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**Goat Blower** · 08-31-2005

I seem to remember doing some research a few years ago and seeing a link to excessive crankcase pressure and small amounts of knock.

I have both fittings running through vacuum tubing to atmosphere, no PCV valve. The thing I've noticed already is there is alot of pressure at WOT, enough to break my vacuum tubing twice. I'm going to run -8 or -10AN lines out of it to a custom aluminum one-quart catch can when I get around to it. I believe Brent has something like dual -12AN lines out of his.

08-31-2005	#4
Goat Blower aka Goodbye Asteroids Champion! Beach Squirter Champion! Join Date: Oct 2003 Location: under the car Drives: Taylor Made R15 Posts: 7,765	Re: Catch can use question... I seem to remember doing some research a few years ago and seeing a link to excessive crankcase pressure and small amounts of knock. I have both fittings running through vacuum tubing to atmosphere, no PCV valve. The thing I've noticed already is there is alot of pressure at WOT, enough to break my vacuum tubing twice. I'm going to run -8 or -10AN lines out of it to a custom aluminum one-quart catch can when I get around to it. I believe Brent has something like dual -12AN lines out of his. __________________ 2009 Corvette Z51-SOLD 1992 Mitsubishi Eclipse GSX-SOLD 2013 BMW Z4-Current summer hooptie 2017 GMC Yukon-Current winter hooptie