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Grrrreeattttt... just did plugs and wires a few weeks ago... getting tune in june...
I used to chase trying to mix it right, but if you're using E85 and premium (which is usually E10) just do a 50/50 mix and it'll be close enough. So many other things go into the tune, the truck will adapt as it needs to. One thing that does help is to drive for a few miles to get the mix into the system, and then do a few WOT blasts so it can learn the 'mix.'Did my plugs last week. I have an E50 @GooseTuned in my email and ready to go. I just got my ethanol tester to calculate mixing ratio and Saturday is the day!
I used to chase trying to mix it right, but if you're using E85 and premium (which is usually E10) just do a 50/50 mix and it'll be close enough. So many other things go into the tune, the truck will adapt as it needs to. One thing that does help is to drive for a few miles to get the mix into the system, and then do a few WOT blasts so it can learn the 'mix.'