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mr2nut123 wrote:Can you post the AFR graphs for these kong?Would be interested to see how lean it is bottom end.
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Sure
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![Image](http://i716.photobucket.com/albums/ww166/Kongaroo_album/GT28RSdynosheets/GT28RSTD06WHPoverlay.jpg)
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I'm not sure how accurate the GT28rs AFR is on that chart though as I was getting different AFR readings on my innovate wideband in the downpipe
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The GT28rs AFR readings were leaner according to my own wideband and much closer to the TD06 AFRs.
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This may be down to the slight increase in the amount of methanol sprayed with the GT28rs runs as I upgraded the nozzle or perhaps the way it may have been collecting unburnt in the exhaust as I was running a Mongoose with the TD06 but swapped to the titanium single exit before the GT28rs runs.
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If more unburnt fuel or methanol was collecting in the new exhaust system this could possibly have thrown off the dyno wideband which inserts into the tailpipe? Otherwise it's going to be down to the sensor calibration.
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PS
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