Buttonwillow, CA May 4-5 The Austin Roadster of Leonard Vanderhoof was one of 21 cars taking place in a special race group for prewar cars.Photo: Casey Annis The BMW 2002 of Larry Klamecki leads a pack of C- and D production cars including the Volvo of James Shaw and the Lotus Super 7 of Bruce Hayes.Photo: Casey Annis Tommy Thompson drove his beautiful Corvette to the overall victory in the A/B-production race.Photo: Casey Annis The Porsche 356 Speedster of Bill Kreidler.Photo: Casey Annis The magnificent 1934 Miller ÒBurd Piston Ring SpecialÓ of Tom Malloy.Photo: Casey Annis