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FK2 Calibrations - Comments and Instructions Need

Posted: Tue Jul 14, 2026 5:47 pm
by tak.wai1216
I have used the available calibration for FK2, just ticked the boxes for increased boost limit. I have datalogged few times, and transferred to PC and check is the car running ok.
By using some comments found in the forum, I have noticed the short trim % is between +11 and -10, not within +5 and -5 range, so how to adjust to optimal range? The long trim% is between +4 and -3. I have also found there os a knock % of 4, is that mean a problem there?

Re: FK2 Calibrations - Comments and Instructions Need

Posted: Thu Jul 16, 2026 9:05 am
by Spunkster
If you have an aftermarket intake then the AFM may need to be fine tuned to get the AF correct.