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Re: Mid 70's Muncie 4 speeds
Posted to Technical Discussion Forum on 1/16/2026 1 Reply

Hi Louis,

The PCV system has always been a good thing unless they quit working properly.

I was once told the history of the PCV goes all the way back to WWII, when the military used them basically to keep water from getting into the engines used in tanks a... Login to read more.

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