Because of the dynamic nature of the equation, camshafts are one of the most misunderstood performance components on any motor. This is especially the case on the overhead-cam modular 4.6L Ford motor.
Thump, thump went the exhaust pipes as the sizzling Three-Valve engine idled with intimidation. Fellow S197 owners looked on with envy as Justin Burcham of JPC Racing warmed up a customer's '06 ...
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