What kills mpg: Boost vs downshifting?

[Oldhippie]

In the old days it was best fuel mileage at 80% of maximum torque rpm. I would think it would be near the same now as long as boost was low, don’t think it needs to be zero. Of course I have no specific knowledge but it is easy to look Down at the actual fuel mileage on the dash and see what actually works...

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[stampede1]

EcoBoost.

Pick one. You can’t have both.

Actually, compared to the previous generations of bronco, the eco boost delivers higher horsepower and better mpg. Similar to my 2016 F-150, definitely better economy than my dad’s 1970 F-150. Are they economical under load? Nope. I don’t think anything is, but better power/economy ratio than the forebears by a country mile.

 

[ProdigyJKU]

Is this supposed to be a joke?

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