Maddox builds pulsejet engines and installs them in motorcycles and go-karts. In this video ... "Diesel has more power than the propane and runs cooler and is easy to just pour into a fuel ...

The latest is this one-of-a-kind shifter kit with a jet engine built by "Turbo" Tim Arfons, according to Winding Road, who is the son of Bonneville Salt Flats legend Art Arfons. The kart features ...