Pushrod stiffness

Thursday, August 11, 2011
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The pushrod, or overhead valve (OHV), engine has a lot to recommend it in terms of packaging, although it achieves this at the expense of much valvetrain stiffness compared to an overhead cam (OHC) mechanism. One of the least stiff members in the pus... read more
Tags :  valvetrain

Double-spring valve springs for success

Thursday, August 11, 2011
Comments (1)

John Force Racing (JFR) is one of the most successful Funny Car teams in the history of the NHRA Full Throttle Drag Racing Series. Understanding that multiple team cars on the track results in successfully shared technology, JFR this year is competin... read more
Tags :  valvetrain
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