dcb -
Quote:
Originally Posted by dcb
as far as I know, it depends 
Around here every car has waaaay more engine (and bulk) than it needs for efficient cruising. So things that detune the engine (i.e. hot air intake) can be effective.
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That's my take on it.
Question: Of the OBDII variables that are available, would the positive or negative effect of the HAI/CAI be visible?
For the MPGuino people, I think they could prove/disprove the HAI by observing the change in MPG.
CarloSW2