Ideal Fuel Ratio
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6th Gear
Joined: Apr 2008
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Ideal Fuel Ratio
I just had the dealer perform a race tune with dyno.Ouch, thats expensive! I installedK&N intake with V&H slip-ons on my '07 Low Rider. Dyno readings show a fuel ratio of 13.4to 13.5 across the grade. To lean, to rich, just right? Thanks!
Road Captain
Joined: Jun 2006
Posts: 580
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From: Colorado
RE: Ideal Fuel Ratio
I believe there is a workable range for the AFR. If you're down in the 12's, its probably a bit rich. 13.5 is a good compromise for power, economy, and cool running I believe; but, you could take it up towards 14 for better mileage. Stock, they target them at 14.7but itkeeps them hot. If it runs well for you, be happy with it!
Mark
Mark
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