9.8:1 Afr
9.8:1 Afr i hooked up my dyno tune wideband lastnight and went for a ride. at WOT its at 9.8:1 is that right stock tune and injectors. racetronix pump and longtubes whats the deal.
anyhelp would be great thanks guys
anyhelp would be great thanks guys
I'm guessing with your new pump, you're pulling much more fuel pressures, and its causing too much fuel to be dumped, you're going to need to adjust your tune.
Best Regards,
Adrian
Best Regards,
Adrian
It's not that far out of line for, say, a car with the stock
commanded 11.7:1 AFR and some jacked fuel trims from
headers. +15 LTFTs would about do it. Looking at the
idle AFR on said wideband would be instructive though.
commanded 11.7:1 AFR and some jacked fuel trims from
headers. +15 LTFTs would about do it. Looking at the
idle AFR on said wideband would be instructive though.
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It should "flicker" because the engine bounces fuel
around in closed loop. If you turned up the smoothing
it ought to resemble 14.7 (if this is something you can
do in the handler interface program). But at least it's
bouncing on both sides of the right answer, so it's
alive and not completely ridiculous.
What does the scanner show you for WOT fuel trims
whilst getting this low AFR?
around in closed loop. If you turned up the smoothing
it ought to resemble 14.7 (if this is something you can
do in the handler interface program). But at least it's
bouncing on both sides of the right answer, so it's
alive and not completely ridiculous.
What does the scanner show you for WOT fuel trims
whilst getting this low AFR?
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