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Old 12-22-2009, 09:05 PM   #1 (permalink)
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Burnt's Cobalt - '09 Chevy Cobalt LT XFE
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1st 40 mpg tank

I know it's not a big deal for a lot of you, but last night at about 9:55pm it was incredibly satisfying to see the average tic over from 39.9

i'm surprised how addicting squeezing mpg out of my car can be

that was the mpg at the end of the tank, right before I refilled, 466 miles. I can do better......

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Old 12-22-2009, 09:32 PM   #2 (permalink)
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Good stuff. Now it's time to raise the bar higher and beat ur records.
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Old 12-22-2009, 09:33 PM   #3 (permalink)
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Nice job Not anyone can get a best fill during the winter
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Old 12-22-2009, 10:07 PM   #4 (permalink)
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Burnt -

What SVOboy said!

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Old 12-23-2009, 06:44 AM   #5 (permalink)
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Quite true, its only going to get harder to keep beating that. But, good job!
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Old 12-23-2009, 08:38 AM   #6 (permalink)
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Quote:
Originally Posted by Burnt View Post
I can do better......
...now, that's the ecomodder spirit!
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Old 12-23-2009, 10:51 AM   #7 (permalink)
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thanks guys! this was more highway than normal...i doubt my next few tanks will be that successful

i think my onboard mpg calculator doesn't take EOC into consideration....for whatever reason it always seems a little off compared to the calculation on this site

i'm assuming it also has to do with variations in filling the tank...i'm a first click guy, i figured that tank fill variations will average out as long as i'm consistent
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Old 12-23-2009, 11:11 AM   #8 (permalink)
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They'll average out over time, yes. I prefer to fill until I can see the fuel, so I know the calcs (and gauges) are accurate.

Congrats on reaching that milestone.
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Old 12-23-2009, 12:49 PM   #9 (permalink)
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Burnt -

Quote:
Originally Posted by Burnt View Post
thanks guys! this was more highway than normal...i doubt my next few tanks will be that successful

i think my onboard mpg calculator doesn't take EOC into consideration....for whatever reason it always seems a little off compared to the calculation on this site

i'm assuming it also has to do with variations in filling the tank...i'm a first click guy, i figured that tank fill variations will average out as long as i'm consistent
That makes sense because you are operating outside of the design parameters.

On my Scangauge 1 in my S-Series, EOC still showns an RPM of 61 when the RPM is 0. The SG ends up calculating MPG as 10*MPH. Don't know why, but there it is.

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Old 12-24-2009, 01:02 PM   #10 (permalink)
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When I used to EOC in a 5 speed MT Saturn, my speedometer/odometer did not register mph / distance traveled while the key was off (one notch short of locking the steering wheel. I changed the way I did it to turning the engine off and then putting the key back to run. THEN, the speedometer and odometer would continue to register.

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