Hollow drag

Sunday, June 14, 2009
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The use of hollow stem titanium intake valves is slowly beginning its reach into the drag racing community, as a few Top Fuel teams are taking on the use of these weight saving and power enhancing parts that are used in many other series. Sometimes i... read more
Tags :  valvetrain

Valve spring destruction

Sunday, June 14, 2009
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Roy Johnson, engine builder for son Allen Johnson’s NHRA Full Throttle Drag Racing Series Pro Stock Dodge Stratus, lives to demolish the valve springs provided by Performance Springs, Inc. (PSI). “Valve springs are an ongoing problem for ... read more
Tags :  valvetrain

Burning the cap

Sunday, June 14, 2009
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The Pro Stock contingent of National Hot Rod Association Full Throttle Drag Racing competitors has always had a problem with pushrods: they just can’t find a way to stop them from burning up, particularly at the cap. For two years, Terry Manto... read more
Tags :  valvetrain
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