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Owner: Doctor DeBo
Year: 1992
Model: Mustang LX
Mods: Heavy
State: GA
Type: Nice Weather
ET Range: Unknown
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Stand Tall: A how-to on tall valve covers
As we make our Mustangs go faster we make changes to the valvetrain that at some point necessitate taller than stock valve covers to fit. Some like the "racy" look of taller valve covers but to the hard core enthusiast they serve a bigger purpose. The most common reason to use tall valve covers is to be able to fit aftermarket roller rockers and valvetrain stabilizers more commonly known as stud girdles. However, before you decide to simply bolt on a set of those polished, tall, Motorsport val...
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Which is the most performance restrictive aspect of a stock 87-95 5.0?
The Stock Heads (E7TE's).
Result: 38%
The Stock Intake.
Result: 14%
Stock cam or someother components (TB, MAF, PCM, etc.).
Result: 2%
Both the Stock Heads and Intake suck the same, changing one with out the other is useless to you.
Result: 46%
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[05/02/2006] 2007 Ford Shelby GT500 Officially Rated at 500 Horsepower

By: -


  • Ford Shelby GT500 officially rated at 500 horsepower, 25 horsepower higher than preliminary estimates
  • The Shelby GT500 will go on sale this summer with more horsepower than any previous factory-built Mustang

    • The most powerful factory-built Mustang ever just got even more potent. Final certification testing of the Shelby GT500’s 5.4-liter supercharged V-8 shows it will produce 500 horsepower and 480 lb.-ft. of torque – 25 more horsepower than preliminary estimates.

    “With 500 hp and the Shelby name, this car is an instant legend," said Hau Thai-Tang, director, Advanced Product Creation & SVT programs. "This is the most powerful, most capable Mustang ever."

    The Ford Shelby GT500’s supercharged 5.4-liter, 32-valve V-8 is a result of Ford’s experience in developing the modular V-8 and V-10 engine series. The engine is force-fed air via a "Roots-type" supercharger providing 9 pounds per square inch of boost. It borrows the four-valve cylinder heads, piston rings and bearings, from the Ford GT engine.

    The 500 hp rating was obtained using the Society of Automotive Engineer’s latest standard and was witnessed by an objective third party. The Shelby GT500’s 5.4-liter supercharged V-8 will be built at Ford’s Romeo Engine Plant in Romeo, Mich. Pricing will be announced closer to launch.

    The right to purchase the first 2007 Ford Shelby GT500 was auctioned for $600,000, with the proceeds benefiting the Carroll Shelby Children’s Foundation. The 2007 Ford Shelby GT500 goes on sale this summer.

    Technical Specifications

    Type

    V-8

    Manufacturing location

    Romeo, Michigan

    Configuration

    Iron Block and Aluminum Heads

    Intake manifold

    Cast-aluminum with Roots-type supercharger and air-to-water intercooler

    Exhaust manifold

    Cast iron

    Crankshaft

    Forged steel

    Throttle Body

    Dual 60 mm, electronic

    Valvetrain

    DOHC, 4 valves per cylinder

    Valve diameter

    Intake: 37.0 mm; Exhaust: 32.0 mm

    Pistons

    Forged aluminum

    Connecting Rods

    Cracked forged steel I-beams

    Ignition

    Coil-on-plug

    Bore x stroke

    3.552 x 4.165 in. / 90.2 x 105.8 mm

    Displacement

    330 cu. in. / 5,409 cc

    Horsepower

    500 hp @ 6,000 rpm (SAE Certified)

    Torque

    480 lb.-ft. @ 4,500 rpm (SAE Certified)

    Compression ratio

    8.4:1

    Redline

    6,250 rpm

    Idle Speed in Neutral

    750 rpm

    Engine control system

    Spanish Oak PCM

    Required fuel

    Premium

    Fuel Injection

    Electronic returnless sequential

    Oil capacity / type

    6.5 quarts / Motorcraft 5W-50 Full Synthetic Motor Oil

    Coolant capacity

    21 quarts

    Peak Boost

    9 psi

    SOURCE: Ford Motor Company

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