That can more so point to if your Original pcv was on it’s last legs. The spring inside may have been extremely worn and stuck closed/open. But since your truck is happy with it, I would let it be.
Because according to MPC(Manufacturer of PCV valves) with hard use, the valve should be replaced every 25,0000 miles.
For those running a dual valve, I have some valuable information that will make you think twice. Let me tell you I was surprised as well. Tho I believe I will stay quiet to not stir something up.
Without pushing too many buttons, let’s just say dual valve catch cans provide less than expected evacuation.
The one picture was taken from many provided in the patents. Engineering side shot describing each and every function of the two pcv valves. Those numbers all correspond with Specs written inside the patent providing flow characteristics and CFM. Even goes into full detail how the improved PCV was created with a Venturi effect. Which I thought was pretty neat.
I had a brown one on my 2.7 but I gutted it with a metal punch. Figured the check valves in-line with my upr dual can system would keep everything going in the right direction. Assuming the check valves would meet flow requirements
I would definitely not gut the pcv valve with that setup. You will suck up oil. The pcv valve is calibrated to close at a certain vacuum to prevent oil being sucked up. Check valves have no flow restriction compared to an pcv valve.
Full-race setup is the only setup you can gut the pcv valve on.
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