Pushrod Properties

Sunday, September 13, 2009
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When engaged in building Dodge Mopar engines for use in USAC’s National Midget series, Bob Wirth of Hayward, California relies on pushrods from Smith Bros of Bend, Oregon. He works with the raised port (RP) head and relates, “The RP cyli... read more
Tags :  valvetrain

Valve Spring Challenges

Sunday, September 13, 2009
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There are valvetrain tricks to making good power and obtaining durability and longevity from a Dodge Mopar USAC National Midget engine, according to engine builder Bob Wirth of Hayward, California. “We need them all.” The biggest problem... read more
Tags :  valvetrain

Poppet Valve Materials

Sunday, September 13, 2009
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Last month, we looked at the application of hollow valves, and noted, as had Anne Proffit’s recent article, that titanium is a popular choice for these components. Many engineers who specify hollow valves do so for reasons of mass reduction and impro... read more
Tags :  valvetrain
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