Power Driven Just Bought The Most Legendary Name In Diesel Cams

Power Driven Just Bought The Most Legendary Name In Diesel Cams

July 31, 2026 · 49 min · Season 2 · Episode 27

About this episode

The episode discusses diesel camshafts, their unique characteristics compared to gas engines, and announces Power Driven's acquisition of Colt Cams.

This week Todd, Will, and Myer sit down to talk about something that gets asked about constantly but rarely gets explained right, camshafts. If you have ever wondered why your buddy's diesel sounds smooth while another one lopes like a muscle car, or whether a bigger cam is going to kill your fuel economy, this episode breaks down exactly what is going on inside your engine and why diesel camshafts do not follow the same rules as gas performance builds. The guys also announce something big for the diesel performance industry. Power Driven has acquired Colt Cams, the original name in diesel camshaft development founded by Jeff Colt, and it is now officially under the Power Driven umbrella shipping out of America. The crew talks about what owning that brand outright means for R&D moving forward, including in house cam design and testing on their own engine dyno. From there the conversation gets into real cam theory. Todd, Will, and Myer explain why diesel duration numbers look nothing like gas cam numbers, why a factory Cummins cam is built around torque and RPM range instead of high end horsepower, and why a bigger cam on a Cummins diesel tuning setup usually helps fuel…

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