Quote:
Originally Posted by roosterk0031
2002 Chevy Suburban 1500 4x4, wife driving, 5.3 FFV. Davidk0031 fuelly.com
E10 15.2mpg 30 tanks
E85 12.4mpg 35 tanks (-18%)
1998 Dodge Stratus, 2.4 auto, preliminary data, in order they were collected this earlier spring. (assumed E85 was 85% could have been 70%, drops blends about 5%) SGII of no value as has to be recalibrated so tank to tank is only way to check mpg.
E30, 2 tanks back to back, 28.4 mpg (-11%)
E0 2 tanks back to back 31.9 mpg
E10 3 tanks back to back 30.5 mpg (-4%)
E25 1 tank* 33.5 mpg
E44 1 tank 30 mpg
E0
* - Fluke tank maybe, but I'm driving better and warm outside.
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You really should invest in an Ethanol test kit and post your results for each tank. I believe they can be had for $15 or so. I'll link one later if I can. E85 is a big difference from E70, -18% is stellar for E85 and above average for E70. That would also put your numbers off by several percentage points for all of your results
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