Ron Davis of Ron Davis Racing Products joins Kevin and Willie to celebrate 50 years of radiator evolution, from a $5,000 credit union loan to cooling the world’s most elite race teams. Drawing on decades of experience including NASCAR pits and the brutal world of Trophy Trucks, Ron explains application specific builds, the efficiency of straight-blade fans, and how custom-engineered shrouds with "road-race flaps" keep 1200HP monsters cool in the most extreme environments. Learn why thermal management is a "series of mistakes and learning curves" and how to properly spec a radiator system so you can finally stop chasing the steam and start chasing the finish line. 

Sterling Backus, the man who's made a name for himself 3D printing a Lamborghini, is back with an update on his remarkable story of success and failure. Having already done the impossible, Sterling discusses his latest project – 3D printing a McLaren! “I bought the worst excuse for a McLaren 600 LT in the United States that came with a certificate of destruction because it was so bad," he tells the guys. Nonetheless, “the carbon fiber tub was in amazingly good condition, so we were able to fix [it] and put a new A-pillar in and then the race was on!" You’ve got to hear it to believe this amazing story of a man that's changing the 3D printing game, right out of his home garage.

Is it time to finally ditch the carburetor? David Page joins Kevin and Willie to discuss how Edelbrock is bringing 21st-century tech to the streets and making wiring intimidation a thing of the past. Discover the new Easy Street EFI, featuring a simple 4-wire hookup and the revolutionary ability to email your data logs directly to tech support for instant troubleshooting. We also get the "skinny" on the Victor LZR supercharger - an aerospace-grade, 1300HP beast that uses a smartphone app to dial in boost ramps and a "scramble button" for the ultimate track-to-street versatility. 

Keegan Sobilo is a young up-and-coming race car driver who runs for a cause: pediatric cancer. Keegan started racing Mini-Cups at age 8 and now, at only 16 years old, he has in Willie’s words, “accomplished more than most of us would-be weekend warriors." The Pro Late Model driver already has 11 starts under his belt, notching three top 10 finishes. He finished 5th in the CRA All Stars Tour points and 3rd in the CRA All Stars Tour Rookie of the Year Standings, proving that Keegan is someone to watch – and listen to – in the world of racing. 

Wiring is the one subject every builder loves to hate. Kevin and Willie sit down with Jay Harris from Infinitybox to discuss how their distributed, solid-state power system is the "fuel injection" of automotive electrical. Discover how to replace clunky "relay cubbies" and miles of wire with 21st-century tech - from soft-start fans and theater-dimming lights to a smartphone-controlled "Command Center" featuring passive keyless entry and integrated security - giving your weekend restomod the same creature comforts as your daily driver. 

On this podcast Ross Berlanga from TMI Products joins the guys once again to discuss some of their interior offerings including newly developed options for 80s, 90s and OBS vehicles that are making a resurgence in the aftermarket. With over 2 million SKUs, they probably have what you are looking for. Speaking on the ease of going with TMI products and how quickly you can transform your car's interior, Willie states, "One shipment, one order, one weekend - totally transformed, that's impressive man". Ross agrees, mentioning, "That's the goal, you and a buddy will be able to transform your interior over a weekend in your garage". Listen in and learn about interior options for your build!

The guys debate the thrilling future of hot rodding, breaking down build trends that are blending new technology with old iron, while asking if the pure, combustion-driven soul of hot rodding can survive the evolving horsepower war and inspire the next generation of builders. Willie muses, “regardless of what lens you’re looking through you gotta call it exciting”. 

Welder, educator, author, and consultant Mark Prosser joins the podcast again to pass on more of his welding skills, knowledge, and tips with listeners. Speaking on the issue of welding on older muscle cars, Willie notes that,” when you get into that old metal, it takes the weld so much differently from some of the new metal … what's so different about metal today that's different from metal from several decades ago?" "Metals change through the years” Mark notes speaking on metallurgy,” just like welding processes, just like everything else". On this podcast, Mark and the guys shine a light on some of those changes and offer some techniques that might just help you tackle some of those welding issues, especially those that occur when working with thin sheet metal.

The founders of American Metal Customs reveal how their passion-driven culture for Americana, art, and speed, combined with 100+ years of collective experience, fuels their award-winning and eye-popping custom builds. The team – led by Josh Allison and Chris Bishop along with Ralph Baldwin – discusses how their commitment to the "raw" and "authentic" led them to revolutionize not just vehicles, but whiskey, too, sonically infusing it with genuine horsepower to create a blended taste all its own.  ADVISORY: This episode contains colorful metaphors and adult language.

“Once you start really putting some racing technology into streetable cars, it gets really fun.” So it goes for Full Blown Kustoms owner James Goldman, as he tells the guys in this podcast. “They have four wheels and a seat, but they’re not cars anymore, they’re spaceships.” One need look no further than his twin turbo ’69 Lincoln Continental build for proof – as witnessed by its 14 million online views. Understanding the importance of building a core team while praising the fluidity of metal as an art form, Goldman notes that “whether it’s being unique and different or just having a much tighter fit and finish on your car, that’s becoming more important.”

Ross Berlanga from TMI Products joins Kevin and Willie to discuss bridging the gap between high-end custom interiors and affordability, detailing how their new CAD and 3D printing techniques are bringing bespoke seats and door panels to classics. Ross also spills some of the details on their most ambitious SEMA build yet: a special interior that made the company “stretch our wings” for an all-carbon fiber 1969 Mustang Fastback. 

A plasma cutter is an indispensable machine for anyone doing a significant amount of fab work. “The things you can do with a CNC plasma table are almost mind-blowing,” extols Kevin. “The speed, the accuracy, the repeatability, all of that when you really want to pump out the work." Greg Combe and Joe Cook of Tracker CNC join Kevin and Willie today to talk about CNC plasma tables and the differences between theirs and the competition. With specialized Command and Cut software and long-lasting construction, Tracker CNC’s affordable, professional grade CNC plasma cutting tables have contributed to their 30-year reputation for quality and customer service within the industry.

Brandon Arpin of Valvetronic Designs joins the guys to detail the technical science behind achieving the perfect, non-raspy sound for modern hot rods and luxury cars. He shares how the company moved from a simple BMW exhaust fix to a powerhouse now expanding its titanium and stainless-steel valved systems into the Jeep, Raptor, Mopar and diesel markets to satisfy both the track racer and the sound-conscious enthusiast. Listen in as Kevin and Willie discover the secrets to engineering the ultimate exhaust note and building a successful automotive performance brand. 

One of the godfathers of the Coyote engine, Adam Christian, joins the podcast to talk shop with the guys and discuss the infamous Ford GT40. Kevin notes that Adam “has a lot of car builds under his belt, and one of those builds is a full restoration of one of the original GT40s” made famous as the Le Mans-winning car that broke Ferrari’s winning streak in the 1960s and was recently brought back into the spotlight in the 2019 film, “Ford v Ferrari”. They discuss some of the history of the Coyote engine as well as the history and different generations of the amazing American-made GT40. 

The dream isn't just a house - it's also the perfect automotive workshop! Brian McNamara of Gearhead Homes Realty joins the guys to reveal the crucial building specs needed for a true forever shop, including electrical amperage, concrete thickness (for lift installation), lighting, winch points, tool and part storage solutions, the always crucial beer fridge, and more! Brian also discusses market trends and explains how he connects enthusiasts with properties featuring car condos and large shop space, sharing valuable advice on the financial realities of building a garage addition versus buying a home with one already in place. 

Kyle Fischer from Hot Shot’s Secret returns for another visit with the guys, and this time he’s brought with him Kevin Adams, VP of Research and Development, to talk about not only metal-on-metal contact, varnish, and sludge, but their new entry into the gasoline engine world. They've just emerged from the testing lab, where they’ve been focused on fixing a major problem in the LS engine world – the notorious LS engine tick. This new product is still being developed, and they need you to help test it to make sure it works on all applications. Tune in and find out how!

The pocket knife is the "universal tool" in just about every car guy's life. Michael Janich discusses the three design innovations that established Spyderco as the industry leader, and delves into how they prioritize the mechanical properties of their blades. Find out why the predictable composition of a leaf spring is the bladesmith's favorite automotive-based raw material, and hear Mike's answer to the challenge, "If somebody gave you a leaf spring, how fast could you make a knife out of it?" 

When it comes to custom made-to-order lightweight forged aluminum performance wheels, David Schardt and the team at Forgeline Motorsports “make some of the top wheels you’ll see on just about anything,” notes Kevin, “from full-on race cars and supercars, down to just cool street machines.” David rejoins the podcast to compare notes with the guys on some of their past wheel decisions, discuss wheel technology and manufacturing from the past to the present, and consider the impact of proper wheel choice on the entire look of your vehicle. 

Tired of leaving horsepower on the table? Brian Tooley of BTR returns to the podcast to explain how his company consistently outperforms the competition. He breaks down some of his proprietary engineering — from using GT Power to harness wave dynamics and air inertia — to designing his new multi-million dollar, canted-valve cylinder head built to withstand and maximize power from the highest levels of boost.

Modern diesel engines are unbelievably powerful machines, and Bert Bonilla of Alliant Power knows a lot about them and the huge selection of new and remanufactured diesel parts they offer.  “These guys really live in the diesel world, really cut their teeth in the diesel world,” Willie observes by way of introduction, “and that nowadays is big power, big performance and big issues.” The guys tap into Bert’s deep knowledge of the process of remanufacturing and fixing issues with used parts, common diesel engine problems, major failures that Alliant sees in their service shops, and what to do to maintain that engine for longer