


Flatness: How gas ports and flat ring grooves succeed with lightweight racing rings
By Sam Logan: A great many modern drag racing engines are equipped with lightweight piston rings. These rings require combustion pressures delivered through gas ports to achieve complete ring seal. Horizontal gas ports are used in oval track racing pistons to avoid...
ProMedia Events Announces Chevrolet Performance Challenge Series 2016 Schedule
Santa Ana, CA (November 17, 2015) – Home of the NMCA Muscle Car Nationals drag racing series and the “World’s Fastest Street Cars”, ProMedia Events is pleased to announce the 2016 schedule for the Chevrolet Performance Challenge Series. This...
Issue 42
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