Hidden Horsepower by Total Seal
Mark Cronquist and Lake Speed Jr. E10 Total Seal Piston Rings
03 Jun 2020
Mark Cronquist, Joe Gibbs Racing's head engine builder, and Lake Speed Jr. join Joe Castello on Hidden Horsepower. Mark talks about the design of the JD-1 engine, named after J.D. Gibbs, the drive to stay at the top in NASCAR, experiments that didn't work, oil analysis, and the evolution of racing engine technology. Mark even tells a story about when Jason Line worked at Joe Gibbs Racing.
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