Engines_16

A typical car engine has 4, 6, or 8 pistons inside cylinders. The pistons move up and down, turning a crank that turns the wheels of the car. (Note: The cylinders are not shown in this picture, so you can see how the pistons attach to the crankshaft. Shutterstock / Alex Roz)

A typical car engine has 4, 6, or 8 pistons inside cylinders. The pistons move up and down, turning a crank that turns the wheels of the car. (Note: The cylinders are not shown in this picture, so you can see how the pistons attach to the crankshaft. Shutterstock / Alex Roz) Read More

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