Uploaded September 2022 | Updated September 2026, 3 days ago

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If you watched a previous video we did with Lake Speed Sr and Jr you saw us load up an old engine he had sitting in his former Winston Cup race shop for almost 20 years untouched! Lake has a 1993 Purex Thunderbird left over from his days as an owner driver that he briefly used in vintage racing in the early 2000s. He has not driven a stock car since then. We are going to refresh this period correct engine and Lake is going to get back in his old car at 74 years old!! In this video we are at Comp Cams in Memphis TN with master guru camshaft scientist Billy Godbold. Billy explains the evolution in cam design over the last 20 years and shows us how to look at a chart and tell how a cam will sound!

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