Maybe you’ve heard about Rob Dahm’s insane 12-rotor engine that runs three turbos? Well, this is kind of like the opposite. It’s his single-rotor Miata, which he’s been building and featuring on his YouTube channel for the past year or so. Dahm got it on the dyno recently, and the result was surprisingly good. In fact, it’s rowdy enough to grenade the rear diff if you try hard enough.
This build has been one of the best to follow on YouTube in a minute. You could spend hours watching all the one-rotor videos so far, but what you need to know is that the engine is made almost entirely of billet aluminum, weighing right around 70 pounds. An internally wastegate …
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Author: Caleb Jacobs
