Leo Santucci has been building and racing six-cylinder Chevrolets for the past 40 years. He has researched everything written on sixes during that time. You will benefit from his i...view moreLeo Santucci has been building and racing six-cylinder Chevrolets for the past 40 years. He has researched everything written on sixes during that time. You will benefit from his interviews with many six-cylinder heroes including Glen Self, Cotton Perry, Mike Kirby, Al Weiss, Rob Harrison, Frank Duggan, and the late Kay Sissell, Jim Headrick, and “California Bill” Fisher.view less