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Old 11-26-2013, 05:20 PM   #1 (permalink)
101Volts
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Join Date: Dec 2012
Location: Pennsylvania
Posts: 491

Grandpa's Caprice (retired) - '84 Chevrolet Caprice Classic
Last 3: 20.76 mpg (US)

Woody - '90 Mercury Grand Marquis Wagon LS
Last 3: 19.57 mpg (US)

F.E. Brick - '99 Chevrolet K2500 Suburban LS
Last 3: 12.94 mpg (US)

Mom's Car - '01 Chevrolet Impala Base
90 day: 21.95 mpg (US)

R.J. - '05 Ford Explorer 4wd
90 day: 19.52 mpg (US)
Thanks: 876
Thanked 33 Times in 27 Posts
Tire pressure set lower, MPGs went up? (Winter thread)

For most of the trip legs out of 11.7 miles today, I was getting rather low MPGs partially due to high tire pressure (About 55) and then I stopped at the gas station and set the tires to 46 all around; Then, For the trip home I got the highest MPG figure all day and I did feel more confident about accelerating at higher engine loads; It also helps that I can accelerate at all since I had trouble going up hills earlier! However, This isn't an A-B-A-B test on the same leg of road. But, I thought I'd share the thought.

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