My family and I will be moving to AZ in the coming months. I hear 93 is rare if available at all. Am I really going to be disappointed with using 91 instead of 93? I have a ‘16 FiST with a CAI, colder plugs, Cobb RMM, AP and intake spacer. For those of you who might live there, what fuel additives do you use? I’ll be purchasing a Dizzy tune when I get out there. All experiences/advice is welcome.
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