Quote:
Originally Posted by ign335i
It depends on the firmware, the way you drive, and the gas. If you drive conservatively with economy settings you will easily pick up more MPG from the increased timing the JB4 can target (if you aren't on terrible gas). This is especially true running E85 mixes. The loss in economy is not nearly as large as one would think. You will actually save money by running E85.
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e85 vs Gasoline Comparison Test
I understand that higher timing and running a little lean can increase milage, but I don't really understand how running e85 can increase my economy or save me money. All the test results indicate the opposite. Can you elaborate on your statement?