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Ideal Air/fuel ratio's

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Old Oct 30, 2004 | 10:02 PM
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Default Ideal Air/fuel ratio's

What is an ideal a/f ratio... Mine is currently running about 13-13.2 from 3.3k to the fuel cutoff.. I'm sure this is a safe tune.. What levels can i take this too, and at what point should i begin to worry..
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Old Oct 31, 2004 | 09:56 AM
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Originally Posted by jz06man
What is an ideal a/f ratio... Mine is currently running about 13-13.2 from 3.3k to the fuel cutoff.. I'm sure this is a safe tune.. What levels can i take this too, and at what point should i begin to worry..
I have been told that 12.5 to 12.8 is ideal at WOT.
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Old Nov 1, 2004 | 09:11 AM
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I run mine at 12.1-12.3 at WOT. I have CATS up under the firewall so they like to be kept moist. Too hot and the O2 sensors will be affected, as well as risking a false lean condition.
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Old Nov 1, 2004 | 09:15 AM
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12.8-13.0 or even slightly leaner on the street is fine for the most part. If your running 13.3 on a dyno t hats a different story.
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Old Nov 1, 2004 | 09:20 AM
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I'm 12.8-1 at WOT from 2500-6800 rev limiter across the board on the dyno. A tad higher 13.0-1 on the street.
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Old Nov 1, 2004 | 09:06 PM
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Sorry may a mistake read the file. I am at 13.0-12.8 3300k to fuel cut off...

This ofcource what an a dynojet..
How much leaner can i do without any issues??
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