One and ONLY gas mileage thread please

[BigBOSS]

http://www.fordraptorforum.com/f5/one-only-gas-mileage-thread-please-198/

Nice!

 

[Skippington]

How are you people getting 13-16? I'm running 87-91 (no difference) and averaging 11. I didn't read all 100 + pages here, but man....... I'm getting 13 only downhill in neutral.

 

[Magnum PI]

I ran a 600 mile trip from Chicago in May to Minnesota to do some fishing. Set cruse control at 70 mph. Averaged 15.3 on 87 octane. Shit if you drive 55 you should get 17 or more maybe. I can't drive 55 I would die of boredom. I usually cruse 80 and get a little over 13. It all depends on elevation, temp, flat, mountain roads, what kind of tires different brands weigh more or less, chase racks, bumpers and octane ext. I run method 17 and they are lighter then stock also a back flip. I'm not going to say its a huge improvement but I did notice a little bit of gain in mpg.

 

[Wilson]

 

[WyoStorm]

91 Octane ethanol free!

 

[Wilson]

Ya but e-30 coasts less and smells less and more power I know becose I've ran both.

 

[XxWarEaglexX]

I have always heard the notion that higher octanes burn quicker than lower octane gas. Is this true or just a myth?

 

[WyoStorm]

I seem to get about a mpg better with ethanol free gas plus with 91 octane you get the advertised 411 hp vs 401. I think another factor is aftermarket exhaust. I know my MBRP catback is supposed to improve mpg also.

 

[AlexRiedel]

Cruising around CA I average 13-14. Doing the same in Oregon I get 15-16. Chevron and same octane grade in both cases. CA has more ethanol AFAIK


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[caisaacson]

Ran 17-18 mpg average with afe stage 2 & 5 star tune.