Quote:
Originally Posted by mechman600
Makes perfect sense. A scangauge is not the correct tool for A-B testing engine mods. No doubt the HAI has thrown the SG's calibration off. A few calibration fill ups will likely prove this. SGs are only good for A-B testing aero mods, changes in driving habits, etc.
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And that's another reason why the WAI test I did two years ago looked good but might have been misleading. At the time nobody criticized the fact that, lacking cruise control, I used a steady 16.1% throttle position on a flat freeway loop. Since, I have learned on other threads that that was probably not a good strategy. I still run the WAI, on the theory that it must help with pumping losses, since I only have a MAP and not a MAF sensor in my 1998 Honda. But I don't trust my own A-B-A test anymore.