Canned tunes (OFT) vs custom
My understanding is that canned tunes will be good enough for majority of owners, however, there's still room for improvement since every car is made slightly different. Even on completely stock cars, no 2 cars will respond the same to the factory tune.
My questions are, what should I be looking for in the datalogs to see how well my specific car is responding to the canned tune? Am I looking for AFRs and making sure command AFR is in line with the actual AFR? Basically, what can I see on the datalog to know that my car is responding well to the tune (what are e-tuners looking for)? |
There are some excellent threads on this by steve99. All you have to search is "ft86club OFT info"
http://www.ft86club.com/forums/showthread.php?t=64790 |
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So looking at a few logs, I noticed the AFR can be inconsistent. By fine-tuning the AFR, to be more consistent/smooth, does this result in a smoother power delivery? On a FA20DIT WRX, an e-tuner could just run the tune in full time closed loop. I'm assuming this makes it easier for e-tuners to tune. Can the FT86 platform be tuned in fully closed loop as well? |
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Fuel system status ol/cl AFR (actual measured by O2 sensor Commanded AFR ( from OL Fueling table data) LTFT STFT LOAD MAF Volts Throttle position IAT RPM |
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