It’s not saying you have to use premium. It’s just saying that’s how they got their max hp and torque numbers. Ford’s site still says regular is the minimum requirement. I’ll be running 87. It’s a Bronco, not a Mustang.This maybe a dealbreaker for me. Never owned a turbo before. I am not running premium in a DD. Damn it this maybe the end of my new Bronco plan.
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