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Old 12-28-2012, 04:59 PM
Chris b's Avatar
Chris b Chris b is offline
Dodge Ram Forum Senior Member
Join Date: Aug 2012
Location: Monroe,LA
Posts: 1,482
Gender: Male
Vehicle: 2012 RAM
Trim Level: R/T
Color: Bright White
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 3
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Originally Posted by DiverDanRamMan View Post
Thanks for the information. I do have a Superchip tuner for my Lincoln and I have it tuned for 93 octane performance mode, but I do not know of any way to tune for Non Ethonal vs Ethonal 10%. I think the onboard computer does this automatically because when I first changed over to 93 octane non ethonal, I could smell gas when I first started the engine, but now it has corrrected it's self and I don't smell the gas any more.

For my 2012 Ram R/T Hemi, I have a D/S Trinity tuner on order and will tune it for 93 octane performance also. I never noticed any fumes from the Hemi, maybe it computes faster than the Lincoln. I get about 18 mpg average (town/Highway) with my 2011 Lincoln Navigator 5.4L and my Ram R/T 5.7L. I think this is pretty good for both vehicles. If you really put your foot in them, they both get less MPG.
just a word to the wise. if your running 93gas with 10%Ethonal I would run the 91tune just to be on the safe side with less knocking and pinging
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