Need a port for PCV.
Not needed, it's a GM thing. You can draw clean air from inside the air cleaner or directly from a breather on the valve cover. This breather should be something like a K&N ideally.
So where this diagram shows a "closed oil filler cap" with the hose to the air filter, you just eliminate the cap & hose, and put a filtered breather like this in the valve cover.
Not needed, it's a GM thing. You can draw clean air from inside the air cleaner or directly from a breather on the valve cover. This breather should be something like a K&N ideally.
So where this diagram shows a "closed oil filler cap" with the hose to the air filter, you just eliminate the cap & hose, and put a filtered breather like this in the valve cover.
