http://blogs.insideline.com/straigh...g-gt-50-production-example-less-powerful.html
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What the what? The car from Ford's media fleet is clearly stronger, generating some 12 lb-ft higher torque and 15 more horsepower at their respective peaks. At a given rpm, the maximum differences observed are even greater -- 23 lb-ft and 25 horsepower. These are not insignificant differences.
The acceleration of the two cars mirrored the dyno results, too. Our black longtermer clicked off a quarter mile trap speed of 109.5 mph, fully 1.1 mph slower than the blue car from the media intro. More recently we tested a third 2011 Mustang GT 5.0 from Ford's media fleet which trapped 109.3 mph.
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