Ford Shelby GT 500 Upgrade

Shelby GT 500 Upgrade by Kennedy’s Dynotune

Ford Shelby GT 500 Upgrade
Pictured above is our customer John Tobin’s 2007 Shelby GT500. John, never one to be satisfied with the ordinary, brought this car to us brand new in the search for even more performance. As received, it made 457rwhp on our Dynojet. As with the Ford GT, Ford underrated the GT500 – this translates to well over the 500 engine hp claimed by Ford. John has us install a Steeda pulley and perform a dynotune. The results are graphed below. As you can see, after the upgrade the car made 513rwhp – a gain of 56rwhp, more than 12%. This is with a conservative tune, the drivability is even better than stock!

Before
457 Rear Wheel Horsepower
453 Ft.-Lbs. of Torque

After
513 Rear Wheel Horsepower (12% increase)
515 Ft. Lbs. of Torque (13% increase)

GT 500 Dynograph

Click to view full sized

68 Ford GT 500

The original Shelby GT500 is one of the most sought after pony cars.

 

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