Blow-by (noun) Definition, Meaning & Examples

noun, plural blow-bies.Automotive.
  1. leakage of the air-fuel mixture or of combustion gases between a piston and the cylinder wall into the crankcase of an automobile.
  2. a device, fitted to a crankcase, for conducting such gases back to the cylinders for combustion.
noun
  1. the leakage of gas past the piston of an engine at maximum pressure
Blow-by (noun) Definition, Meaning & Examples

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