The 90 degree hose elbow attachment to the valve cover filler cap should just be an open air feed with hose going to the air cleaner, not a PCV valve. 2 of those would certainly defeat the purpose of the system.


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)