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WAI revisited.
First day to check out the WAI. On the way to work I noticed that the ignition started to retard after the IAT reached 120. The temp maxed out at 155. The MPG for the trip were ok but not what I expected with a tail wind. Same on the return leg, good but not what I thought it should be for the conditions. So I did a quick test loop on rolling terrian of 10.5 mile with the cruise control set on 35 no stops.
Wind 050@15G20
Temp 80
WAI 135-155 WT 200-213 MPG 37.3
Modified WAI 125-140 WT 200-213 MPG 38.0
No WAI 105-125 WT 200-213 MPG 37.9
WAI 130-155 WT 200-213 MPG 37.4
I know that this is not enough data points to confirm that the WAI decreases FE but the trend seem to indicate that on my car (OBDII) that the best IAT range would be 100-120. Has anybody else noticed this? And What kind of temps are you seeing on the IAT?
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zpiloto 
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