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Car Culture and More With Ryan Zummallen

Car Culture and More With Ryan Zummallen

Horsepower Heritage Jul 01, 2026 57 min
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About this episode

Author Ryan Zummallen joins the show to discuss the legendary Nissan Skyline GT-R and its rise to JDM royalty. Zummallen, who penned Cult of GTR, explores how video games, movies, and strict import laws transformed the car into a forbidden fruit for American enthusiasts. The conversation covers the evolution of the R32, R33, and R34 generations, skyrocketing auction prices nearing the million-dollar mark, and the painstaking restoration process. Zummallen also shares insights into automotive photographer Larry Chen's immaculate R34 build and the meticulous Japanese craftsmanship behind it.

Technical Too Afraid to Ask
Car

Nissan Gtr

"Ryan what is it about the GTR that's so incredible? Is it the ultimate JDM machine? I mean you wrote the book on it right? Cult of GTR. I think a lot of people would say yes. Is it the most, I mean Skyline GTR specifically."

This is a highly famous Japanese sports car that was never originally sold in North America. It is beloved by car enthusiasts and gamers for its incredible speed, high-tech all-wheel-drive system, and starring roles in movies like the Fast & Furious franchise.

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Term

JDM

"Is it the ultimate JDM machine? I mean you wrote the book on it right? Cult of GTR."

JDM is a term used to describe cars that were built to be sold only in Japan. Enthusiasts love these cars because they often have cooler styling, unique features, and higher performance than the versions sold in other countries.

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Car

Nissan Skyline Gtr

"...t of people would say yes. Is it the most, I mean Skyline GTR specifically. Is it the most incredible performan..."

The Nissan Skyline is a line of cars made by the Japanese company Nissan. The special 'GT-R' versions are highly famous, high-performance sports cars known for their advanced technology and speed.

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Concept

25-year import rule

"And of course the other factor is that you could not get them in North America for the longest time. Until they were 25 years older or more."

In the United States, you cannot easily import and drive a car that was made for another country unless it is at least 25 years old. Once a car turns 25, it is legally allowed to enter the country without having to meet modern safety and emissions rules.

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Part

twin-turbo inline-six

"The engines stayed the same, right? The inline six turbocharged twin turbo, right? Twin turbo."

This is a type of engine where all six cylinders are lined up in a single straight row, and it uses two air-pumping devices called turbochargers to give the engine a massive boost in power.

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Concept

Japanese gentlemen's agreement

"Yeah. And not just them. Toyota and Honda too had a handshake agreement between the three of them in order to appease the Japanese government that things weren't going to get out of control and they weren't going to unleash Godzilla."

For about 15 years, Japanese car companies had a secret handshake agreement to never advertise their cars as having more than 276 horsepower to keep the government happy. In reality, cars like the Skyline GT-R and Toyota Supra had way more power than the companies officially claimed.

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Car

Toyota Supra

"And same with the Supra and lots of other Japanese cars is they were overbuilt and underpowered from the factory."

The Supra is a famous Japanese sports car known for having an incredibly strong engine that can be modified to produce crazy amounts of horsepower, making it a favorite in drag racing and car movies.

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Car

Ferrari F40

"We're talking F40 territory easily. So this car has, like you said earlier, you know, it's the mechanical fascination,"

The F40 is one of the most famous supercars ever built. It was a raw, lightweight race car for the street with a twin-turbo engine and no driver aids like traction control, making it incredibly exciting and dangerous to drive.

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Car

Nissan Skyline GT-R Nismo 400R

"Like it was probably a 400R that you're talking about that was close to a million dollars. Yes, that's exactly what it was."

This is an incredibly rare, special edition of the Skyline GT-R built by Nissan's racing division. Only 44 were ever made, and they are so highly sought after by collectors that they sell for nearly a million dollars today.

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Car

Toyota 2000 Gt

"I know I never thought I would see the day that Toyota 2000 GT kind of broke the seal on that. I think that was the first Japanese car to sell for over a million."

This is a beautiful, rare sports car from the 1960s that proved Japan could build a world-class exotic car. It even starred in a James Bond movie and is now worth well over a million dollars.

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Person

Larry Chen

"The other thing I think recently that has really helped the GTR is Larry Chen. And we're going to talk about Larry because you have published a fantastic book called Life at Shutter Speed."

Larry Chen is a highly famous car photographer and YouTuber who travels the world taking incredible pictures of unique cars, race tracks, and car culture events.

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Term

Concours d'Elegance

"Yeah, and it's important to highlight like what you just said, the level of painstaking methodical work required to bring an average car up to 100 points in any Conqueror event or any judging format."

This is a very fancy, high-end car show where classic cars are judged by experts. The cars are inspected so closely that even a tiny speck of dust or a non-original screw can cause them to lose points.

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Concept

Gridlife

"Specifically like the rise of grid life as like a motorsports festival that's open to amateurs, like such a cool concept and really novel at the time."

Gridlife is a big weekend festival that combines car racing, drifting, and music concerts. It is designed to be a fun, welcoming place for younger people to get into racing their own cars.

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Concept

Radwood

"The rise of Radwood at the time, which was celebrating 80s and 90s cars, which was, I mean, people couldn't believe that at the time."

Radwood is a themed car show dedicated entirely to cars, fashion, and music from the 1980s and 1990s. People dress up in retro clothes to match their vintage cars from that era.

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Person

Peter Brock

"Another guy though that really helped put Japanese cars on the map in the States was Peter Brock, Brock Racing Enterprises, the Dotson 510, the Giant Killer, right?"

Peter Brock is a legendary car designer and racing team boss. He designed famous race cars for Carroll Shelby and later ran a racing team that proved Japanese Datsun cars could beat famous European sports cars.

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Brand

Brock Racing Enterprises

"Another guy though that really helped put Japanese cars on the map in the States was Peter Brock, Brock Racing Enterprises, the Dotson 510, the Giant Killer, right?"

This was a famous racing team that used Japanese Datsun cars painted in iconic red, white, and blue stripes to win major American championships in the 1970s.

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Car

Datsun 510

"Another guy though that really helped put Japanese cars on the map in the States was Peter Brock, Brock Racing Enterprises, the Dotson 510, the Giant Killer, right?"

This was a small, affordable Japanese sedan from the late 60s and early 70s that handled so well on race tracks it became known as a giant killer, beating much more expensive sports cars.

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Car

Datsun 240Z

"John Morton driving 510s and 240s and, and yeah, taking down not just American cars, but the best sports cars from Europe too."

This is a classic, beautiful Japanese sports car from the 1970s. It was fast, reliable, and affordable, which made it a massive sales success and a legend in car history.

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Person

John Morton

"John Morton driving 510s and 240s and, and yeah, taking down not just American cars, but the best sports cars from Europe too."

John Morton is a famous American race car driver who drove the iconic red, white, and blue Datsun race cars to victory in the 1970s, proving that Japanese cars were incredibly fast.

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Car

620 Dotsons

"...y now to think, but like people looked at the BRE Dotsons and thought, oh, Japanese cars can actually beat,..."

The Datsun 620 is a small, vintage pickup truck made by the Japanese company Datsun in the 1970s. It was designed to be a simple, reliable, and fuel-efficient vehicle for carrying light cargo.

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Term

EV

"You throw EVs into the mix and not to say that like everybody loves EVs. But I'm just saying like so many changes and so much more to learn and appreciate and have fun with and enjoy."

An EV is an electric car that runs entirely on battery power instead of gasoline.

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Term

ECU flashing

"And maybe that's just because I'm not motivated to, but like flashing ECUs and all of the computer stuff that goes into a car. Now, I like I don't I don't get it."

This is like updating the software on your smartphone, but for your car's engine computer. By changing the computer's code, tuners can make the engine produce more power and run faster.

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Term

Kei car

"And there might be million dollar Ferraris and there might be a $20,000 JDM little K car that gets more attention than those exotics."

This is a category of tiny, boxy cars from Japan built to fit in tight city spaces. They have very small engines but are loved by enthusiasts for their quirky designs and fun driving dynamics.

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Person

Kevin McCauley

"Your book Waiting for the Sun to come down by Kevin McCauley photographer who plays with light and shadow in very dramatic ways how they play off different cars."

Kevin McCauley is a talented car photographer who is famous for taking highly artistic pictures of cars, focusing on how sunlight and shadows play off their shapes.

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Person

Sam Mitani

"So you've got also a series of novels. The author is Sam Mitani. And these are like sort of automotive influenced. What's an automotive influenced saga?"

Sam Mitani is a well-known car writer who worked for a major car magazine for many years, testing rare Japanese sports cars before writing action-packed spy novels that feature cool cars.

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Car

Volkswagen Beetle

"He lived in Mexico for six years and essentially every day did nothing but shoot VW Beetles all over the country."

This is the classic, round 'Bug' car. It has its engine in the back and was designed to be cheap and easy to fix, eventually becoming one of the most famous and best-selling cars in history.

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Term

Vocho

"And there's an incredible Volkswagen culture in Mexico. He was in Mexico City, but he also traveled around to other towns. And what you get from his photos, I think, is through the beetle or vocho, as they're known down there."

This is the popular nickname for the Volkswagen Beetle in Mexico, where the car is a beloved cultural icon and was used as a taxi for decades.

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Brand

RTR Vehicles

"And how about the latest title, Ready to Rock? Ready to Rock is an unbelievable opportunity that I immediately said yes to. It's the story of RTR vehicles, which was founded by Vaughn Gittin Jr.,"

This is a specialty car company started by a professional drift racer that designs and builds high-performance, aggressive-looking versions of Ford Mustangs and Broncos.

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Person

Vaughn Gittin Jr.

"It's the story of RTR vehicles, which was founded by Vaughn Gittin Jr., two-time Formula Drift champion, a real pioneer of building drifting as a legitimate sport in the United States."

Vaughn Gittin Jr. is a famous professional race car driver who specializes in drifting (sliding cars sideways around corners). He is known for racing high-powered Ford Mustangs and starting his own custom car company.

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Concept

Formula Drift

"Vaughn Gittin Jr., two-time Formula Drift champion, a real pioneer of building drifting as a legitimate sport in the United States."

This is the top professional racing series for drifting, where drivers slide high-powered cars sideways through corners at high speeds, and are judged on how stylish and precise their slides are.

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Car

Ford Mustang

"And once he did that, had this incredible drive to take Mustangs to another level, build a culture around them that didn't exist at the time,"

The Mustang is a highly famous American sports car known for its aggressive styling, loud V8 engine, and affordable performance.

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Car

Mustang Rtr

"...in a couple of months here, Ford will release the Mustang RTR, which is a Mustang built in the Ford factory to ..."

The Mustang is a famous two-door sports car made by the American company Ford. It is known for its sporty look, loud engine options, and long history of being an affordable performance car.

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Car

Ford Bronco

"And there's going to be an RTR version of the Bronco as well. I saw that."

The Bronco is a famous, boxy SUV designed for serious off-road driving, like crawling over rocks and driving through deserts.

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Person

Carroll Shelby

"And that makes Vaughn a one of two type of person in Ford history. And the other one is Carroll Shelby. Exactly. Very cool."

Carroll Shelby was a highly famous American race car driver and designer who created some of the fastest and most iconic sports cars of all time, including the Shelby Cobra and high-performance Ford Mustangs.

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Person

Mike Spinelli

"And we had him write it alongside Mike Spinelli, who's been an automotive journalist for a very long time."

Mike Spinelli is a well-known car writer and video host who helped start some of the most popular car websites and online video shows in the world.

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Car

Ford F-150 Lightning

"...k out there, which is always the goal. Let's do a lightning round. The car you want most in the world, price ..."

The F-150 Lightning is a full-size pickup truck made by Ford that runs entirely on electricity instead of gasoline. It looks and works like a normal truck but is very quiet, accelerates quickly, and must be plugged in to charge.

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Car

Ferrari 550 Maranello

"The car you want most in the world, price no object. I'm a Ferrari 550 Marinello guy. Why?"

This is a classic Ferrari sports car from the late 90s. It has a powerful V12 engine in the front and a manual shifter with a metal gate that makes a satisfying 'clack' sound when you change gears.

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Brand

Alpina

"One car for the rest of my life. I am really into older BMW Alpenas."

Alpina is a specialty company that takes standard BMW cars and completely re-engineers them to be incredibly fast, comfortable, and luxurious, featuring unique wheels and custom interiors.

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Car

Alpina B6

"Something like a B6 Alpena would just be chef's kiss. That's a well educated choice."

This is an ultra-exclusive, high-performance version of a BMW luxury coupe, built by the specialty manufacturer Alpina to be incredibly fast and comfortable for long-distance highway driving.

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Car

Dodge Viper

"I was thinking Viper if I really wanted to punish myself, but I would love every second of it. But yeah, I think I would go for style."

The Viper is a wild American sports car with a massive truck-sized V10 engine. It is famous for being extremely fast, loud, and difficult to drive because early versions didn't have safety features like traction control to help you keep it on the road.

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Car

Porsche 928

"I once interviewed a guy that drove his 928 from Paris throughout Iran and back. That's incredible."

This is a classic Porsche from the 70s, 80s, and 90s that looked very futuristic. Unlike the famous 911, it has its engine in the front and was designed to be a comfortable, fast highway cruiser rather than a tight sports car.

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Car

Mercedes-Benz Eclass

"I think that'd be killer. Maybe like E-Class AMG wagon. E63."

This is a mid-sized luxury station wagon made by the German company Mercedes-Benz. The special 'AMG' and 'E63' versions are modified to be extremely fast, essentially putting a sports car engine into a practical family vehicle.

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Car

Mercedes-Benz E 63 AMG Wagon

"Maybe like E-Class AMG wagon. E63. Yeah. Yeah."

This is a luxury station wagon that has been modified by Mercedes' racing division to have a massive, high-powered engine. It can accelerate as fast as a Ferrari while still having plenty of room in the back for groceries or camping gear.

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Car

BMW E63

"Maybe like E-Class AMG wagon. E63. Yeah."

The BMW 6 Series is a line of luxury cars made by the German company BMW. They are designed to be comfortable, stylish, and fast, making them ideal for long road trips.

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Car

Toyota Land Cruiser

"I mean, it's the experience, right? And I guess if I was going to say Australia, I guess the correct answer is always Land Cruiser, right? Yes. Absolutely."

This is Toyota's most famous off-road vehicle. It is legendary for being incredibly tough and reliable, often used in deserts and jungles where breaking down is not an option.

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Person

Anne-Charlotte Verney

"There's a woman named Anne-Charlotte Verne, who is French. And we did correspond for a long time over email because I really wanted to write a story about her,"

Anne-Charlotte Verney is a famous female race car driver from France who competed in the world's toughest 24-hour race ten times, as well as dangerous off-road races across deserts.

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Place

Le Mans

"She grew up in the town of Le Mans. And so, you know, her, I think, believed grandfather was part of the organizing committee for the race."

This is a city in France that hosts the most famous 24-hour endurance car race in the world, where teams of drivers race non-stop through the day and night.

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Topic

Dakar Rally

"But she also drove the Dakar rally for many years. And you may remember at one point, Margaret Thatcher's son competed in that race."

This is an incredibly dangerous and long off-road race where drivers race trucks, cars, and motorcycles across deserts and rough terrain for days at a time.

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