Squish meaning

Squish definition

An area in the combustion chamber of some engines where the piston squishes or squeezes part of the fuel-air mixture at the end of the compression stroke . As the piston approaches top dead center , the mixture is pushed out of the squish area and this promotes turbulence, further mixing of the fuel-air mixture and more efficient combustion .

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Automotive terms beginning with "S", page 34

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