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Old 06-26-2014, 10:20 AM   #7
atrokz
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Join Date: Jun 2007
Location: teedotohdot
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I have tried both. VTA is vent to atmosphere, where I'm venting from the head and the crank case to a catch can. You really need to vent from both if running VTA.

I've also run through a catch can, to the intake, to run a closed system under vacuum. I found this still pulled in oil at WOT runs. I'm slowly fabbing up a catch can that should work better to allow this to be used again, without the oil.

If you're losing that much oil, something is up. I'm burning very little oil even running VTA. I don't need to top it off between 7000k oci's.
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