DIY - Oil Catch Can (w/ M370 + Batt Reloc)

DEpointfive0 · 07-23-2013, 02:24 PM

Quote:

Originally Posted by Thorazine_IM

ok guys i got a question here. so between the pcv inlet and the intake tube hose there is this little black container that seems to be filtering air or something. what do these things really do? i have aftermarket CAI and i want to just get rid of these little "filters" and tap a hose straight to the pcv inlet and the intake.

They're baffles for extra oil, you can run without them

Thorazine_IM · 07-23-2013, 03:27 PM

Quote:

Originally Posted by DEpointfive0

They're baffles for extra oil, you can run without them

extra oil coming from the intake? for when you oil your filter too much?

wstar · 07-23-2013, 05:21 PM

Quote:

Originally Posted by Thorazine_IM

extra oil coming from the intake? for when you oil your filter too much?

Actually, those filters are mostly there to act as flame arrestors in the case of a backfire up through the intake manifold and out the throttle plates, so that it doesn't spread through the tubes and ignite your fuely crankcase vapors in the cylinder heads. Secondarily, it also keeps some of those vapors from feeding back into your intake in the case of temporary flow reversals in the PCV system. It's a good idea to have them in place if your PCV system works at all like the stock system. If you hate how they look, Z1 sells silicone replacement tubes which also have internal baffles/filters/whatever and aren't as bulky and ugly: Z1 Silicone Side PCV Breather Hose set for Aftermarket Intakes

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