If your vehicle has been running roughly or seems to be losing power, it's possible that there's a lack of pressure in one or more of the cylinders. Without enough pressure, the fuel/air mixture doesn ...

You've heard that pistons have rings, but have you ever wondered why there are three? Here's how piston rings work together ...

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, ...

Every new electric-car announcement is touted as another nail in the coffin of the internal-combustion engine. But the internal-combustion engine keeps fighting back. The latest counterpunch comes by ...

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 ...