I have managed to scan two race fuel plots but not doing a good job overlaying them - two gear box ratios, but the combined chart does show the effect of adding WIA injection onto race fual. You can see the afr measured on wide band. We would have gone a bit more leaner if we had time.
The timing was up by over 4 degrees and some areas area 6 degress. Not one hint of knock, I am sure we can move more but settled at 33 degrees at peak torque area - need to confirn wirth Gary.
Here is the plots on the night before the race. The bottom layer was plotted in April this year.
Water commenced at ~5400 RPM, boost was 0.2 bar higher at 1.9bar on the final run.
