Thread: 09 va 11 trucks
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Old 09-04-2011, 01:43 PM
PITA PITA is offline
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Location: Ontario, Canada
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Vehicle: 2009 Dodge Ram Quad Cab 4x4
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Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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In addition to gearing and weight differences, and also tires (guys who put huge tires on don't often think about the real negative effect in performance), I think the biggest difference from one identical vehicle to the next is production tolerances.

Car & Driver has tested different stock Ram Crew Cabs with the Hemi/3.55 and I believe they've done everything from a 14.6 to 15.2 in the quarter - that's a few car lengths.

I've gone to many a dyno day and saw identical bikes or cars producing power with variations as high as 15%. This becomes even bigger when mods come into play. Tolerances, wear, tune, fuel, so many factors play a part...
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