Mauler 440 Engine Hydraulic Flat Tappet Cam
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We pulled the hydraulic flat tappet cam to make way for our street roller. The cam did show serious power potential, but getting the right valvetrain, spring, and lifter combination to work with our fast 1.7:1 rockers proved problematic at higher rpm. A lot of trial-and-error and dyno time might have helped, and so would titanium valves, but at that point there's no doubt we would have burned through any pretense of economy with the hydraulic flat-tappet cam. View Related Article
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