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Old 07-01-2009, 08:19 PM
jamesb0 jamesb0 is offline
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Join Date: Jan 2009
Location: Norwalk, CT.
Age: 50
Posts: 154
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Vehicle: 2006 Ram 2500 Quad/ SB / 4x4
Trim Level: SLT
Color: Flame red
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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The spark plugs will not make the truck jump off the line but they do help burn the fuel faster and efficiently, so you might get 1 more mile to the gallon. Lowing the temperature by 15 helps from loosing HP. A little here a little there and before you know it You are going longer between pumps.
Lets say you improve by 5 mpg. 30 x 5 = 150 more miles to a tank.
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