---- Specifications ----
Engine 5.8 liter V8
Weight 3850 lbs
Aspiration supercharger
Torque 600 lb-ft
HP 650 hp
HP/Weight 5.9 lbs per hp
2013 Ford Shelby GT500 Debuts As Most Powerful Production V8 in the World with 650 Horsepower, Top Speed of 200+ MPH
• New Ford Shelby GT500 is powered by an aluminum 5.8-liter supercharged V8 producing 650 horsepower and 600 lb.-ft. of torque, making it the most powerful production V8 engine in the world
• Nearly every vehicle system has been optimized including powertrain, brakes, gearing and suspension
• New Shelby GT500 sets a performance-driven design standard with new downforce- generating front grilles, aggressive splitter, new quad exhaust system and two new forged-aluminum wheels
• Also new for 2013 is an optional Performance Package with SVT-designed Bilstein electronic adjustable dampers and a Torsen limited-slip differential. The offering can be coupled with a track package for all-out racetrack performance.
The 5.8-liter V8 aluminum-block engine produces 650 horsepower and 600 lb.-ft. of torque, making it the most powerful production V8 in the world. The 3,850-pound car also stays exempt from the gas-guzzler tax.
Nearly every part of the powertrain has been optimized for producing the additional horsepower, including a new supercharger, new cross-drilled block and heads, updated camshaft profiles, a new carbon fiber driveshaft and upgraded clutch, transmission and axle.
A larger, more-efficient supercharger flowing more air through the engine is key to helping produce the massive 650 horsepower. The new TVS series 2300 creates 2.3 liters of displacement and is a unique design to the 5.8-liter engine.
The entire cooling system has been significantly updated on the new 5.8-liter engine. It now includes a larger cooling fan, fan shroud with high-speed pressure-relief doors, a more efficient charge air cooler, a higher-flow intercooler pump and an intercooler heat exchanger with volume increased 36 percent.
Revised gearing
Nearly every gear on the 2013 Ford Shelby GT500 was revised to manage the torque and use more of the power in a way that makes it more driver-friendly. Engineers considered more than 35 gearing combinations, finally deciding on one that balanced torque being transmitted all the way through the wheels and grip to the ground.
A key piece of the driveline, the six-speed manual transmission, offers upgraded gears, bearings and housing so it can properly manage the torque. The final drive ratio is now 3.31:1 for optimized overall vehicle gearing to complement the massive torque. Every gear besides fourth was optimized for competing performance metrics. The clutch has increased torque and rpm capacity and uses a dual-disc design.