2014年5月26日月曜日

Target Afr For Big Bores?

Just a quick question for those who have done tuning with a wideband O2 sensor, what is the target AFR?



I'm running a 62.25mm piston (high compression) with Big valve head, camshaft with decomp, custom free flow exhaust, free flow air filter, Powertronics ECU.



Now the software has 16 throttle positions, 0% to 100% at 6.6 % increments, the last at WOT is 7.6%



Now according to my research, I should be aiming for this:



From idle to 3000 RPM 13.2:1...



Target Afr For Big Bores?



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