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I checked this morning 14.8 mpg
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2011, L99 with an LS3 conversion, black custom gloss painted stripes, air brushed gills, blacked out rear, Lingenfelter GT-19 Cam 227/239 .678/688, Circle D 2,800 stall torque converter,twin inline transmission coolers custom made by ARD, Hartland sharp LS3 Rocker arm upgrade kit, Patroit gold Valve springs, Comp magum 5/16 x 7.400 push rods, Power bond under pully, Melling ls1 oil pump, MSD spark plug wires, Tune, Big Flow Headers, No Cats, Big Flow X-Pipe, Borla S exhaust, Cold Air Inductions-cold air
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