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Old 08-18-2013, 12:24 PM
JOlaskowitz JOlaskowitz is offline
Dodge Ram Forum Junior Member
Join Date: Aug 2013
Location: Overland Park, KS
Posts: 34
Gender: Male
Vehicle: 2013 Ram
Trim Level: Laramie crew cab
Color: Deep Cherry Red
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
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Default Octane

I've been using 87 octane. The manual says 87 is acceptable but 89 is preferable. I have a 2008 Chrysler 300c and my 2013 Ram 1500, both have the hemi motor and run fine with the 87 octane. I tried 89 octane and didn't see any difference in gas mileage so why pay the extra.
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