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porsche.racer · Joined: 20 Jun 2006 Posts: 106 Location: california, US

ho much smoke (fumes) come out of the case breather into the oil water seperator? LOTS or little? I seem to have lots of oilly fumes from my breather if I discontect the line in and vent it out to the world?? Anyone know?
Thanks
I know this is an objective estimate (lots) but ...... when I disconect the brether line its a constant stream of fumes clearly visable.
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1987 911 3.6L Carrera with LSD
1986 944 Turbo (Track)
1972 911 3.0L Turbo Look
1988 944
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-nick · Joined: 16 Nov 2002 Posts: 2699 Location: Cambridge, MA

If you can see the fumes, then it's probably too much. This is at idle speed too??

A leak-down will tell you what shape your rings are in. Broken top compression rings are fairly common on stock 931's with some mileage on them.
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1980 931S
15psi boost, MS-II, EDIS, 951 IC, custom intake, Ford 5.0L throttle body, Forge BOV, WB o2, G31 w/LSD, 964 wheels, 968 rear sway, Bilsteins, 200# Welt. springs. A laptop, and a partridge in a pear tree.
1991 964 C4 Cabriolet