Pontiac GTO 400 Engine Block Build Up - Poncho Honcho
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Money was well spent on the benefits of a hydraulic roller camshaft from Comp Cams. The design of the roller cam lobes lets the valves reach maximum lift more quickly per degree of duration than flat-tappet cam lobes, which aid cylinder filling and evacuation, thus increasing power output. Less overlap required in a hydraulic roller as compared to a hydraulic flat-tappet to get this increased power can result in a smoother idle and improved low-speed performance. There's also a reduction in friction thanks to the roller lifters. View Related Article
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