Richard Holdener

Video: Measuring Power & Torque Gains From a Cam Swap in a 5.0L Ford

In today’s video, engine builder Richard Holdener is going to show you the dyno results of a previously modified 5.0L Ford engine before and after a cam swap (and unplanned valve spring replacement). Before the cam swap, Holdener is starting with an engine constructed of a BluePrint Engines 306 cubic-inch short block crate engine (a

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