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Dodge Magnum SRT8 Powertrain
6.1-liter SRT version of the legendary HEMI engine was inspired by
the original family of HEMIs Ė particularly the namesake
hemispherical combustion chambers that provide power and efficiency
and select visual cues including the classic orange-painted cylinder
block and black valve covers.
engine also matches the legendary ďStreet HEMIĒ of the 1960s and
1970s with its 425-horsepower rating. But it does so with less
displacement. The 6.1-liter HEMIís 69.8 horsepower-per-liter rating
exceeds that of the Street HEMI.
SRT HEMI is subject to many requirements that older engines didnít
have to meet Ė requirements for emissions and fuel efficiency.
Chrysler Groupís 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.
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.
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.
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
HEMIís 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.
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.
for the SRT 6.1-liter HEMI is channeled through an A580 five-speed
automatic transmission with specially calibrated driver-selectable
AutoStickģ, 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.
Dodge Magnum SRT8 is built at the Brampton Assembly Plant in
Brampton, Ontario, Canada.
There is no rule that says you have to give up utility
for high performance. But if there were such a rule, the all-new
2006 Dodge Magnum SRT8 would break it.
and Racing Technology (SRT) engineers began with a solid foundation
Ė the 2006 Dodge Magnum Ė and successfully injected SRT DNA in order
to produce a vehicle that can cover a quarter mile in the high
13--second range and haul home a brand-new 27-inch TV.
Dodge Magnum SRT8 offers key SRT attributes in ride and handling
across a dynamic range, benchmark braking, performance-inspired
interior appointments and exterior styling, as well as the raw
performance of SRTís big-bore version of the HEMI engine.
Performance numbers for the all-new 2006 Dodge Magnum SRT8 include a
0-60 mph time in the low 5-second range and 60-0 mph braking in
approximately 110 feet. Capable of covering a quarter-mile in the
high 13-second range, the Dodge Magnum SRT8 can accomplish SRTís
signature performance test of 0-100-0 mph in the mid 16-second
Dodge Magnum SRT8 Ride and Handling
all-new 2006 Dodge Magnum SRT8 is set up for outstanding ride and
handling across a dynamic range.
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 SRT8ís performance
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 245/45/20 in the front, and
255/45/20 in the rear.
Dodge Magnum SRT8 Braking
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
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.
Dodge Magnum SRT8 Exterior
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 brandís character and contribute to
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 Interior
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.
instrumentation, including a 180-mph (300 kph) speedometer,
tachometer and temperature gauges, befits the performance-oriented
character of the 2006 Dodge Magnum SRT8ís interior.