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Amazing!!!

posted by  dewfpo on  Sun Dec 1 15:51 CST 2002
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last visit: Thu Oct 23 18:34 CST 2014
[RELATED]

I don't think the tri-electrode plugs made a noticible increase in mileage. There was however a seat of the pants feeling of noticeably more smoothness during acceleration. I also use synthetic oil (M1) but the mileage improvement is only slight. I think the big difference for me is that I live at such a high altitude. You loose 3% air density per 1000 foot elevation increase so the ECU leans out the car to match the air load comming in. Less power, but more MPG. When I used to live at sea level, in mixed driving, a lot of AC use, I averaged just under 23 mpg. Highway trips were in the 25-26 mpg range.
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1998 S90 062,500 1995 964 140,600






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