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Winters coming! how do I keep my mileage up?
I live in the frozen north (MN) and my mileage Tanks in the winter. I have been able do do a few things to seriously improve my mileage this summer, but I am afraid it is all going to be gone come winter. I want to figure out what I can do. Here are the things that I think hurt my mileage
1) Increased Rolling Resistance
(grease thicker, snow on roads)
Counter measure:
Change drivetrain lube to synthetic. I know this works well in a 4x4, not sure how much difference changing bearing grease in a small car.
2) Decreased Intake Air Temp
Counter measure:
Build a Warm Air Intake
3) Longer Warmup times
(increased drag from thick oil, running rich longer to warm up)
Counter measure:
Sythetic oil, plug in car, park inside
4) "winter" fuel mixture
Counter measure:
???
Anything I am missing? My contour is rated at 30mpg on the highway, my 90 average is at 33.7 with a distinct upward curve (my last tank was 38.4). Last winter I couldn't even hit 30... I would love to hear other peoples ideas of what I can do.
Mr_C
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