Quote:
Originally Posted by BB_cuda
Some of us see the need to keep crank case to turbo inlet connection for opposite reason. This would be To keep crank case below atmospheric pressure. Biggest concern on this front is not blowing oil seals by building up crank case pressure. TDI had done some crank case P measurements using a manometer and used dip stick tube as reference port. He showed that the crank case stays below atmospheric pressure and looked at measurements while driving too.
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Ditto. A lot of specifics before and after this post in that thread including manometer measurements. As boost and rpm increases the vacuum significantly increases...
http://www.e90post.com/forums/showpost.php?p=15409846&postcount=319