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09-13-2006, 06:49 PM | #1 |
Registered Member
Join Date: Jun 2006
Posts: 20
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need help- oil in breather & air/fuel problems
okay first i have oil coming out of my breather cap (carb engine) so i installed pvc in valve cover, still a little oil in breather.
next bought air/fuel meter from fast. can anyone give me a ideal of what i should be running @ idle and @ w.o.t and is jetting enough or should other things be consider into the adjusting? Thanks alot guys! |
09-18-2006, 10:31 PM | #2 |
Registered Member
Join Date: Aug 2006
Location: Yankton SD
Posts: 27
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Re: need help- oil in breather & air/fuel problems
Oil in the breather is likely blowby. Worn engine or maybe just stuck rings. Has the motor sat for a while?
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09-19-2006, 07:00 AM | #3 |
Moderator
Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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Re: need help- oil in breather & air/fuel problems
Normally aspirated I'd be shooting for 12.8 to 13.0:1 at WOT. A/F at idle will be dictated by other factors such as curb idle setting, corner idle adjustment, vacuum level, power valve setting, etc. Try to get your idle to 14.7:1 or higher. Don't worry about it being too lean at idle; the engine isn't under any load at idle so there's no fear of damaging the engine. Its not uncommon to see a car idling at 17:1 or more. The only effect of doing so is increased NOx emissions and somewhat higher engine temps.
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Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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