Not really - other than as an overflow port if you don't empty accumulated oil in the canOriginally Posted by Mile High VX
If you want to add a breather, you'd get more benefit from adding one to the oil fill cap since it's on the other bank of valves.
Don't need no discussion about there being a channel between the banks to equalize pressure. I did it on the 3.2L in the Amigo & it seemed to help. Rekin my next step will be to put in Rotella at next oil change.
One suggestion is to mount the catch can at some distance from the PCV port on the valve cover and at a slightly uphill run. That'll allow oil to condensate inside the tube & run back into the valve cover. That way you'll keep more in the pan & less in the can. A service loop (upward gooseneck) wouldn't be a bad approach either.
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