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Of course there is variation, but I would think that most people who have tried both octanes can answer the simple question as it applies to their experience. I can.

Not asking for a scientific analysis, just a simple answer to a simple question: does YOUR mpg change between low and high octane gas. It's kinda like asking the university presidents whether calls for genocide are appropriate on their campus. The answer is not "it depends of the context,"...

Did you use the up fitter switches on the dash to control the lights on the sport bar?

No, I prefer to use CarPlay -- bigger viewing area.

Hmmm, maybe if I install a "solid" shaft drive everything will be fine.

Hmmm, my credit card statement started to get mysteriously higher with 93 octane, and my back pocket became looser where I carry my wallet. How can this be? Could the high octane vapors be making my pants stretch? Is the electronic engine timing advancement with premium fuel somehow...

The upfitter switches and how to use them are well described in the owner's manual...

I'm not denying that the 2.3 engine itself is the same. Whether one drives aggressively or mildly, the question is whether mileage improves with high octane. By saying that an engine is more efficient with high octane, do you mean that you personally get better mileage and performance with...

No problems whatsoever with CarPlay, but definitely problems using the iPhone normally if I'm not holding the phone in the exact position so that it picks up my voice. My solution to that is just to turn it on to speaker mode. But CarPlay? It's perfect.

Although many folks here have discussed timing, programming, towing, driving style, air temperature, etc...a few have actually answered the original question of whether their mileage and performance increased with higher octane fuel. The answer appears to be neither improve significantly, and...

Thanks, exactly my experience too.

Thanks! Your experience is like mine, little gain in mpg, little performance gain, and major price gain!

How does your mileage vary based on octane? I'm not asking about driving habits or conditions -- those do not vary for me.

Please answer the question. How does YOUR mileage vary?

Many folks here have reported better mileage and better acceleration on their Ford Rangers when switching to higher octane fuel. I drive a Tremor and constantly monitor my mpg and reset it after going through a tank of gas. I just finished up a tank of 93 octane fuel, and was shocked that my...

Doesn't disconnecting a battery even for a short period of time mess up the electronics of the Ford Ranger? That is the reason I will have the dealer replace mine with a Motorcraft battery, they know how to reprogram the system --I don't :)

It doesn't hurt to ask the dealer about a problem with a truck still under warranty.

What does your dealer think of it? Are you going to put in a one-piece drive shaft?

Sure looks like corona stain to me