Thanks for the input. I'm a little worried about inaccuracies when the car goes into open loop.
Since the main thing I want to test is efficiency of different modes of acceleration I need to know for sure that it's going to be accurate at full throttle. A couple other threads suggested the scangauge gets off significantly when the air ratio changes (ie: especially in open loop).
That being said, would you still go with a scanguage?
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