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Old 06-22-2011, 10:52 PM   #75 (permalink)
InsightfulRay
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Join Date: May 2010
Location: Cleveland, Ohio
Posts: 33

Dr. Jekyl - '09 Mini John Cooper Works
90 day: 47.07 mpg (US)
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Quote:
Originally Posted by khafra View Post
Yes, if the miles driven and gas consumed for three tanks prior to tab installation is all you have, that'll help--but we might not be able to get a good confidence level in the results. The more post-tab data, the better; as that will help to narrow that part down.

Y'know, I really should be recording all my fill-ups, since I'll probably try aero mods sooner or later and the TDI doesn't need refills very often.
Here's the poop on the 3 tanks prior to installation of the airtabs. Sorry for the sloppy format. Wasn't sure how to attach a tab-delimited file from a spreadsheet. First column is date of fill, 2nd is miles driven since fill-up, 3rd is gallons, and last is ridiculous decimal precision

3/25/2011 375 8.3 45.180722891566
4/7/2011 412 9.1 45.274725274725
4/21/2011 503 11.2 44.910714285714
1290 28.6 45.104895104895
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khafra (06-23-2011)