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-   -   PCV valves (https://67-72chevytrucks.com/vboard/showthread.php?t=801440)

eighteenninetytwo 02-18-2020 04:40 PM
PCV valves
 
Hi there.
I've started looking into what needs improving / fixing on my 1975. One thing that I've noticed is that BOTH covers have PCV valves which then link up and are fed into the carb. I have been advised to have a breather one side and a PCV on the other. Are there any negative effects of running two PCV's that I should look for and might have to address?


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