ZR-1 Net Registry Forums - PCV Valve(s) Replacement

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ralph92ZR1

01-17-2006 06:28 PM

PCV Valve(s) Replacement

Doing some inexpensive winter-toolin around. Curiosity - from the book 1 of 2 service manuals for a 1992: there are 2 PCV valves and are not interchangeable. AC types CV746C and CV913C, however only CV913 is available and the other replaced by CV769C as per the GM dealer. My question is why 2 different sizes? Does anyone know the difference in function? Thanks...

ZR1 MK

01-18-2006 12:51 PM

Re: PCV Valve(s) Replacement

See the link below for some insight.
http://listserv.corvettemuseum.com/c...&P=R52428&I=-3

ralph92ZR1

01-18-2006 04:04 PM

Re: PCV Valve(s) Replacement

Quote:

Originally Posted by ZR1 MK

See the link below for some insight.
http://listserv.corvettemuseum.com/c...&P=R52428&I=-3

Thanks Mike that link helps. I would still like to understand why 2 different sizes?

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