Shifter karts at Laguna Seca – Click above to watch video after the jump
Honda CBR 900RR-powered go kart - Click above to watch the video after the break
Scuderia Toro Rosso's Scott Speed will return to his racing roots in November, sliding into a shifter kart to race in the 10th running of U.S. karting's SuperNationals in Las Vegas.
What is it with slapping jet engines on all forms of four-wheeled machina? 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 a JFS100 turbine that was commandeered from its previous life as a starter for the main engine of an A-7 Corsair fighter plane. The jet engine can spin to a lofty 72,000 rpm and run on either jet fuel, diesel or kerosene –