How Long Before MPGs Improve
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01-11-2010, 11:46 AM
Dodge Ram Forum Member
Join Date: Jul 2009
Location: North Texas
Vehicle: 2009 Dodge Ram 1500 Crew
Trim Level: 4x4 ST
Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
Originally Posted by
How come you use 87 octane? It's recommended to use mid-grade, which is 89.
According to the owners manual and the Dodge house, I can run off 87 and should not have any problems.
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