dascrow
07-16-2008, 10:58 AM
http://www.blogsmithmedia.com/www.autoblog.com/media/2008/07/gt500krdynonumbers.jpg
There's horsepower, and then there's dyno-tested, can't-lie-to-your-friends horsepower. If you want to know how much power a car really makes, you've got to strap it to a dyno and spin it to redline. The guys over at 5.0 Mustang & Super Fords are always eager to find the true horsepower of a car, and so when they took delivery of a GT500KR to review they headed straight to the dyno to see how much power the supercharged V8 is putting out. What they found was somewhat surprising -- the KR produced 509 horsepower and 467.7 lb.-ft. torque to the wheels. Adjusting for an estimated driveline loss of 15 percent, the actual output at the flywheel is 589.82 hp and 550.24 lb-ft torque -- nearly 50 more horsepower and 40 more lb-ft than Ford is claiming. Take that Z06!
Source: Mustang 5.0 Magazine (http://blogs.mustang50magazine.com/6261103/s197-mustangs/thats-right-boys-we-put-the-king-on-the-dyno/index.html) via AutoBlog (http://www.autoblog.com/2008/07/16/gt500kr-underrated-5-0-mustang-magazine-dyno-tests-the-king-of/)
Gallery: 2008 Shelby GT500KR (http://www.autoblog.com/photos/first-drive-2008-shelby-gt500kr-part-2/)
There's horsepower, and then there's dyno-tested, can't-lie-to-your-friends horsepower. If you want to know how much power a car really makes, you've got to strap it to a dyno and spin it to redline. The guys over at 5.0 Mustang & Super Fords are always eager to find the true horsepower of a car, and so when they took delivery of a GT500KR to review they headed straight to the dyno to see how much power the supercharged V8 is putting out. What they found was somewhat surprising -- the KR produced 509 horsepower and 467.7 lb.-ft. torque to the wheels. Adjusting for an estimated driveline loss of 15 percent, the actual output at the flywheel is 589.82 hp and 550.24 lb-ft torque -- nearly 50 more horsepower and 40 more lb-ft than Ford is claiming. Take that Z06!
Source: Mustang 5.0 Magazine (http://blogs.mustang50magazine.com/6261103/s197-mustangs/thats-right-boys-we-put-the-king-on-the-dyno/index.html) via AutoBlog (http://www.autoblog.com/2008/07/16/gt500kr-underrated-5-0-mustang-magazine-dyno-tests-the-king-of/)
Gallery: 2008 Shelby GT500KR (http://www.autoblog.com/photos/first-drive-2008-shelby-gt500kr-part-2/)