Fuel tuning - Subaru WRX Forum
 
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#1 Old 06-21-2003, 03:49 PM
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Question Fuel tuning

Hi,
What is a good AFR to aim for when tuning a fuel map? Obviously 14.8 is stoch, and fuel enrichment is used to cool the intake charge & prevent detonation, but at what point does it become excessive?

Thanks
-Bob
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#2 Old 06-21-2003, 09:58 PM
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From what I've heard/seen, WRX's like to run rich. 14.4 or so usually causes knock. I'd say try to stay in the 13.8-14.0 range. Do you have a UTEC or something similar?
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#3 Old 06-21-2003, 10:28 PM
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actually....14.7 is stoichiometric....but whos counting?
JOEY
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#4 Old 06-22-2003, 04:00 AM
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