Ford Authority

Hennessey Performance Straps A 2020 Shelby GT500 To The Dyno


It doesn’t matter what your preferred flavor of muscle car or sports car is, all car guys and gals enjoy seeing dyno sheets for cars to get an idea of how much power they make. In December, we saw the very first 2020 Shelby GT500 strapped to the dyno make its runs to give us an idea of if Ford is sandbagging on power or not. That Shelby made a bit over 705 horsepower at the wheels suggesting that Ford might have been sandbagging a little bit. Now the guys over at Hennessey Performance have their own 2020 Shelby GT500 and have put it on the dyno to give us another look at the power this awesome Mustang makes.

The results of the dyno run was a baseline of 708.5 horsepower to the wheels with 589.5 pound-feet of torque to the wheels. The dyno graph shows a very flat torque curve. That dyno run from back in December didn’t give us torque figures. The horsepower figures are extremely close, indicating that over 700 horsepower to the wheels is going to be typical for these cars.

The GT500’s 5.2-liter supercharged Predator V8 is rated from the factory at 760 horsepower and 625 pound-feet of torque. Hennessey Performance has big plans to modify the car and see how much power it can make. We’d wager power goes up a lot as the company is known for making huge power numbers on an assortment of vehicles.

We’ve seen stock GT500s go into the 10-second range at the dragstrip even with the passenger in the car. We also recently saw racing driver Randy Pobst beat a GT500 around the track within tenths of a second of a Porsche 911 GT3 RS, which is one of the fastest track cars out there.

Subscribe to Ford Authority for more GT500 news and around-the-clock Ford news coverage.


Shane is a car guy with a fondness for Mustangs and off-roading.

Subscribe to Ford Authority

For around-the-clock Ford news coverage

We'll send you one email per day with the latest Ford updates.
It's totally free.


No Comments yet

Leave a comment