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Old 09-23-2020, 08:48 AM   #8
DonVaughnS13
 
Join Date: Aug 2011
Location: Raleigh, NC
Posts: 42
Trader Rating: (2)
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Quote:
Originally Posted by SupaDoopa View Post
That's a subjective question. Like S14 said, some do it as a precaution while others swear by it and then there is the crowd that doesn't do it at all. It's personal preference but adding an attachment point is suggested.
Quote:
Originally Posted by Kingtal0n View Post
If you put a restriction on the hose and fail to measure crankcase pressure while cruising and at idle you run the risk of pulling too much vacuum on the crankcase which will pull all the oil seals into the engine i.e. damage the front and rear main seals. which of course means rebuilding the engine.

So if you dont plan to measure the crankcase pressure properly using a gauge (it should measure approx 2-3" of Hg maximum at all times) then do not use a restrictor at all just leave the hose open.

this will ruin the effects of PCV pressure drop but it will remove any concerns over whether the oil seals will be damaged.
Thanks all, it's really appreciated.
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