Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

Running a single mile — at about a 10-minute pace — consists of 1,700 steps. And each one of those steps produces ground reaction forces of about two and a half times your body weight. And you know ...

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At least 150hp of a Pro Stock engine is due to the use of ultra high compression ratios (CR) of 16:1--or more. 110 octane race fuels make this possible, but don't be fooled into thinking that the use ...

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When you sit or stand still for long periods of time, your blood has to fight harder against gravity. It wants to return up to the heart, but ends up pooling in the legs — causing that uncomfortable ...

A four-stroke (or four-cycle) engine is so called because in the process of producing power, the piston passes up and down the bore four times. These strokes or events are the induction, compression, ...