The mechanics of the PCV inside crankcase...

[mujirushi]

The nerd in me loves research, especially when I look at a sealed unit (IE: the PCV system in the crankcase).

When I crawl in YouTube, I came across these two videos:

Talks about how the PCV system works:

The inner structure of the blackbox:

Just thought someone may be interested, and if possible, verify if their assumptions stands correct?

 

[neilgsxr69]

There have been a few instances I’ve heard about where aftermarket rocker covers have caused engine breathing problems that first video could be why