| 摘要 |
A method and apparatus for preventing the intermixing of coolant, lubricant and combustion gases in an internal combustion engine comprising a lamination of copper and non-asbestos paper for blocking off the majority of fluid passageways in the vehicle engine block and head assemblies so as to prevent fluid migration between the fluid passageways and the combustion chambers therein. The material of the head gasket is provided to be extruded into the blocked passageways so as to more effectively seal the passageways. An elongated hollow tubular insert is provided for use in the unblocked fluid passageways so as to afford additional protection against fluid migration between a fluid passageway and a combustion chamber in the engine.
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