Real Cars. Real Testing. Real Validation Under Load.

Roy Wragth is an American automotive entrepreneur, performance specialist, speaker, author, and founder of Wragth Motorsports and Roy360HQ. Known for his systems-based approach to high-performance vehicle development, Roy has built a reputation around real-world validation, repeatable performance, and understanding how vehicles behave under load rather than chasing inflated dyno numbers.

That philosophy was on full display during WMS’ appearance at Jax Wax Street Madness.

This wasn’t a trailer queen meetup or a single-pass dyno session. These were full-weight street cars driven to the track, raced repeatedly, adjusted between rounds, taken on highway pulls afterward, then driven home like nothing happened.

The lineup included:

• Twin Turbo Dodge Demon
• Shelby GT500
• C7 ZR1
• Cadillac Escalade V
• Multiple customer-driven WMS builds

Watch the full event recap here:

Real Validation Starts After The First Pass

Anybody can make one clean dyno pull.

The real test starts after repeated heat cycles, highway driving, cooldowns, staging lanes, back-to-back passes, and changing track conditions as well as the track itself. In this case, going from roll racing in the morning, to 1/4 dig racing in the afternoon.

Throughout the event, the WMS team reviewed data, made adjustments to launch strategy and boost delivery, then went straight back into drag racing instead of parking the cars after one successful run.

That process is a major part of Roy Wragth’s approach to performance development. Rather than building cars around internet hype or peak dyno numbers, the focus stays on:

• repeatability
• drivability
• thermal control
• fueling stability
• torque management
• real-world behavior under load

Watch the between-round adjustments here:

https://youtu.be/RrIREfE3UCs?si=RND7TK1ks2BdpVWX&t=497

Twin Turbo Demon Continues Delivering

One of the standout vehicles from the event was the Twin Turbo Demon.

For safety reasons, the car remained on lower boost settings throughout most of the night due to the speeds the combination is capable of reaching. Even at conservative boost levels, the car showed exactly how violent a properly sorted twin turbo setup can be under real conditions.

Watch The Demon Footage Here

https://youtu.be/RrIREfE3UCs?si=ZZrv1NAADGD6JsbT&t=412

The most impressive part wasn’t just the power.

The car has already spent years being driven, raced, validated, and refined rather than existing as a temporary social media build.

That distinction matters.

Escalade V Performance Under Load

The Cadillac Escalade V platform continues proving why it has become one of the most interesting modern performance SUVs on the road.

Heavy. Full interior. Luxury-focused. Full weight.

Yet still capable of repeatedly delivering serious performance while remaining comfortable and streetable.

Watch the Escalade V runs here:
https://youtu.be/RrIREfE3UCs?si=Rdyh7wtg8AFuLYfO&t=1037

At Wragth Motorsports, understanding how power reaches the ground matters more than inflated numbers on paper. Transmission behavior, torque delivery, traction strategy, and repeatability all play a major role in whether a vehicle actually performs consistently outside of a dyno room.

That systems-thinking approach comes from Roy Wragth’s background across motorsports, engineering, diagnostics, and technical operations.

GT500, ZR1, And Real Street Car Culture

The GT500 and ZR1 spent the night getting after it alongside the rest of the lineup.

Track prep conditions forced adjustments to launch strategy and torque hit early in the event, but after reviewing data and making changes, the cars continued laying down consistent runs throughout the night.

Watch the side-by-side action here:
https://youtu.be/RrIREfE3UCs?si=FqHXlCFwrKR1ZxLl&t=1128

The best part is that every vehicle was actually driven.

These weren’t stripped race cars living on trailers. They drove to the track, raced all day, made highway pulls afterward, grabbed dinner, and drove home.

That’s the type of validation WMS focuses on.

More Than Just Racing

This event also marked one of Roy Wragth’s first attempts at returning to the racing environment after suffering a serious back injury that limited mobility for several weeks.

Despite the physical setbacks, being back around customers, friends, racing, and the team environment served as a reminder of why WMS was built in the first place.

Watch the atmosphere from the event here:
https://youtu.be/RrIREfE3UCs?si=c30pNaD9XOuH8LLm&t=429

Sometimes the biggest moments at the track have nothing to do with horsepower numbers.

It’s the conversations in the pits.
The adjustments between rounds.
The customers learning their cars.
The friendships built around the experience.
The team working together under pressure.

That’s the side of automotive culture Wragth Motorsports continues representing.

Real cars.
Real people.
Real validation under load.