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Reply to "New exhaust to cure a hot-running engine"

IaM-Ray

"It's a great simplification, but I've heard an internal combustion engine described an air pump. The engine's got to breathe: air in, air out. Anything impeding the flow of the air in and out creates problems."

Great and appropriate explanation coming from an HVAC guy .... Air Pump...

4/5/197:22 AM

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