locosaki
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| posted on 1/9/08 at 02:53 PM |
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AFR Readings
I'm setting my car up this weekend on the rolling road and using a wideband lambda set up,Has anyone got an idea what Afr readings I should be
hoping to achieve so as I know i have fuelling good across the rev range.
Cheers Mike
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twybrow
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| posted on 1/9/08 at 03:01 PM |
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Somewhere around 12.8-13 seems about right....
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PAUL FISHER
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| posted on 1/9/08 at 04:11 PM |
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Ive got a wideband afr gauge on my zx10r 2007 engine,on full throttle it reads around 12 to12.5,this coincides with the dyno results I had a few
months ago,see below,the pink line is the afr.
[Edited on 19/05/04 by PAUL FISHER]
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PAUL FISHER
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| posted on 1/9/08 at 04:37 PM |
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here.jpg)
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locosaki
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| posted on 1/9/08 at 04:51 PM |
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Thanks for that guys,much appreciated.
SO the only AFR reading I'm after is at full throttle in 6th gear,I don't have to worry about peak torque and midrange etc !!
Mike
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PAUL FISHER
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| posted on 1/9/08 at 08:01 PM |
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No Mike,but what you need to be most concerned about 1st is that the engine is running safe,for this your afr wants to be around 12.5 if it starts to
go up to a lot higher than this at full throttle,on a bike engine you run the risk of melting pistons,the power run on my dyno runs were done in 4th
gear,which is usual for BEC,but your dyno operator will run your car through a series of runs to ensure optimum fueling is achived at all times
through all gears,including steady cruising where the reading should be around 14.5 to 1.
quote:
Originally posted by locosaki
Thanks for that guys,much appreciated.
SO the only AFR reading I'm after is at full throttle in 6th gear,I don't have to worry about peak torque and midrange etc !!
Mike
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