Pushrod priority

Friday, August 14, 2009
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In our July RET-Monitor, we looked at Terry Manton’s projected use of a copper-hybrid pushrod adjuster tip to aid NHRA Pro Stock runners in the Full Throttle Drag Racing Series. Manton Pushrods, of Lake Elsinore, California tested the initial p... read more
Tags :  valvetrain

Valve spring progress

Friday, August 14, 2009
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Nitromethane-fed engines have different ways of destroying their valve springs. There are challenges, as there are in every type of motor racing, to help valve springs survive the sub-four-second damage realities these springs face. Jim Oberhofer, r... read more
Tags :  valvetrain

That hollow feeling

Friday, August 14, 2009
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Following on from Anne Proffit's recent article on the application of hollow valves in drag-racing, we look at some of the more general benefits of hollow valves and their use in racing. These valves are used in all sorts of racing engines (and have ... read more
Tags :  valvetrain
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