And, just to add more confusing information: Bill can always write you a custom 91 or 93 octane performance tune too! I'm certain it would work even better than the "canned" 91+ octane tune. Possibly, it would improve fuel economy enough to justify use of the more expensive gas.
And, of course, if you tow and want to use the expensive stuff, Bill can write you a 91 or 93 octane towing tune too.
So, if you'd like to "experiment", you can for the cost of a tune.
- Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam
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