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Engine builders, and racers alike, think about improving the performance of their engines using this 4 stroke approach, or what I prefer to call the “old 4 process.” Sometimes people focus on the 4 critical camshaft timing events – intake valve opening (IVO), exhaust valve closing (EVC), intake valve closing (IVC), and exhaust valve opening (EVO) to characterize engine performance. This was a good step forward, but a finer breakdown is needed to really understand racing engines. Instead of the traditional 4 strokes, the modern high performance engine should be thought of as having 7 distinct individual processes. This “7 process” approach focuses on air flow through the engine and is a result of two decades of research while developing the world's most popular racing engine software -- "Engine Pro" - Read More
Racers will spend countless hours fixing their race cars, doing routine maintenance, and tweaking with various settings, but they are much less likely to do anything with their mental game. If you ask other athletes involved in golf, baseball, or most other sports they are much more likely to talk about such things as centering and getting in the flow. However, for many racers, they spend more time working on their race machine than working on their brain machine. - Read More
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|My name is Don Terrill and this is a photo of me during the only full season I could stomach in Nascar. In that season I had three poles and two outside front rows -- better than any other engine builder that year. On this site I will share what I know that others don't.
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