Thread: Stage 2 MPG
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Old 11-14-2012, 04:43 PM   #8
HinshawWRX
Medium Frank
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Join Date: Feb 2007
Chapter/Region: MAIC
Location: Common Sense, VA
Vehicle:
2014 Porsche
GT3 (Currently on Fire)

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Quote:
Originally Posted by the suicidal eggroll View Post
ECU-reported gas mileage is often crap. What was your actual gas mileage...you know, by filling up the tank and dividing miles traveled by fuel used?
By far the BEST method to figure MPG's. When we drove 15 hours I calculated after every fill up. I averaged 27.8 MPG on the 900 mile trip vs. the 31 that the AP was showing.
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