Just wanted to post A/F ratios for AMS software in a separate post...look @ the spikes!
03-27-2005, 08:55 PM
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Just wanted to post A/F ratios for AMS software in a separate post...look @ the spikes!
Before Lemmi tweaks - @ 5000 rpms my Air fuel ratio spiked to 19.5 and a few small spikes afterwards...For those who do not know 14.5 is STOICH which means that the mixture of air and fuel is neither rich nor lean.
<img src="http://members.aol.com/audis4guy/ams_air_fuel_ratio3.jpg">
No wonder my EGT's (exhaust gas temps) were so high!!!
After Lemmi tweaks - stays around 12.5
<img src="http://members.aol.com/audis4guy/ams_air_fuel_ratio_tweaked.jpg">
Gained ~ 40whp after getting rid of those spikes! If you want to see those DYNO numbers see below
<img src="http://members.aol.com/audis4guy/ams_air_fuel_ratio3.jpg">
No wonder my EGT's (exhaust gas temps) were so high!!!
After Lemmi tweaks - stays around 12.5
<img src="http://members.aol.com/audis4guy/ams_air_fuel_ratio_tweaked.jpg">
Gained ~ 40whp after getting rid of those spikes! If you want to see those DYNO numbers see below
03-27-2005, 09:10 PM
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I'm kind of a newb with this, but what do those spikes mean, and do all the AMS chips do that?
I thought the AMS chips were supposed to be extra smooth and the GIAC X chips had the nasty spikes??? Am I way off here?
