First of all westrock... I give you a
for the research you have done!
Great Job!
Although the car seems to be experiencing an event, the graph posted is very indicative of an inertia dyno. If you guys notice the smoothing factor is turned all the way up also. Unfortunately I can not give you guys a conclusive answer as I was not present at the time of the testing.
Guys remember, so many variables can come into play while dyno testing. Even while doing back to back runs. This type of test is really subject to so much speculation. Even with this type of wideband you can all see the corresponding drop in A/F's (rich) at the bottom of the graph! All of these factors have to be taken into consideration.
One more thing.... WOT or a vehicle (current although about to change) in Open Loop will not correct for changes made to the car. The ECU will run off of the preset tables stored in its memory. Keep in mind
testing such as this will not cause the car to deviate for the stock fuel or timing mapping but will bring into play additional correction tables. Although fuel trims will change at WOT the ECU will not correct in Open Loop operation (02 sensor feedback will be acknowledged but not acted upon by most ECU's).
Good Work westrock!
Chris Macellaro
