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McGruber21 posted a topic in Nissan L6 ForumMy 280z has an AZ zcar 4 barrel Holley carb manifold on it and I have deleted the PCV, that would normally vent back into the stock EFI manifold, with just a filter venting to atmosphere. The engine runs great and pulls hard but I've noticed oil fumes while Im driving and engine braking, now I have no engine oil leaks and my engine doesn't burn oil, so i have isolated the smell to the air filter that Ive attached to the Crankcase vent tubing on the side of the engine(shown in pictures). My question is, can I run any inline PCV valve with a rubber hose running down toward the underside of the car with an air filter on the end? or does the PCV need vacuum? I know I'm losing some power by venting straight to atmosphere, I understand that vacuum in the crankcase can increase horsepower in some instances, but I mainly want to fix the oil smell. Thanks.
I found this rubber elbow fits nicely. I thought I was being smart, sticking the PCV valve in there but, lol, I realized its not protecting the top vent from backfire. so I got to re think my set up, but the black rubber elbow works as a simple solution for making a connection for the lower fitting. I found it in the "help" section at AUTO-ZONE, It's DORMAN part number 46035. Its actually the second one I have had. The first one developed surface cracks after 3 years. That's to be expected I guess, next next to that header. No big deal, just picked up another one $10. I'll do a full write up on my final setup when I get it finished. Hope this helps someone.