GEN 2 Best Octane vs. Cheapest to Run

ba123

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"New" Gen 2 owner here...when I got the truck the dealer filled it with gas for me. I'm sure they only put 87 in it and I thought the response was "meh" and was like, that's it? It was nice and an above average truck but didn't feel like it should have. I ran that tank until almost empty and filled with 91 (highest in CA) and it's an incredible difference in my opinion. I did put some fuel system cleaner in there as well (Jectron), but I don't think that adds any octane.
 

BIGDJE

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"New" Gen 2 owner here...when I got the truck the dealer filled it with gas for me. I'm sure they only put 87 in it and I thought the response was "meh" and was like, that's it? It was nice and an above average truck but didn't feel like it should have. I ran that tank until almost empty and filled with 91 (highest in CA) and it's an incredible difference in my opinion. I did put some fuel system cleaner in there as well (Jectron), but I don't think that adds any octane.
next fill up to 5 gallons of E85 rest of 91
 

hkguns

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I use Shell Vpower 93 in mine exclusively. Not because I have to, because I want to and I can afford it. Except in those rare instance when I am traveling and there are no Shell stations. Then I just use whichever station has 93 available.
 
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