Crawlerdan Posted March 11, 2011 Share Posted March 11, 2011 i moved from 500 foot to 3500 foot ive noticed the legacy seems to get better gas milage, yay but at 500 foot the motor draws 22lbs of vacuum at idle at 3500 its only 18- this indicates it may be working a wee bit harder, or maybe running rich?? im not sure, i want it to run as good as possible, and return the best MPGS possible- is there anything the pros would recomend for a fairly substantial altitude change? Link to comment Share on other sites More sharing options...
naru Posted March 11, 2011 Share Posted March 11, 2011 No Link to comment Share on other sites More sharing options...
wtdash Posted March 11, 2011 Share Posted March 11, 2011 The ECU will compensate automatically. This POST on a related site will give you the details. GL, Td Link to comment Share on other sites More sharing options...
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