Street Speed 717's dyno test reveals whether his fast GT500 really can achieve what its previous owner claims.

The YouTube channel Street Speed 717 is among the greatest for automotive content focused on American muscle cars. 

In a recent episode, he tests the horsepower of his just acquired Ford Mustang Shelby GT500 on the dyno.

The fast Ford's former owner, who made some modifications, believes it can produce up to 1,000 horsepower. 

Although the real expectation is slightly lower, a trip to the dyno proves exactly how powerful this fast Mustang is.

Ford Mustang Shelby GT500 Dyno Test When the former owner listed this Mustang for sale, he claimed it had 1,000 horsepower and was a GT500. 

Around 850 horsepower to the wheels, or slightly more, is the target for the dyno test. 

They crank the engine and speed quickly on the highway while testing the GT500 on a dyno, 

which serves as an aural reminder of the strength this Mustang possesses. 

You never know what will happen when you purchase a secondhand automobile with modifications, as mentioned in the video.

As expected considering that 6,500 rpm is not this car's red line, the first test on the dyno shows 822 horsepower at 6,500 rpm. 

This is a respectable amount of power. The greater number is revealed on the subsequent draw at a higher rpm but is not revealed until almost the conclusion of the film.

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