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2020 Ford Mustang Shelby GT500 has 760 hp to compete with Camaro ZL1, Challenger Hellcat

The Blue Oval's latest track-focused brawler gets a whopping power increase, going from 662 to 760 horsepower.

2020 Ford Mustang Shelby GT500
760 horsepower and 625 pound-feet ain't nothin' to mess with.

The history of Ford Mustang Shelby GT500 is almost as long and impressive as the black lines each generation's owners have left on the pavement. What started out as a successful aftermarket racing hop-up package from the inimitable Carroll Shelby in 1967 eventually morphed into something of a high-powered factory show pony with a heart for drag strips. 

Beginning in 2013, Ford figured out that it was possible to add more precise handling for canyon roads and road courses while still developing big power, but to me, that 662-horsepower car never felt particularly approachable or all that sophisticated. To listen to Ford tell it, the 2020 Mustang Shelby GT500 will be both of these things, offering both greater sophistication and a more approachable demeanor.

Oh, and this new Shelby will have 760 horsepower and 625 pound-feet of torque.

Set to arrive in showrooms this fall after debuting at the Detroit Auto Show in January, the 2020 GT500 builds on the precedents established by Ford's frankly wonderful GT350 coupe, adding even more power, technology and sophistication, imbuing the car with a character that chief engineer Carl Widmann told me is "a little bit more 'rounded off' on the edges."  

Now playing: Watch this: 2020 Ford Mustang Shelby GT500 is a 700+ hp assassin

DCT or nothing

The outgoing GT500 was both quick and fast, with 0-60 miles per hour happening in about 3.5 seconds en route to a claimed top speed of over 200 mph. The new model adds at least another 39 horsepower (I'm betting there will be a fair few more besides) and, perhaps more importantly, a standard seven-speed dual-clutch transmission. You read that correctly: You can't get a manual transmission any longer in the King of the Hill Mustang. With shifts in as little as 100 milliseconds, the new gearbox developed in partnership with Tremec will undoubtedly be quicker than a three-pedal setup.

The GT500's various drive modes (including Normal, Weather, Sport, Drag and Track) optimize transmission behavior for the driving at hand, whether tooling around town, lining up in front of a drag strip Christmas tree or idling out of the pit lane at your favorite road course. Interestingly, sport mode is tuned to produce the quickest shifts, while track mode prioritizes smoothness in order to keep the car from getting out of shape.

Ford's move away from a DIY gearbox is likely to irk some self-anointed muscle car purists, but along with about a thousand other changes, it should help this new GT500 to not only be violently quick around a big race track, but more tractable and flattering to the ham-fisted, too. Dearborn authorities say the new car will be capable of mid-3-second 0-60 mph runs, as well as quarter-mile times in under 11 seconds.

(If you're a manual-only buyer, a six-speed stick shift is the only transmission available in the GT350, a car with which diehard tripedalists will be plenty happy.)

The GT500 features a unique rear diffuser bookended by a quartet of 5-inch exhaust tips.

Nick Miotke/Roadshow

5.2-liter heart

Like its less powerful sibling, today's 526-hp GT350, the 2020 GT500 starts out with a 5.2-liter aluminum-block V8 that's hand-assembled in Romeo, Michigan. But stuffing a massive 2.65-liter Roots-type supercharger down in the "V" of the engine has necessitated a bunch of other changes, too. The flat-plane crank that gives the GT350 its unique voice has been nixed in favor of a cross-plane design to better handle the increased loads of a forced-induction engine. With that big blower honking away at 12 PSI, the engine needed increased cooling and lubrication capacity, too, forcing changes to the block itself, many of which will find their way back into the 2019 GT350.

Additional new pieces include valves, seals, seats, springs and head gaskets, with longer head bolts to keep the whole works from fragging under the pressure. A beefy model-specific oil pan features both static and dynamic baffles to prevent fluid starvation when really pushing the Gs. 

Altogether, those high-performance bits and tight tolerances give 760 hp. That's enough, Ford claims, to consider this engine the most power-dense supercharged powerplant in the world (it even shames the 707-hp Dodge Challenger Hellcat engine in the process).

A massive magnesium cross brace will form a bridge over this 760-hp heart.


(Note that, sadly, the blue show car didn't have a production-representative engine, so we weren't permitted to take our own photos or video of it.)

In order to slake the beast slung between the GT500's wider front fenders, Ford designers had to find a way to feed it more air. A new front end features more than twice the cooling, and Ford's largest-ever louvers -- 31 inches by 28 inches -- help extract air through the new hood made of sheet mold compound. (Since those big louvers might make for a messy engine bay when it rains, Ford has thoughtfully designed an aluminum undertray that can be easily removed for track work -- or showing off at your local Cars and Coffee). 

Out back, a new composite rear diffuser is bookended by a quartet of SEMA-sized 5-inch exhaust tips.

Now playing: Watch this: 2020 Ford Mustang GT500: See and hear the 700+ hp track-ready...

Magnetic suspenders

The fact that Ford claims this new GT500's demeanor will be a bit more genial shouldn't come as a complete surprise. After all, today's sixth-generation S550 Mustang offers a far more sophisticated platform than the S197 chassis that came before it -- especially the independent rear end. The new GT500 features unique suspension geometry, along with lighter-weight springs at all four corners. 

If nothing else, the inclusion of Magneride was already going to be a huge step in the right direction. The real-time dampers expose special iron filings suspended in a magneto-rheological fluid to a magnetic pulse, altering the viscosity and changing resistance levels near instantaneously. These shocks feature heavily in the GT350's scintillating performance, and are available on lesser Mustang models now, too. This is the first time the tech comes to the GT500, and the magic sauce in those dampers should enable ultra flat cornering while still preserving ride quality.

Track Pack-equipped models feature splitter wickers with integrated dive planes.

Nick Miotke/Roadshow

Track Pack attack

All of that power will be routed to the ground via Michelin rubber regardless of how you option your Shelby. The full "knives out" Carbon Fiber Track Package shown here adds 20-inch carbon fiber wheels that are a half-inch wider out back (11.5), and those come wrapped in Michelin Pilot Sport Cup 2 summer tires -- basically road-legal semislicks. 

The Track Pack also includes the adjustable carbon fiber wing (Ford says it enables more rear downforce than its GT supercar), along with front splitter wickers with integral dive planes. The rear seat is deleted to save weight, lending the trim a track-ready vibe even when trundling to the corner store.

If the Carbon Track Pack is too extreme, there's a middle ground, the optional Handling Package that incorporates adjustable strut top mounts and a different rear spoiler with a Gurney flap (a small tab on the rear edge of the wing). Non-Track-Pack models receive less extreme 19-inch Pilot Sport 4S rubber, and all GT500s receive a new power steering setup.

If it feels strange to put carbon fiber wheels over iron brakes, the results will likely speak for themselves.

Nick Miotke/Roadshow

Naturally, braking has been substantially upgraded, with a Brembo package including 16.5-inch two-piece iron front rotors -- Ford says they're the largest found on any domestic coupe. Six-piston fixed front calipers are fitted up front and four-piston units are found out back. Ford says the new discs feature 20 percent more swept area than the binders on the GT350, and 30 percent more thermal mass up front. 

According to Ford, the upsized brakes forced the adoption of 20-inch wheels (the GT350 runs 19s). In case you're wondering like I was, Widmann says, "Iron brakes were found to meet the track requirement when it came to brake fade resistance and longevity, we did not pursue ceramic brakes."

2020 Ford Mustang Shelby GT500 interior

The GT500's interior pretty closely to the GT350's business-first mindset.

Nick Miotke/Roadshow

Interior shifts

For such an outrageous exterior, the cabin changes to the 2020 Shelby GT500 are actually fairly muted. There's optional exposed carbon fiber dash inserts, along with faux suede door trim. Having sat in the car in these pictures, the available Recaro seats feel like must-get items to my backside, although if you want the convenience of powered adjustability, you'll have to skip them. I think they're worth that sacrifice, and they're track-ready thanks to their safety harness compatibility, too.

The interior's biggest difference, however, is the inclusion of a new electronic rotary gearshift, which is a change I can't quite wrap my head around. Even acknowledging that the new GT500's character will be more well-rounded and sophisticated, the new gear selector dial feels out of character to me. A car with this much muscle deserves a substantial-feeling interface with a mechanical action (even if it's actually electronic underneath). A larger, cold-to-the-touch, chunky metal knob would've probably done the job, but the parts-bin piece that Ford has chosen is a letdown. The new magnesium paddle shifters are better resolved, at least.

The GT500 features a Mustang-first electronic shift dial.

Nick Miotke/Roadshow

Knobbery aside, the 2020 GT500 should be a true beast on the track. Most cars will live out their days on the street, of course, and to that end, Ford isn't ruling out creature comforts -- even in the hardcore Track Pack model. Sync 3 touchscreen infotainment is part of the equation, including Apple CarPlay and Android Auto compatibility, and a 12-inch reconfigurable gauge cluster adds both flexibility and a higher-tech feel. An upgraded 12-speaker B&O Play audio system is available, too.

We'll likely have to wait until closer to fall for pricing and most performance specifications, but even without hard numbers, Ford is already heaping some promising superlatives on its new 2020 Mustang Shelby GT500: "Most powerful street-legal Ford ever." "Highest-ever lateral acceleration from a Mustang." "The best Mustang track times" and "the best cornering."

Given how impressive today's GT350's performance already is, it wouldn't be surprising if Widmann and Team Mustang end up with a lot of mail when this new GT500 hits the street.

Who knows, maybe they'll even score a few fruit baskets.

The Track Pack's rear end features a massive carbon fiber adjustable wing. All models get 5-inch exhaust tips.

Nick Miotke/Roadshow

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Update, June 19: Adds the official, just-released horsepower and torque figures.