1990 Mazda RX7 / Sandrail The name of this Mazda RX7-turned-sand rail? Doom Buggy. Yup. That sounds about right. • Jesse James, custom-bike builder/designer, West Coast Choppers, Long Beach, Calif. • Lil' John Buttera, hot-rod designer and builder, Lil' John's Place, Los Alamitos, Calif. • Jason Conant, car builder, Mazda Recycling, Elk Grove, Calif. • Mike Ferguson, sand-rail builder/racer and owner, Big Chicken Bar Stools, Tempe, Ariz. • Cole Foster, car and bike customizer, Salinas Boys Customs, Salinas, Calif. • Anthony Luera, graphic artist and bike builder, West Coast Choppers, Glendora, Calif. • Jim McKenna, technology services manager, Morrison & Foerster LLP, Alameda, Calif. • Art Osborne, designer, Honda Acura, Pasadena, Calif. • Tom Prewitt, custom painter, Damon's Motorcycle Creations, Brea, Calif.