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Who's running premium gas & who's running reg gas?

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Ethanol free premium only in my rig.

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Premium

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Premium, always trying to go for ethanol free.

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got about 5k miles and only run 92, usually cheapest I can find including ampm. Can get up to 24mpg on the hwy and usually average 17-18.

 

15 denali

Edited by hurricanoday

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91 over here. Higher octane is hard to find. FYI don't mix diesel with 91 octane in a jug. Don't do it. I'm telling you right now don't do it.

Edited by Silver ice 6.2
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i wish someone would speak up about how it runs on regular

there must be someone

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hell i run midgrade (89) in my 5.3. If you have a 6.2 best be using premium.

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Premium here as well.

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