For $12,000, V8-powered X90, that is all

In October of 1947, Chuck Yeager piloted the Bell X-1 rocket plane through the sound barrier and into the history books. While not quite that fast, today's Nice Price or Crack Pipe SBC-powered Suzuki X90 should be just as scary to drive, and its price may prove a substantial barrier. » 12/14/11 8:00am 12/14/11 8:00am

'Busa Kart!

What's that you say? Can't afford one of those new V8 Ariel Atom 500s? Well, who says the only way to have an insane power-to-weight ratio with four wheels is in one of those trackday toy cars? They're barely streetable anyways. Just do what this guy did, and mount a Hayabusa engine on your go-kart. It may have a… » 3/07/08 3:45pm 3/07/08 3:45pm