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Everyone's Favorite Fabricator Stewart Leask - Ep.172

Everyone's Favorite Fabricator Stewart Leask - Ep.172

Right Hand Drive Guys Feb 07, 2026 42 min
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About this episode

Stewart Leask, a renowned fabricator known for his high-quality exhaust systems, joins the Right Hand Drive Guys to discuss his journey from a Nissan enthusiast to a successful business owner. The conversation dives into his early experiences with welding, the challenges of building competitive drift cars, and the importance of learning from mistakes. Listeners will appreciate Stewart's insights on titanium care, his passion for craftsmanship, and the evolution of his brand, Least Spec. The episode highlights the community aspect of automotive culture and the dedication required to excel in fabrication.

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Technical Too Afraid to Ask
Car

Nissan GT-R

"...I only had heard of Stuart from his work over the past few years with the GTRs. But you obviously have known about him for much longer before any GTR stuff was going..."

The Nissan GT-R is a fast sports car that many people love for its speed and technology. It's known for being very powerful and is often modified to go even faster.

Car

Nissan S14

"...I have kind of been a Nissan guy since high school. I got my first S14 and 03. I kind of got into drifting..."

The Nissan S14 is a type of sports car that is often used for drifting, which is a driving technique where the driver intentionally oversteers to make the car slide through turns.

Term

drifting

"...I kind of got into drifting. I got into motorsports."

Drifting is when a driver makes a car slide sideways while still controlling it. It's a popular style of driving in races and shows.

Term

motorsports

"...I kind of got into drifting. I got into motorsports."

Motorsports are sports that involve racing cars or other vehicles against each other. They can include different types of competitions, like drifting or circuit racing.

Term

front cut

"I had just wrecked my S13 very badly and I actually needed to do a front cut on it."

A front cut is when you take the front part of a car, like the engine and front suspension, from another car to fix a damaged one. It's a common way to repair cars after accidents.

Car

Nissan S13

"I had just wrecked my S13 very badly and I actually needed to do a front cut on it."

The Nissan S13 is a car model that is often used in racing and drifting. It's known for being light and easy to handle, which makes it a favorite among car enthusiasts.

Term

MIG welder

"But regardless, what I did was I bought my first MIG welder and I bought my first tube bender."

A MIG welder is a tool used for welding metal together. It feeds a wire and uses gas to keep the weld clean, making it easier to join metal pieces.

Term

tube bender

"But regardless, what I did was I bought my first MIG welder and I bought my first tube bender."

A tube bender is a tool that helps shape metal pipes into curves or angles without damaging them. It's often used in making parts for cars.

Company

Zilvia

"I remember seeing that build thread on Zilvia and I went back the other day to try to find it."

Zilvia is a website where fans of Nissan Silvia cars can talk to each other, share tips, and show off their car projects.

Concept

Formula D

"...to be a part of the ASD Motorsports, like Formula D program, where they kind of taught you a little bit more about car engineering, suspension development..."

Formula D is a competition where drivers slide their cars sideways around a track. It's all about showing off driving skills while keeping the car under control.

Term

chassis

"...actually lining up a chassis more so than just throwing a bunch of parts at it."

The chassis is like the skeleton of a car. It holds everything together, including the engine and wheels, and helps the car stay stable while driving.

Part

adjustable sway bars

"...Ian was really big about adjustable sway bars and like how you set them up, how you calculate their rates and everything else. And I remember getting a set and just lopping the ins off..."

Adjustable sway bars are parts of a car's suspension that help it stay stable when turning. You can change how stiff they are to make the car handle better in corners.

Part

titanium exhaust

"So this is my first real titanium exhaust. I think I had, I had a Chineseium. I think they call it exhaust, but this is my first real, you know, like American made."

A titanium exhaust is a type of car part that helps remove exhaust gases from the engine. It's made from a special metal called titanium, which is lighter and lasts longer than regular metal exhausts.

Concept

K swap

"So, um, off of the GTR subject, uh, I heard you're building a K swap skyline. What's that building?"

A K swap is when someone takes out the original engine of a car and puts in a different engine from a Honda that is known to be very powerful. It's a popular way to make cars faster.

Car

Nissan R32

"...the car over there. Um, I started by acquiring an R32 chassis that wasn't exactly street legal, nor cou..."

The Nissan Skyline is a powerful car that was popular in racing and is known for its speed and cool features. The R32 model is especially sought after, but it can be hard to find one that is legal to drive on the streets.

Company

TF works

"Um, I work really closely with the guys at TF works, Mike and all those guys are incredible to work with."

TF Works is a company that makes parts to help improve car performance. They work with people to create custom solutions for different cars.

Part

brake master cylinder

"I am a, I'm a brake master cylinder setup, uh, which is going to end up coming from Alex Cross. I'm not sure if you guys follow him."

The brake master cylinder helps your car stop. When you press the brake pedal, it pushes fluid through pipes to the brakes, making them work.

Term

fabrication

"...if I want to scratch the fabrication itch for like fully custom road racing vehicles..."

Fabrication means making or changing parts of a car, usually using metal. It's often done to create custom features or improve how a car performs.

Car

Nissan Skyline GT-R

"...I've got a 34 GTR here that's like a, a fully built, fully caged air jack..."

The Nissan Skyline GT-R is a fast sports car that many people love for racing. It has a strong engine and is known for being very good on the track.

Car

JZX 100

"I got a JZX 100 and I just kind of started doing it for fun."

The JZX 100 is a Toyota car that is popular for drifting and has a powerful engine. It's known for being fun to drive and is often modified by car enthusiasts.

Term

gray market car

"the fact that it was a gray market car that kind of wore on me and ate away at me"

A gray market car is a car that is brought into a country without going through the official dealers. This can cause problems with legality and getting parts for the car.

Car

Volkswagen R32

"It was one of the first wave of R 32s. I did one track day and I remember I was toying back and forth with the Porsche GT3."

The Volkswagen R32 is a sporty version of the Golf hatchback. It has all-wheel drive, which helps it handle well on the road and track, making it fun to drive.

Car

Porsche GT3

"I was toying back and forth with the Porsche GT3. And I don't know if the guy just wasn't the fastest or not, but my car was able to kind of hold its own against this car."

The Porsche GT3 is a super sporty version of the 911 sports car. It's built for racing and has a powerful engine, making it very fast and fun to drive on a track.

Term

track day

"...you go out like in at the end, you can still drive home. Exactly. Yeah, you just go out there. If you want, bring some semi slicks or..."

A track day is when you can take your car to a racetrack and drive it fast. It's a safe place to enjoy your car without worrying about traffic.

Term

diffuser

"...the V-spec diffuser can fit underneath whenever he's ready. So like when he's done with the car and it's like his final vision, he'll have like the V-spec diffuser completely hiding the separate valve portion of the system..."

A diffuser is a part of a car that helps it stay stable when driving fast. It shapes the air underneath the car to create a pulling effect that keeps the car from lifting off the ground.

Part

oil cooler

"...as simple as like oil coolers. I sell oil cooler kits mainly because there's a there is a little bit of a space on the market for one..."

An oil cooler is a part that keeps your engine oil cool. It helps prevent the oil from getting too hot, which can damage the engine over time.

Part

ducting

"you want me to build it. But I've done them with ducting inlet ducting outlet to suit Z tune bumpers. I have a lot of different options for those oil cooler setups."

Ducting is like the air pipes in a car that help direct air to important parts. This helps keep things cool and working well, especially during high-performance driving.

Part

intercooler

"...the intercooler and the radiator itself. So my ducting kits are a top panel for like a finisher. And then it's a fully enclosed side and lower portion..."

An intercooler helps cool down hot air from a turbocharger before it goes into the engine. Cooler air means better performance because it allows the engine to burn more fuel efficiently.

Part

radiator

"...the intercooler and the radiator itself. So my ducting kits are a top panel for like a finisher..."

A radiator cools down the hot liquid from the engine so it doesn't overheat. It helps keep the engine running at the right temperature.

Company

HKS

"...allows, you know, smaller companies like you to thrive in a world of HKS and Nismo and in, you know, all of these other big banner companies."

HKS is a company from Japan that makes parts to improve car performance, like turbochargers and exhaust systems.

Car

Toyota Supra

"fill that gap because much like the Mark 4 Supra is like the older, the older higher"

The Toyota Supra is a fast and sporty car that many people love because it can be modified to go even faster. The older version, called the Mark IV, is especially famous and is often talked about in car enthusiast circles.

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