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08-23-2024, 08:54 PM
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#20 |
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Post Whore
 
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,274
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Re: 1970 Chevrolet C20 Pickup - Motor Leaking Oil
Here is a primer on the crankcase ventilation system. If the system has leaks from bad seals and/or a defective PVC valve it can cause several problems including old leaks. The system is pretty simple and the cost to repair it is low.
https://www.mechanicaleducation.com/...ion-pcv-valve/ Basically low pressure is created in one valve cover so air flows from the breather on the other valve cover into the intake manifold through the PVC valve.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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