Q:

What is an engine compression ratio?

A:

Quick Answer

The compression ratio of an internal combustion engine is the ratio of the volume of the cylinder's largest capacity to its lowest capacity. There is a compression ratio calculator at CSGNetwork.com, as of 2015.

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What is an engine compression ratio?
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Full Answer

Compression ratio of an engine with pistons is calculated by dividing the volume of the cylinder when the piston is at the bottom of the cylinder by the volume when the piston is at the top.

The compression ratio calculator on CSGNetwork.com is found by clicking Calculators and Converters on the home page, Automotive on the next page and then Engine Compression Ratio Calculator. Information such as bore size and piston stroke length is needed to calculate the compression ratio.

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