AZ18yote
Well-Known Member
It's a night and day difference, even in areas that only offer "flex fuel" as low as e54. The added power and additional cooling is significant.I’ve been toying with getting a flex tune for years, first with the 2018 GT and now with the Mach. The gas we have available around here is advertised at the pump as E51-80 or something like that. I don’t have the patience for testing every tank and going full E85 and just keep wondering if a flex tune on a Gen 3 with a manual would even be worth it. Just can’t get over that hump.
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