(continued)
The new engine also matches the legendary “Street HEMI” of the 1960s and 1970s
with its 425-horsepower rating. But it does so with less displacement. The
6.1-liter HEMI’s 69.8 horsepower-per-liter rating exceeds that of the Street
HEMI.
Today’s SRT HEMI is subject to many requirements that older engines didn’t have
to meet – requirements for emissions and fuel efficiency.
With the Chrysler Group’s clean and efficient all-new 5.7-liter HEMI as a
starting point, SRT powertrain engineers developed 85 more horsepower by adding
more cubic inches, increasing the compression ratio, redesigning the cylinder
head, intake and exhaust systems for increased flow, and increasing engine
speed.
For more displacement, SRT engineers bored out the diameter of the cylinders in
the HEMI by 3.5 millimeters each in order to increase the total displacement to
6.1 liters from 5.7 liters.
Compression ratio was also increased to 10.3:1 from 9.6:1, increasing engine
efficiency and power.
Engine breathing was increased with new higher-flow cylinder heads, a specially
designed intake manifold, and exhaust headers with individual tubes encased in a
stainless steel shell, all unique to the 6.1-liter HEMI engine. Larger-diameter
valves and reshaped ports in the heads allow for maximized air flow. The intake
manifold was designed with larger-diameter and shorter runners for higher-speed
tuning. Exhaust is routed through a large-diameter (2.75-inch vs. 2.5-inch)
exhaust system with 3.5-inch chrome tips.
To further increase horsepower, performance-oriented camshaft profiles were
developed to allow more air in and out of the cylinders, as well as manage a
higher engine speed. SRT engineers increased the HEMI’s peak power output engine
speed nearly 20 percent, to 6,000 revolutions per minute (rpm) from 5,000 rpm.
Intake and exhaust valve stems are hollow, and the exhaust valve stems are
filled with sodium to help dissipate heat more efficiently.
The high-performance SRT 6.1-liter HEMI is strengthened with redesigned
components, including a reinforced engine block, forged steel crankshaft,
high-strength powdered-metal connecting rods, floating-pin pistons (cooled by
oil squirters), and an oil pan modified to manage oil return to the pan sump at
high engine speeds.
Power for the SRT 6.1-liter HEMI is channeled through an A580 five-speed
automatic transmission with specially calibrated driver-selectable AutoStick,
which offers fully automatic or manual shifting selection. A heavy-duty
four-flange prop shaft sends the torque from the transmission to an upgraded
differential and axles.
2006 Dodge Magnum SRT8 Ride and Handling
The all-new 2006 Dodge Magnum SRT8 is set up for outstanding ride and handling
across a dynamic range.
Chassis setup for the Dodge Magnum SRT8 is aimed at all-around performance with
SRT-tuned dampers, specially tailored spring rates and suspension bushings, and
large-diameter anti-sway bars. The ride height of the Magnum SRT8 is one-half
inch lower than the Dodge Magnum, while the Electronic Stability Program (ESP)
has been specially tuned for the 2006 Dodge Magnum SRT8’s performance handling
characteristics.
The all-new 2006 Dodge Magnum SRT8 will meet the road with a new wheel and tire
assembly consisting of unique 20-inch forged aluminum wheels shod with
high-performance Goodyear F1 three-season tires with asymmetrical tread
(four-season tires are an available option). Tire dimensions are a formidable
245/45 R20 in the front, and 255/45 R20
in the rear.
Braking
One of the most significant dimensions of well-balanced performance is the
ability to slow and stop as safely and predictably as possible. The braking
system of the 2006 Dodge Magnum SRT8 was designed to provide benchmark braking
performance, setting a new standard for cars in its class.
All four wheels feature performance brake calipers developed by Brembo and
finished in Dodge SRT red. Each is equipped with four pistons for even clamping
performance. The Dodge Magnum SRT8 has 360 x 32mm vented rotors up front, with
350 x 26mm vented rotors in the rear.
Exterior
Dodge Magnum is striking with its raised beltline and roofline pulled down
tautly around the windows. SRT stylists made functional improvements that
resonate with the Dodge brand’s character and contribute to performance.
For example, an all-new front fascia helps increase cooling through integrated
ducts that help direct air to cool the brakes. A front air dam reduces lift,
while in the rear, there is an all-new fascia with an integrated wake modifier
and aggressive cutouts to accommodate the dual 3.5-inch exhaust tips.
Dodge Magnum SRT8 styling is also unique with a body-color grille insert with
chrome trim, satin-finish front and rear bumper inserts, body-color mirrors and
door handles, and unique SRT badging.
Three exterior colors are available: Bright Silver, Brilliant Black and Inferno
Red Crystal Pearlcoat.
Interior
Inside, the 2006 Dodge Magnum SRT8 features power-adjustable, deeply sculpted
and highly bolstered sport seats in the front complete with performance suede
inserts to hold the occupants during maneuvering. All seats have contrasting red
stitching.
Other amenities include “carbon fiber” leather trim for better grip on the
steering wheel, and special carbon fiber finishing on the center stack.
Full instrumentation, including a 180-mph (300 km/h)
speedometer, tachometer and temperature gauges, befits the performance-oriented
character of the 2006 Dodge Magnum SRT8’s interior.
Standard features of the 2006 Dodge Magnum SRT8 include AM/FM radio with
six-disc CD changer, steering wheel-mounted audio controls, power adjustable
pedal cluster and rear cargo net.
Options available on the 2006 Dodge Magnum SRT8 include power sunroof, heated
seats, supplemental side air bags, and the Trailer Tow Group which offers load
leveling and height control.
Also available are SIRIUS Satellite Radio and a UConnect hands-free
communications system with Bluetooth technology. This system recognizes up to
seven different Bluetooth-equipped cellular phones and responds to voice
commands, utilizing a microphone in the rear-view mirror and the stereo system’s
speakers for hands-free conversations.
The 2006 Dodge Magnum SRT8 interior is offered in Dark Slate Gray/Light
Graystone.
Safety and Security Features
- Auto-reverse Windows: An advanced sensing system automatically reverses
window direction when it senses resistance
- Advanced Multi-stage Air Bag System: Inflates with a force appropriate to
the severity of impact. Includes occupant classification system (OCS)
- Anti-lock Brake System: Equipped with electronic sensors that help prevent
wheel lockup. The optional ABS system offers improved steering control under
extreme braking and/or slippery conditions
- Body Structure: Crush zones and stiffeners engineered into the vehicle
body help absorb energy, while preserving the integrity of the vehicle
compartment. These reinforcements provide additional protection in an
offset-type impact
- Child Seat Anchor System: The Lower Anchors and Tethers for CHildren
(LATCH) system eases installation of compatible aftermarket child seats
- Constant Force Retractors (CFR): Front seat belts include a mechanical
device that distributes the force of a seat belt according to the load or
force exerted on it. CFRs are engineered to force-limit the belt system, and
gradually release the seat belt webbing in a controlled manner during a crash
- Electronic Stability Program (ESP): This available feature aids the driver
in maintaining vehicle directional stability, providing oversteer and
understeer control to maintain vehicle behavior on road surfaces
- Energy-absorbing Steering Column: Manual-adjust steering column includes
two hydroformed coaxial tubes that move relative to each other, which allows
the column to move forward and provide more energy absorption during a crash.
The power-adjust steering column uses a calibrated bending element that
deforms during column stroke for optimal energy management
- Occupant Classification System (OCS): The OCS measures conditions for
activation or deactivation of the passenger side front air bag based upon the
weight of the occupant
- Pretensioners: During a collision, impact sensors initiate front seat belt
pretensioners to immediately remove slack from seat belts, which reduces
forward movement of the occupant’s head and torso
- Supplemental Side-curtain Air Bags: The side-curtain extends protection to
front and rear outboard passengers
The 2006 Dodge Magnum SRT8 is built at the Brampton Assembly Plant in
Brampton, Ontario, Canada.
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