The stiffer the better

Sunday, November 15, 2009
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Up until about five years ago, the standard pushrod outside diameter for a USAC National midget engine was 5/16 inch, costing roughly $6 each. That has changed, according to Frank Honsowetz of Ed Pink Racing Engines (EPRE). Now, he uses one of two Tr... read more
Tags :  valvetrain

Build a stable spring

Sunday, November 15, 2009
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What does it take to build a better valve spring for USAC National Midget use? Frank Honsowetz of Ed Pink Racing Engines (EPRE) in Van Nuys, California cites a long-term relationship with Steve Pound at PSI Springs as his great starting point. &ldqu... read more
Tags :  valvetrain

Valve Surface Treatments

Sunday, November 15, 2009
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In recent articles, we have assessed some of the materials employed in the manufacture of racing valves. This month we will take a break from this recent theme, and take a brief look at some of the surface treatments used on racing valves, perhaps re... read more
Tags :  valvetrain
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