Someone posted this on another site and was wondering what you guys thought about it? Will it work?
"replace both front NB's with wideband o2's that can simmulate NB o2's. (LC1)
On the inovative lc1(What I use), one of the outputs is set up to simmulate the factory NB o2 sensor. You can adjust the settings to fool the pcm. You will need one for each side.
Normally, when cruising around in closed loop, The pcm regulates the fuel to maintain a 14.7AFR. Your o2 sensors measure the exhaust AFR and feeds a mv signal back to the pcm. The pcm knows that 450mv
from the O2 sensor equals close to 14.7afr. What if you change the programmable output of the wideband sensors? Instead of outputting 450mv at 14.7afr, rescale the LC1 settings to produce 450mv at 16.1afr. something like this:
14.7afr= 410mv instead of 450mv
16.1afr= 450mv instead of 492mv
17.5afr=489mv instead of 535mv
by doing this you fool your pcm. It thinks its regulating 14.7afr because it see's 450mv from each sensor. But, 450mv no longer equals 14.7 instead, 450mv equals 16.1arf and you are now using 10% less fuel.
now you must increase your pe enrichment x rpm table by around 10%"
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Originally Posted by alanderson1978
