Project vehicle: 1972 Peterbilt Semi-truck Jesse's a master bike builder. But just how will he tackle the challenge of transforming a semi-truck of all things into a diesel-fueled three-wheeled chopper? รขโฌยข Jesse James, custom-bike builder/designer, West Coast Choppers, Long Beach, Calif. รขโฌยข Randy Grubb, glass artist, engineer and co-owner, Blastolene Brothers, Grant's Pass, Ore. รขโฌยข Michael Leeds, artist and co-owner, Blastolene Brothers, Santa Cruz, Calif. รขโฌยข Bernard Juckli, Jay Leno's chief mechanic and former aircraft mechanic, Los Angeles, Calif รขโฌยข Dan Owens, head machinist, Panavision, Wenatchee, Wash. รขโฌยข Robert Vaughan, maintenance engineer, Vanguard Plastics, Wylie, Texas