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? • Jesse James, custom-bike builder/designer, West Coast Choppers, Long Beach, Calif. • Randy Grubb, glass artist, engineer and co-owner, Blastolene Brothers, Grant's Pass, Ore. • Michael Leeds, artist and co-owner, Blastolene Brothers, Santa Cruz, Calif. • Bernard Juckli, Jay Leno's chief mechanic and former aircraft mechanic, Los Angeles, Calif • Dan Owens, head machinist, Panavision, Wenatchee, Wash. • Robert Vaughan, maintenance engineer, Vanguard Plastics, Wylie, Texas (thetvdb.com)