Quote:
Originally Posted by hOngsterr
i thought going with a s13.4 you wouldnt need a catch can?
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Changing the valve cover design isn't going to eliminate blow-by!
I think people don't understand the "crankcase vent", It's routed to the valve cover because the valve cover has provisions for evacuation. On the oem S14 valve cover, the oil that may come up from the crank case, will not make it to the intake like in the s13 config. The valve cover acts like and oil air separator, in the s14 and s13.4 configs.
So adding a catch can just insures there is no oil in the intake.
Quote:
Originally Posted by slider2828
Hey Matej. I would put the pcv to the greatest vacuum source which is the intake/catchcan... To tell you the truth, so you can pull as much vacuum as possible. T'ing pretty much always reduce flows for any fluid and gases. So no T, but to catch can....
I think 10mm is large enough because might start pulling in oil if any bigger....
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The valve cover is supposed to be low pressure (I know), but that's why the PVC blocks boost from entering the valve cover. So you could remove the pvc line from the intake manifold and route it to a sealed catch can and have it purge constantly. Will it be enough vacuum? IDK.