Quote:
Originally Posted by Cole
I don't use 93 simply because availability is hit and miss where I am. 91 is way more available, so I have a 91 tune loaded on my car
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I tend to just throw in the highest available where ever I happen to be when I need gas. Since I burn through two tanks a weeks the locations can be pretty random and once can be 91 and the next 93 or even 94. Possibly because my ECU never gets a chance to level out on one level of fuel I never notice any difference between one tank and another regardless what level I pump into it. That is the beauty of a ECU that learns since it will adjust to whatever the situation is, give you the best for what you have and reduce the risk of issues.