Part 1 of building a fuel injected 125cc turbo go-kart, covering the initial setup and mechanical foundation. A hands-on ...

Do we think that this heavily modified Harbor Freight-sourced engine is stronger than the company's jackstands?

A Predator 670 engine costs $950 on its own, and the builder didn't stop there as he added Holley Sniper EFI, a turbo, billet ...

Have you ever wondered how forced induction would work on a tiny 150cc engine? For one, it would need a properly sized ...