps the old, tired engine for one from a local junkyard. 2026-10-05 Ian moves weight around on a Samurai to get more squat in the rear end, shifting the radiator and fuel cell and changing the rear end suspension geometry to help this rig better handle the rocks. 2026-10-05 Ian goes on an adventure with some of his buddies, hitting a few off-road parks nearby, making some roadside repairs, and ending the trip with some Tennessee whiskey. 2026-10-05 Ian brings back the Suzuki Samurai, this time for an old-fashioned engine swap; he's going to take out the mechanical four-cylinder diesel VW engine and upgrade it with a common rail VW diesel. 2026-10-05 Ian's LJ Buggy has seen plenty of rocks and off-road tracks, and he already knows how to improve the vehicle. He rebuilds a dash, adds headlights, and redoes the steering and exhaust. 2026-10-05 Ian demonstrates how to stretch a JK 10 inches. 2026-10-05 The JK stretch project is back from the body shop and is ready for an all-new suspension and axles; Ian will get some Dana 60s under the rig with 40-inch tires and see how it performs by hitting some rock hills. 2026-10-05 Ian wants his Nissan Titan to tow his new Tracker side by side, so he needs to outfit it for towing; he bolts some off-road parts onto the side by side. 2026-10-05 The Ram Charger is ready for the trail with a new engine and drivetrain, but it needs to be outfitted for overlanding, so Ian builds out the interior for camping, adds a solar panel roof rack and builds a custom front bumper. 2026-10-05 Ian needs a new Four Wheeler shop truck, but he doesn't just buy new trucks, he builds them; he'll tear down a two-door Dodge Dakota and turn it into a custom tools-carrying monster. 2026-10-05 Work continues on the Shop Truck Dakota; Ian works on the drive-train components, including a complete transmission teardown and rebuild; plus, he shows what it takes to completely rebuild the axles. 2026-10-05 Ian finds the perfect service platform for a truck and cuts it in half to fit; he finishes the design with a custom paint job. 2026-10-05 Ian gets invited to ride in the 2020 Ultimate Adventure; he and a group of off-road enthusiasts drive thousands of miles on-road and off-road. 2026-10-05 Ralph and his team design a 1969 Ford Bronco for SEMA; a 1960s Volkswagen Bus is transformed into a conference area for a tech company, but delivering the vehicle to the client may prove to be the bigger challenge. 2026-10-05 Ralph and the team restore a classic 1962 Lincoln Continental convertible and update a 1956 Chevrolet Bel Air to take to the annual Barrett-Jackson Auction in Scottsdale, Ariz. 2026-10-05 The team restores a 1957 Ford Thunderbird for a client's wife; a 1961 Chevrolet Impala receives a new LS3 engine and custom headers. 2026-10-05 Ralph wants to transform a rusty 1951 Chevy into a Rat Rod; Victor and Eddie convince Ralph to change the design and give the vehicle a full restoration. 2026-10-05 Ralph builds a 1958 Chevy Apache from the ground up for a potential buyer; with only the shell of the truck remaining, the team builds a custom exhaust system, adds a unique leather interior and customizes the paint job. 2026-10-05