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Old 02-25-2011, 01:44 PM   #8 (permalink)
abell75
EcoModding Lurker
 
Join Date: Nov 2010
Location: St. Louis
Posts: 38

Grand Prix - '02 Pontiac Grand Prix GP
90 day: 24.01 mpg (US)
Thanks: 3
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No supercharger on mine. I've started to focus on keeping the TC locked instead of accelerating in the 40-50% load range (above about 35% seems to trigger a downshift) and the results have been significant in a positive way - from 25 to about 28.5 mpg! It's a small sample size though, only two days or so....
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