Catch Can install - should I drill the AOS a bit ?

[Champagne]

I'm installing a cheap ebay kit for $20, should I drill the AOS out a little when I install the catch can?

I do NOT want to pull the AOS and drill, but I will if it is required.


TIA

[Techno Duck]

If your venting the catch can to atmosphere its probably not a bad idea. Not necessary on a recirc type.

I would consider going with a recirc type so you keep a proper vacuum on the crank case.

[Champagne]

Thanks Techno. I am reciculating the line back into the J boot.