More horsepower, more refinement,
The combination of added horsepower, refinement and functionality
makes the 2010 Shelby GT500 a unique high-performance car. The 2010
Shelby GT500 delivers more horsepower and more torque than the outgoing
model, thanks in part to advancements pioneered on the GT500KR.
The 2010 Shelby GT500 is powered
by a supercharged and intercooled 5.4-liter dual overhead cam V-8
engine expected to produce 540 horsepower and 510 foot-pounds of
torque. The redline is 6,250 rpm. The car’s aluminum power
dome hood not only adds to the Shelby’s appearance, it helps
cool the engine through a hood extractor.
The Shelby’s open-element air
induction system features a conical air filter instead of a flat-panel
closed system to reduce air restriction. This approach allows more
air to be pumped through the engine, producing more power and increasing
the engine’s efficiency.
A cold-air intake feeds the coolest
air possible directly into the air box, helping further increase
horsepower. The intake necessitated moving the Cobra snake badge
to the other side of the grille to enable maximum airflow.
The twin-disc clutch on the six-speed
manual transmission has been significantly upgraded, improving drivability
and NVH. The discs on the 2010 Shelby GT500 are larger – 250
mm in diameter compared with 215 mm in diameter on the outgoing
model – and made of copper and fiberglass to make them more
A unique component of the twin-disc
system is the control of the intermediate disc. Rather than floating,
it instead has six straps that control the engagement of the clutch,
The 2010 Shelby GT500 offers customers
improved straight-line acceleration, plus fuel savings when cruising
on the highway in the top gears. Gears 1-4 remain the same, but
fifth gear changes from .80 to .74 while sixth gear goes from .63
to .50, meaning that the 2010 Shelby GT500 will turn lower engine
RPMs in those gears and deliver improved fuel efficiency. The new
final drive ratio, from 3.31 to 3.55, enables the improved acceleration
in lower gears while complementing the revised fifth and sixth gear
The Shelby’s distinct sounds
will be apparent as always, though with new refinements, thanks
to the work of the Noise, Vibration and Harshness (NVH) team. A
patented resonator placed between the air filter and engine throttle
body helps keep unwanted noise in check.
“You still hear the supercharger
but not so that it’s intrusive,” said Kerry Baldori,
chief functional engineer for SVT. “It’s the same with
the exhaust. You want people to know you’re driving something
special, but you don’t want an exhaust note that overpowers
the whole interior.
“We spent a lot of time getting
the right sound quality out of the exhaust so you get that nice,
crisp Shelby sound outside and a pleasant sound inside the cabin.
It’s a nice balance; one isn’t overpowering the other.”