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Message: [QUOTE="jordan572, post: 932576, member: 10582"] What he said, I really don't feel safe running a dump into the exhaust. You might get a consistent vacuum at idle but how about when your pulling a trailer under heavy load. Only thing I can think of is welding the dump pipe/bung in where you think best and drive around with a manometer hooked to it, which could become a little over the top. I wonder how much Vacuum is to much like asked previously. I would imagine that you could have a decent amount as the compressor inlet where the PCV currently dumps stock I would imagine sees a lot of vacuum when in high boost. I was thinking of finding the largest catch can out with the biggest fittings available. Mishimoto makes a can with -10 fitting or about equal to 5/8 hose, although this operates on a closed system meaning that the cleaned oil free air is meant to dump back into the air intake system. As far as I understand the process you could either return the cleaned air after the catch can filter back to the oe PCV dump spot or just let it discharge out of the outlet side of the catch can. Mishimoto claims that the can is a vacuum oriented catch can, meaning you need to run the outlet to a vacuum source. I don't see why you couldn;t just dump the outlet side of the can into the air though. From the looks from videos it looks like the 6.7 pumps a lot of blowby, don't see the need to tie it back into the system as I don't think it needs vacuum to assist the ccv process. [/QUOTE]

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