The Real American Muscle

Discussion in 'OT Driven' started by matrix243, Jan 8, 2006.

  1. matrix243

    matrix243 My body, is ready.

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    First one auctioned off at Barrett-Jackson January 21!
     
    Last edited: Jan 23, 2006
  2. matrix243

    matrix243 My body, is ready.

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    one gorgeous piece of machinery.
     
  3. Fast GTO

    Fast GTO New Member

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  4. Possum Stomper

    Possum Stomper The Great Bird of the Galaxy

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    so hot, can't wait to see what it can do
     
  5. DAD DICK

    DAD DICK MAKE AMERICA GROPE AGAIN OT Supporter

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    That's nice, and I'm not much of a Ford fan, aren't those almost a direct copy of the C5 Z06 wheel though? Any idea what it's supposed to run in the 1/4?
     
  6. matrix243

    matrix243 My body, is ready.

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    The look of the Shelby GT500 is purposeful, almost menacing in a way. The nose is bluff, taller because of a domed aluminum hood that shields a 5.4-liter V-8 topped by a supercharger. To help move air through the engine compartment, the grille and lower intakes are larger and there are additional extractors in the hood surface. The maw looks even more gaping since the standard Mustang pony has galloped off to parts unknown, replaced by a coiled serpent that now nests off to the side.

    A new chin splitter accentuates the Mustang's shark-nose look, and that aero aid is complemented by a rear diffuser and deck spoiler. Pull two latches and push a button, and the three-layer canvas roof retracts. It's time to get down to business.


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    Highly bolstered sport seats with a retro stitch pattern and Cobra logos fit like a glove. A leather-clad steering wheel with convenient thumb grips also sports a snake on its hub. The instrument panel is stock Mustang, and yet something's different-the tach is now on the right, closer to the shifter. The graphite faces with white lettering have a small SVT logo, which tips you off to the car's pedigree. That logo is a programmable shift light, another thoughtful touch to go along with the aluminum-accented pedals and gearchange.

    Twist the key and the 5.4-liter V-8 rumbles to life, sending its bass notes down a 2.5-in. exhaust that features an X-pipe and dual tips. Goose the throttle and an Eaton M122 supercharger (upgraded from the previous-generation Cobra's M112 blower) pumps 10 to 12 psi into the combustion chambers. Seated next to me is Jay O'Connell, chief technical engineer of SVT, who says coyly that both horsepower and torque are somewhere between 470 and 480, though final numbers are still pending. For argument's sake, we'll say 475 bhp and 475 lb.-ft. of torque.


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    Depressing the clutch takes no more effort than on a stock 300-bhp 4.6-liter V-8 Mustang GT. That's because instead of a single plate, the Shelby GT500 has a dual-disc clutch coated with a cerametallic coating. Each disc is only 215 mm in diameter, as opposed to the stock 240 mm, and two of them offer much more surface area and less inertia, allowing the engine to spin up freely. "The cerametallic material is like racing brakes versus base brakes. The material can hang on for much higher temperatures and stand a lot more abuse," O'Connell explains.

    I dump the clutch to prove his point. With traction control off, the rear 18-in. P285/40 Goodyear F1 Supercar tires light up, the car steps out slightly but quickly comes back in line while the free-revving engine hammers off the rev limiter. O'Connell smiles and notes that the wider rear tires (compared with the P255/45 radials up front) help keep the rear end in check.


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    The Tremec 6-speed, with its beefed-up gears, triple synchros in 1st and 2nd, and high multiplication in 1st thanks to a 2.97:1 instead of a 2.66:1 ratio, provides quick, snappy shifts. This is the same gearbox found in the Dodge Viper, but thanks to some changes in the linkage, it feels less balky and much more precise in action. The 3-4 upshift still takes slightly more effort to snick positively into place, but overall, the gearbox's action is intuitive.

    After the scorching burnout, we roar up a steep incline on Ford's Hill Course at its Romeo, Michigan, proving ground. Under full throttle, the throbbing exhaust pulses compete with the whine of the supercharger. While not as raucous as the blower on the previous-generation Cobra, there's no doubt that the GT500 is operating under forced induction. Roll out of the throttle, watch the boost gauge drop to zero and the noise all but disappears. Motor around at lower speeds, and the extra boost noise is barely noticeable.


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    While the GT500 is similar in concept to the hairy GT500KRs of yore, its execution is decidedly civilized. The first impression is that of a tractable, easy-to-drive sporty car with linear power delivery at lower speeds. That linear feel masks the beast beneath-the GT500 is ready to rock when you jump on the accelerator.

    Even though the iron-block Triton V-8 and its peripherals including supercharger, intercooler and beefed-up transmission add nearly 300 lb. to the curb weight (much of it on the nose), the GT500 feels remarkably balanced, almost lithe. True, the convertible loses some structural rigidity, but the blow is softened by its improved weight distribution. The coupe, which tips the scales at less than 3900 lb., is about 150 lb. lighter than the convertible, the extra weight attributed to the top mechanism. At just over 4000 lb., the convertible carries this extra mass mostly behind the driver.[i/]

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    In addition to being slightly less nose-heavy than the coupe, the convertible is slightly softer in springing and damping. This not only improves ride, but also compensates for the lack of stiffness inherent with a convertible. Still, O'Connell says that body engineers have gone through the structure and shored up several joints and seams to compensate for the extra weight of the powertrain. These improvements have been incorporated in the base coupe and convertible, making all Mustangs better as a result of the development of the GT500. In addition to those body improvements, the GT500 sports a strut-tower brace that ties both sides of the engine compartment together.

    These improvements contribute greatly to the solid feel of the convertible. There's no cowl shake, shimmy or rattles usually associated with an open-top vehicle. The convertible feels a little more fluid than the coupe, but even over tar strips and other road imperfections, the body is solid.

    With slightly more effort needed than in the stock GT, the steering is accurate and nicely weighted, although off-center feel could be a bit crisper. O'Connell said additional tuning will sharpen that response by launch. Needing no extra work is the braking. Larger 14.0-in. front discs are clamped by 4-piston Brembo calipers, while 2-piston calipers work on the rear 12.4-in. discs. The brake pedal feel is positive, with firm feedback making it a breeze to modulate the stopping power.

    The overall driving experience of the GT500 is pleasant in normal driving and exhilarating when you're on it. The handling is fairly neutral until the massive power is tapped to induce power oversteer. Lift the throttle and the back end settles into place. The predictable nature of the suspension is owed to its simplicity. While the previous Cobra had an independent rear, SVT decided to work with the car's stock live axle setup, refining it to match the characteristics of the car. O'Connell said a modular approach to an independent rear (on the previous car, the independent rear bolted into the same space as the stock axle) would have added weight, cost and still would not have had the optimum geometry because of the packaging constraints. The GT500 is no Ford GT, but it doesn't try to be. And buyers who will be looking to race the car will find that upgrades to the live-axle rear setup will be easy and inexpensive.
     
  7. A468BU

    A468BU da dee dum OT Supporter

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    Red w/ White stripes :bigthumb:
     
  8. toeshoes

    toeshoes Guest

  9. matrix243

    matrix243 My body, is ready.

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    285's should put some power down.

    love the shift light idea.
     
  10. machine81

    machine81 New Member

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    White w/ Blue Stripes:wackit:
     
  11. YoSmoovKid

    YoSmoovKid New Member

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    meh.... z06 > mustang
     
  12. whathappened2u

    whathappened2u New Member

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    Z06 is a factory race car, the Shelby isn't trying to be like the Z06. If it was it wouldn't be sold in a convertible and they would of made an effort to put the fat pig on a diet.
     
  13. YoSmoovKid

    YoSmoovKid New Member

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    how about stock vette vs. mustang gt 500 ?
     
  14. matrix243

    matrix243 My body, is ready.

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    C06?
    still, 2 different categories, 2 different price ranges.
     
  15. matrix243

    matrix243 My body, is ready.

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    for that price either hp or weight is going to hurt.

    C06 is what $60k for 400hp?
     
  16. YoSmoovKid

    YoSmoovKid New Member

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    base price for the conv't vette is listed as $51,890 at Edmunds
     
  17. 396Hawk

    396Hawk Active Member

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    They had a white/blue one at the NAIAS. :bigthumb:
     
  18. matrix243

    matrix243 My body, is ready.

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    "GT and GT500 have the same displacement, same heads, same static C/R, same cams or very near the same cams, and surprise, a positive displacement blower."

    Except cast block/wet sump.

    pulley+exhaust+tune = 638whp.
     
    Last edited: Jan 16, 2006
  19. matrix243

    matrix243 My body, is ready.

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    [​IMG][​IMG]
     
    Last edited: Jan 16, 2006
  20. Light Speed

    Light Speed Guest

    I read that and saw those blue gt500 pics today, tms? :big grin:
     
  21. syP

    syP OT Supporter

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  22. red97gst

    red97gst New Member

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    i dont like that sad faced hound dog look they put on the front of it. doesnt look aggressive in any way shape or form. and there looks to be about 8 inches of space between the rear tire and the fender. given, it's essentially a drag strip car, but they could at least make it look sleek. might as well have a pair of cragars with MT ET's on the back straight out the factory.....
     
  23. whathappened2u

    whathappened2u New Member

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    What is a C06?

    C6 starts at $45k. and is 400HP. And even a Base C6 will outhandle a GT500.
     
  24. 396Hawk

    396Hawk Active Member

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    It's short for C6 Z06.
     
  25. Light Speed

    Light Speed Guest

    youve never seen the gt500 move, so id stfu if i were u
     

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