|
|

|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
|
| North Coast Jim |
Aug 26 2026, 08:27 AM
Post
#1
|
|
Member ![]() ![]() Group: Members Posts: 349 Joined: 11-December 15 From: Northern Ohio Member No.: 19,450 Region Association: MidAtlantic Region
|
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. |
![]() ![]() |
| Dave_Darling |
Aug 28 2026, 11:57 PM
Post
#2
|
|
914 Idiot ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 15,364 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
|
One minor problem is that there is no "correct" PCV setup for a carbureted four-cylinder 914. US-spec cars did not come with carbs on them, and those were the ones with mandated PCV systems.
Your setup is aftermarket, and you or whoever you had convert it has to work out how to deal with the fumes and such. --DD |
North Coast Jim Proper PCV arrangment for a 2L Aug 26 2026, 08:27 AM
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
JamesM
Interesting. I did not know this. Is that plug ... Aug 27 2026, 07:39 AM
JamesM I suspect people have found these before and had n... Aug 27 2026, 07:42 AM
emerygt350 Now I need to find one.... Aug 27 2026, 02:05 PM
JamesM
Now I need to find one....
Unless you are just ... Aug 27 2026, 02:45 PM
emerygt350 Yeah, I just went to Lowe's to look at options... Aug 27 2026, 07:02 PM
JamesM
Yeah, I just went to Lowe's to look at option... Aug 28 2026, 08:55 AM
914werke
I suspect people have found these before and had ... Aug 28 2026, 07:22 AM
JamesM
One minor problem is that there is no "corre... Aug 29 2026, 08:19 PM
Ninja :agree: :agree: :agree:
And then...
A vacuum ... Aug 29 2026, 10:24 AM
North Coast Jim
Have a newly rebuilt 2L in the car with 40 IDF We... Sep 2 2026, 08:35 AM![]() ![]() |
|
Lo-Fi Version | Time is now: 22nd October 2026 - 08:32 PM |
| All rights reserved 914World.com © since 2002 |
|
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |