Mustang EcoBoost Motor Hurts on 87 Octane

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We all know that the new EcoBoost Mustang is a house of power and torque, especially when you consider the diminutive size of the motor. However, when it was first coming out, rumor was that if you filled up the tank with the cheaper stuff, those horsepower and torque figures would drop drastically. And for a moment they did.

A training manual that found itself up on Mustang6G shows that when the new EcoBoost is filled with 87 octane, those power figures drop quite substantially. A drop to the tune of 35 horsepower and 20 lb-ft of torque.

Now, however, Ford has come out to say those training manuals were actually only for the pre-production motors, and using lower-grade gas will only drop the horsepower rating a few ticks, which really isn’t a big surprise, since every car will lose horsepower with worse gas; it’s just a fact. The cool thing, though, is that the motor will not lose torque, which is what you want to get you off the line quickly.

Instead of looking at the glass being half empty, I want to see what the ratings get up to using race gas. Any takers?

Chime in with your thoughts on the forum. >>

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