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Thread: Ford Debuts New Shelby GT350 Mustang

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    Administrator ucfbrett's Avatar
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    Default Ford Debuts New Shelby GT350 Mustang

    I've heard the term "flat plane" crankshaft used before, but I don't know what that means. Does anyone know what the term refers to?


    All-new Shelby® GT350 Mustang is a thoroughbred capable of tackling the world’s most challenging roads and racetracks

    GT350 is powered by a unique, high-revving flat-plane crankshaft 5.2-liter V8 engine that will produce more than 500 horsepower – the most powerful naturally aspirated Ford production engine ever

    Advanced materials, MagneRide dampers, aggressive brakes and finely tuned aerodynamics push the performance of Mustang to previously unmatched levels

    The new GT350 builds on Carroll Shelby’s original idea – transforming a great every-day car into a dominant road racer – by taking advantage of a dramatically improved sixth-generation Mustang to create a truly special driving experience. Driving enthusiasts behind the wheel of a Shelby GT350 can expect to be treated to the most balanced, nimble and exhilarating production Mustang yet.

    Ford engineers took an innovative approach with GT350. Rather than develop individual systems to perform well independently, every component and shape is optimized to work in concert; balance is the key. While paying rigorous attention to detail, the team pushed the envelope with cutting-edge materials and technologies.

    Track-tuned driveline
    Early in development of the GT350, it was decided a high-revving, naturally aspirated V8 engine would best suit a track-focused Mustang.

    “The final product is essentially an all-new powerplant unique to GT350 – and one that takes true advantage of the new chassis dynamics of the Mustang platform,” said Jamal Hameedi, chief engineer, Ford Global Performance Vehicles.

    The new 5.2-liter engine is the first-ever production V8 from Ford with a flat-plane crankshaft, an architecture typically found only in racing applications or exotic European sports cars. Unlike a traditional V8, where the connecting rods are attached to the crankshaft at 90-degree intervals, this design evenly spaces all crank pins at 180-degree intervals.

    The 180-degree, flat-plane layout permits a cylinder firing order that alternates between cylinder banks, reducing the overlap of exhaust pressure pulses. When combined with cylinder-head and valvetrain advancements, this permits better cylinder breathing, further extending the performance envelope of the V8.

    The result is the most powerful naturally aspirated production Ford engine ever, at more than 500 horsepower, with a torque peak above 400 lb.-ft. The track capability is enhanced by the output characteristics of the engine – the 5.2-liter V8 features an exceptionally broad torque curve. Combined with its high-revving ability, the flat-plane 5.2-liter V8 gives drivers an enormous amount of performance and flexibility within each gear of the lightweight six-speed manual transmission. A standard Ford-tuned Torsen limited-slip differential optimizes cornering grip and straight-line traction.

    “Make no mistake, this is an American interpretation of a flat-plane crankshaft V8, and the 5.2-liter produces a distinctive, throaty howl from its four exhaust tips,” said Hameedi.

    Balanced dynamics
    The new Mustang platform is the strongest in the history of the brand, with torsional stiffness increased 28 percent over the previous model. That stiff structure ensures the suspension geometry remains consistent, even under hard driving on back roads and tracks. Front stiffness is further improved on GT350 with a cutting-edge injection-molded carbon fiber composite grille opening and optional lightweight tower-to-tower brace. The front track has been increased while spring rates and bushings have been recalibrated all around, with ride height reduced compared to Mustang GT.

    For optimum handling, the wheels need to respond quickly to the contours of the road and driver input. Reducing unsprung mass is key to improving that response, but a balance must be struck between taking mass out of a suspension and delivering truly capable braking performance.

    Due to the significant speeds the car can develop, GT350 features the most track-credible brake system ever offered on a Ford vehicle in terms of absolute stopping power, fade resistance and brake pedal feel. The brakes are two-piece cross-drilled iron discs mounted to aluminum hats. At the front are massive 394-millimeter rotors clamped by Brembo six-piston fixed calipers with integrated caliper bridges, while 380-millimeter rotors at the rear utilize four-piston calipers.

    GT350 makes use of extra-stiff 19-inch aluminum-alloy wheels – 10.5 inches wide in front, 11.0 inches in the rear – clad in state-of-the-art Michelin Pilot Super Sport tires with GT350-specific sidewall construction, tread face and compound. The custom tires are designed to deliver maximum grip on the road or at the track.

    Ultra-quick responsiveness to changing conditions is provided by the first-ever Ford application of continuously controlled MagneRide dampers. The dampers are filled with a hydraulic fluid impregnated with iron particles; when an electric current is passed through the fluid, a near-instant adjustment of the suspension performance can be made. With wheel position sensors monitoring motion thousands of times per second combined with other vehicle data, changes can be made to each corner independently every 10 milliseconds for optimum handling performance. This is a system designed not just to make the car handle better but to instill greater confidence in even the best driver.

    Obsession to detail
    “Everything we changed on GT350 is purely functional-driven design, with the goal of improving the overall performance of the car,” said Chris Svensson, Ford design director, The Americas. “We optimized the aero shape of the car, and then fine-tuned what was left to increase downforce and cooling airflow.” All bodywork from the windshield forward is unique to this high-performance model and up to two inches lower than Mustang GT.

    The new aluminum hood has been lowered and sloped, compared to the base Mustang, tightly wrapped around the engine for the smallest possible aerodynamic signature. Front and rear aero elements have been balanced to work together on the track. The fascia has been resculpted to provide the aggressive lower front splitter with maximum pressure and a ducted belly pan delivers significant downforce. The hood outlet acts as a heat extractor while also reducing underhood lift at high speed. At the rear, much of the engineering was focused on creating an aggressive functional diffuser doing double duty to increase downforce and provide cooling air to the optional differential cooler, and a subtle lip spoiler across the trailing edge of the decklid increases downforce without adding excess drag.

    The athletic stance of the all-new Mustang is further accentuated with recontoured aluminum front fenders to accommodate the wider front track and wider wheel arches. Front fender vents work with vented inner fenders to draw out turbulent air in the wheel wells and smoothly direct it down the side of the car. The forward-angled grille is designed with individual openings to draw air through the radiator, high-pressure engine air intake, cooling ducts for the front brakes and, optional with the Track Pack, an engine oil cooler and a transmission cooler.

    Focus-driven cockpit changes
    Like everything else about GT350, the interior has been optimized for driving, beginning with the specially designed Recaro sport seats with a unique cloth. Hundreds of hours and many prototypes went into a seat that is both comfortable in daily driving and capable on the track. A flat-bottom steering wheel makes it easier for the driver to get in and out, and is more ergonomic on the racetrack. Gauges are upgraded to reflect the enormous performance capability of the car. Chrome and bright finishes have been reduced or eliminated to prevent sun glare that may distract the driver.

    The advanced technology inherent to Mustang has been deployed for duty in the Shelby GT350. An all-new integrated driver control system allows selection of five unique modes that tailor ABS, stability control, traction control, steering effort, throttle mapping, MagneRide tuning and exhaust settings, depending on driver preference, to achieve maximum performance. Drivers are invited to test them all.

    Drivers interested in comfort, convenience and entertainment upgrades may select the Tech Pack, which includes power, leather-trimmed seats; Shaker Audio; 8-inch MyFord Touch® LCD touch screen; and dual zone electronic temperature control, to name a few features.

    “We took the best Ford Mustang yet and massaged every aspect of the car that affects the performance driving experience,” said Hameedi. “We tested endlessly on the most challenging roads and tracks in the world, and we believe serious drivers will love the Shelby GT350 Mustang.”

    gt350_shot_04.jpggt350_shot_03.jpggt350_shot_02.jpggt350_shot_01.jpggt350_shot_06.jpggt350_shot_05.jpg

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    RaceTape Ninja Force McCocken's Avatar
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    Flat plane. This should help:

    Flat Plane Crank
    Loose Caboose likes this.
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    http://www.trackhq.com/Banners/yellowsitesponsor.gif emilio700's Avatar
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    Flat plane crank. Holy cow. In laymens terms, this is the difference between the low pitched warble of a crossplane 4.5L BMW, Chevy or Mercedes V8 and the high pitched wail of any Ferrari of the last 40 years. Flat plane V8's vibrate roughly twice as much but half the frequency of a crossplane. The make them as smooth as a crossplane V8 requires heavy, power sapping balance shafts. Motorcycles and race engines forego balance shafts and just shake. A crossplane crank needs to have much larger and heavier counterweights than a flatplane, thus the reason flat plane V8's tend to rev so much quicker. Modern FEA, damping, materials, engine management and constructions techniques have brough all the weight and NVH issues under control to the point where a relatively low cost car can now run a flat plane and meet NVH standards expected of its class. This might open the floodgates for others to bring flat plane V8's into production.

    In for 3000lb 8000rpm flat plane 650whp 6.0L C7 Z06
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    RaceTape Ninja Force McCocken's Avatar
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    I thought Lingenfelter was already making flat plane cranks for the LSx motors.

    Agreed, though, a FPC from a domestic manufacturer, even if in a specialty model, is a pretty big deal.
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    RaceTape Ninja Force McCocken's Avatar
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    Yer pal,
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    Administrator ucfbrett's Avatar
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    Quote Originally Posted by Force McCocken View Post
    Flat plane. This should help:

    Flat Plane Crank
    That is some seriously cool engineering. Thanks for posting it.

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    Senior Member Gian's Avatar
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    Wow that was fast... lol
    This news wasn't suppose to be out till Friday.
    That's not a Typo, I just can't spell no so well.

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    It was actually on Bloomberg T.V. this morning. Matt Miller, one of their talking heads, could be a closet car guy.

    Oh, I almost forgot. Per the commentary, this car will be at the LA car show.
    Last edited by Loose Caboose; 11-17-2014 at 02:42 PM.

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    Quote Originally Posted by Force McCocken View Post
    Nice footage, but it does sound fairly conventional, so it could be a standard crank per the video title.

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    Badass. Matt Miller is a car guy actually.
    SuperMiata S2 Class #33

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    Thanks. His pupils dilated and his and his respiration rate increased, so I figured as much.

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    RaceTape Ninja Force McCocken's Avatar
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    Quote Originally Posted by Gian View Post
    Wow that was fast... lol
    This news wasn't suppose to be out till Friday.
    I read about it on the Detroit News website this morning.

    Quote Originally Posted by Loose Caboose View Post
    Nice footage, but it does sound fairly conventional, so it could be a standard crank per the video title.
    I think one of the two cars has forced induction. The other has an distinct note, unlike their current V8s, for sure.
    Last edited by Force McCocken; 11-17-2014 at 03:51 PM.
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    Turbo 4?

    And the purported stealth 350, per the link below?

    2016 Ford Mustang Shelby GT350 Spy Photos – News – Car and Driver
    Last edited by Loose Caboose; 11-17-2014 at 04:53 PM.

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    COOL! 350gt and ATS-V. That means Corvette and BMW are going to have to kick it up a notch. That just means better toys for you and me.
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    Chest hair required Olitho's Avatar
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    Bill Brinkop wants to know if they upgrade the 5 MPH front bumper to a 30 MPH bumper.
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    To the right of The Sheriff. Isn't everyone?

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    Quote Originally Posted by Olitho View Post
    Bill Brinkop wants to know if they upgrade the 5 MPH front bumper to a 30 MPH bumper.
    Hey! You can't post here. You're a Chevy guy. This is a Ford thread . . .
    Olitho and Loose Caboose like this.
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    Senior Member Gian's Avatar
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    I don't care! I'm still not talking about it till Friday.
    ucfbrett likes this.
    That's not a Typo, I just can't spell no so well.

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    I was thinking earlier that maybe this should be Richard's birthday present.
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    Looks like they chose a stealth track that is far, far away in the boondocks.
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