CategoryThunder Roadster (Yamaha ST4)

Finding Speed Through Weight Reduction: Thunder Roadster Edition

The yamaha powered Thunder Roadster after a 90 lb weight reduction.

After my deep dive into Classing the Thunder Roadster, it is exceedingly clear that Yamaha-powered variants are running at a significant disadvantage. Furthermore, I am on a quest, so to speak, to find a competitive, sub-20k racecar that punches well beyond its price point. And since the Spec...

Classing the Thunder Roadster: Prep 1, Prep 2 and Beyond

Visually, the Thunder Roadster Extreme series looks just like GTR with a lot more oomph.

I am happy to report that my love affair with the Thunder Roadster has not waned. If anything, it has sparked an engineering journey that I am super excited about. And throughout that process, I have found the documentation around the Thunder Roadster severely lacking. As I continue down this path...

Introducing the Yamaha Powered Thunder Roadster

Thunder Roadster entering turn 1 at Nashville Superspeedway.

Sometimes your subconscious makes choices that you aren’t 100 percent aware of. And over the last two seasons, I have experimented in several racing series. With nothing quite feeling right. There was always this nagging, ‘this ain’t it’ feeling, no matter how I approached...

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The OG Crew @ Memphis International Raceway