Bore and stroke do far more than define engine size. They help shape airflow, piston speed, torque delivery, and rev ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...

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Everybody knows that the right way to build an engine is to use precision measuring tools to establish the proper internal engine clearances. The problem used to be that these tools were expensive ...

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One of the longest lasting debates in the American fire service is the smooth bore vs. fog debate. One of the greatest problems with this debate is that in many areas of today’s fire service, it has ...