1. Octane (i.e. fuel grade) explained

    Dodge Ram MPG Zone
    I've been doing a lot of looking on the interwebs, mostly to confirm what's been falling out of my big mouth around here recently. There's a lot of GREAT info out there, here's some of what I found: WikipediA wiseGEEK That "other" Dodge Forum... this last one gives refereance regarding...
  2. Ethanol vs. non-ethanol gas

    Performance Mods - Engine - 5.7 Hemi V8
    I've been reading about ethanol vs. non-ethanol gas. It seems from my short research that ethanol is not very good for motors. Can anyone verify this true/false? Should we avoid ethanol gas or does it really matter? :4-dontknow: I know here where I live (NW Florida) I can get 89, 91, & 93...
  3. Running 89 on 91 Diablo Setting?

    Performance Mods - Engine - 5.7 Hemi V8
    I've never really known how much difference there really was between one or two Octanes. I put an 87 tune in my 05 Ram but I always run 89 Octane in it. I know that you're not supposed to run lower Octane than the tune, but will it really hurt to run 89 on a 91 tune? I really want to run it...
  4. Octane & The Hemi

    LD RAM - General Discussion
    First of all, thanks to everyone for the warm welcome to ramforumz! Now, octane is always a good debate topic . . .lol. So here we go. For those of you with the Hemi out there, please share what your experiences with different octanes have been. With gas prices as high as they have been, are...