Just an FYI. My local BAR referee required a closed PCV system. This meant a PCV valve plumbed as yours is to a vacuum port and a breather on the other valve cover plumbed to the air filter. One thing my inspector pointed out ahead of time is that your hoses need to be rated for the PCV system. On my hoses the PCV side is identified with ridges along the hose. On the air cleaner side my hose I'm pretty sure it's printed right on it. The best thing I did is contact the BAR referee ahead of time and took a few minutes to discuss my build and his requirements. Did the same thing with CHP and Brake/Lamp/Safety inspection.

If you live in Commifornia you will need a PCV valve to pass SBC100 inspection so I ended up installing one

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