- First Name
- David
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- Oct 14, 2021
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- El Segundo, CA
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- 2024 BMW M2 G87 6spd MT 2025 Ford Bronco
- Your Bronco Model
- Badlands
Question, wondering if someone in this thread knows. Would 91 octane fuel vs. 93 octane fuel make a difference in getting the most of this performance upgrade? Just wondering...
I can only speak of my experience with my 2020 Mustang GT. The car had a Ford Performance tune on it. Initially with 91 octane the car made 439rwhp with 93 octane it made 444rwhp but the dyno graph was smoother as it didn't seem to be pulling timing. On a car that makes its own atmosphere (Forced Induction) it will probably make a difference, but these 2.3L MPC engines are done making horsepower by 6krpm so it will probably make a difference, but pretty small.
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