Motor Trend: How to: Installing a 3.9L Cummins dual valve cover and breather assembly on a 12-valve 5.9L
How to: Installing a 3.9L Cummins dual valve cover and breather assembly on a 12-valve 5.9L
Venting a typical V-8 engine isn't a complex affair. A breather atop each valve cover is usually all that's needed. Of course, replacing one with a PCV valve to introduce a bit of vacuum into the ...
Hot Rod: Editor’s Garage: Hide a PCV Valve in an Aluminum Breather and Add Cool Plumbing
Editor’s Garage: Hide a PCV Valve in an Aluminum Breather and Add Cool Plumbing
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All engines need some sort of crankcase pressure relief. Whether it's in the form of a simple breather, or a more effective PCV system, you need a way to vent blowby gases inherently generated by a ...