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Old 08-03-2014, 06:16 PM   #21
steve99
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Quote:
Originally Posted by Walla Walla View Post
here, i've registered the required parameters

http://datazap.me/u/walla-walla/stag...-3rd-gear-pull

i think it doesn't appear within the 3rd gear pull, but prior to recording, on highway cruise (6th gear, 115-120km/h), i saw at least once a fl knock correction of 0.38 degree, and after the pull, still on highway cruise, i saw a few knock correction, at around 0.35 degree and 0.62 degree. so.. is it bad?
Your afr look fine fuel trims ok . The odd bit of 0.7 or so knock correction is almost inevitable. hower the -3.5 your getting at high rpm and load needs some action, either run better fuel octane booster or pull about 2 degrees out of the BASE TIMING B table for you ROM at engine loads 1.2 & 1.3 & 1.4 from 6200 to 7400 then see how it looks.
You could even try fuel from a different manufacturer as some blends are better than others
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