Hear Ford's V-10 'Boss 351' Mustang On a Dyno Runford"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links."Ford enthusiasts most closely associate the name "Mustang Boss 351" with an early 1970s performance model, but the most impressive pony car to ever wear that name never reached production. Which makes sense, because the later Boss 351 is an official prototype powered by a ridiculous V-10. Now, that ultra-rare 10-cylinder Mustang is running again.In a blog post shared Wednesday, Ford Heritage fleet manager Matt Korczyk details how the almighty New Edge Mustang roared back to life. He worked with the original development team behind the car on something like a restoration, complete with new electronics meant to restore the car's original performance.Ford Motor Co.The story includes a brief clip of the car's first dyno run, and as you might expect, the V-10 sounds absolutely furious. Korczyk says that the restored Mustang produces 510 horsepower, not far off a modern Mustang GT and its 486-hp output but nearly double the 260 hp made by the 4.6-liter V-8 in the Mustang GT of the time. That number would have put the Mustang directly in line with the around 500-hp outputs of the C6-generation Chevrolet Corvette Z06 and third-generation Viper that a production V-10 would have been positioned against over the course of the mid-2000s.AdvertisementAdvertisementFord, sadly, opted not to actually build a production V-10 Mustang, but it did come close to that power output in two different ways soon afterward. The Ford GT supercar that served as the company's flagship starting in in 2005 produced 550 hp, then the Shelby GT500 hit the 500-hp benchmark for the first time in 2007. Both are celebrated cars today, but neither is quite as wild as a V-10 fourth-generation Mustang.You Might Also LikeIf You Can Only Own One Car, Make It One of TheseThese Are the Most Popular Cars by State