---------------------------------------------------------- Stratus-List Digest Archive --- Total Messages Posted Tue 05/25/04: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 03:39 AM - Fw: [subaruaircraft] Re: CRANKCASE BREATHER (gary) ________________________________ Message 1 _____________________________________ Time: 03:39:06 AM PST US From: "gary" Subject: Stratus-List: Fw: [subaruaircraft] Re: CRANKCASE BREATHER --> Stratus-List message posted by: "gary" hmmm ... use more oil? sounds familiar. mine spews black soot - i know they should run a bit rich because of the intake but maybe this contributes? i may try to make an air/oil separator. one guy replied that he made one for pennies. gary ----- Original Message ----- From: eaainc@aol.com Subject: Re: [subaruaircraft] Re: CRANKCASE BREATHER In a message dated 5/24/2004 2:46:26 AM Eastern Daylight Time, midniteoyl@wi.rr.com writes: Crankcase breather is ususlly routed back to the intake manifold and burned... also keeps a slight vacumm in the crankcase to reduce pressure on the piston and rings. jim Don't do this on the airplane. You would use more oil, the intake manifold and throttle body will get greasy inside and because the engine output is continuously higher in the airplane, there is a need for an unrestricted and open vent that cannot get clogged like a PCV valve could. Jan Jan a.. To visit your group on the web, go to: http://groups.yahoo.com/group/subaruaircraft/ b.. To unsubscribe from this group, send an email to: subaruaircraft-unsubscribe@yahoogroups.com