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Old 03-22-2014, 06:44 PM   #4 (permalink)
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Originally Posted by bikenfool View Post
It could be. But keep in mind that scangage & torque don't actually measure fuel consumption, they estimate it. They probably use mass air flow & O2 sensor.
I suspect it has something to do with the refresh rate and how the fuel usage is calculated by the scanners. I don't think I would trust anything other than an MPGuino in this testing scenario.

Was the car fully warmed up for the first A sets? I would suggest doing another B set after the second A to try to rule that out (so ABAB). Your sets are all extremely close, with your second A being right in the middle of the first A and your B. Looks too close to call it, in my mind, especially without being sure the instrumentation is inaccurate in this situation.

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