 Proper PCV arrangment for a 2L, A little help please |
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| North Coast Jim |
 Aug 26 2026, 08:27 AM
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Member  Group: Members Posts: 347 Joined: 11-December 15 From: Northern Ohio Member No.: 19,450 Region Association: MidAtlantic Region 
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Have a newly rebuilt 2L in the car with 40 IDF Weber carbs which is running fine except for a RMS dripping oil. We believe we installed it correctly and took careful steps assembling the rest of the engine/flywheel/clutch/transmission. We believe that the crankcase vent system is not working properly which is pressurizing the crankcase as RPM builds, thereby pushing oil out the RMS.
My oil fill assy has a 022115542 PCV assy in it and a solid oil fill cap. I took the valve out to see if it was working. When I blow into the bottom it is initially open. Increased pressure it closes the valve. Seems backward to me. My oil fill tower has no vent in it. I do know that when I got this motor, 6 years ago, the PCV assy was in pieces all captured in the oil fill assy. I took it out and reassembled it thinking it was correct. Maybe not ?? I have Len Hoffman heads when he sold them direct and the vents are capped shut per his instructions. Any help is appreciated. |
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Posts in this topic
914werke Lens suggestion (from that article) is in additio... Aug 26 2026, 09:28 AM
North Coast Jim
Lens suggestion (from that article) is in additi... Aug 26 2026, 10:25 AM JamesM
We believe that the crankcase vent system is not ... Aug 26 2026, 10:28 AM emerygt350 Interesting. I did not know this. Is that plug s... Aug 26 2026, 04:09 PM  |
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