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Mopar
Information: HomeChrysler,
Dodge And Plymouth Engines426
HEMI |
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HEMI Milestones:
2005 - 2007 |
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A journey through
Chrysler's HEMI engine history. |
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2005 - Chrysler 300C and Dodge Magnum R/T are the first
modern, production North American vehicles to feature cylinder
deactivation – the Chrysler Group Multi-Displacement System (MDS)
turns off four cylinders in the 5.7-liter HEMI engine when V-8 power
is not needed for up to a 20-percent fuel savings. |
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2005 - The Street and Racing Technology (SRT) team develops a
6.1-liter version of the HEMI to power future Chrysler Group SRT8
models – the 425 hp engine is the highest-rated specific-output
naturally-aspirated V-8 ever offered by the Chrysler Group. Its 69.8
horsepower-per-liter rating exceeds even that of the legendary 1966
“Street HEMI.” Torque is rated at 425 hp at 6,000 rpm 420 lb.-ft. at
4,800 rpm. |
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2005 - The 6.1-liter HEMI engine has more displacement with
larger cylinder bores compared to the 5.7-liter. |
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2005 - The compression ratio was boosted from 9.6:1 to 10.3:1
for more energy in the combustion process. |
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2005 - Engine breathing in the 6.1-liter was increased with
new high-flow cylinder heads, a specially designed intake manifold
and exhaust “headers” with individual tubes encased in a
stainless-steel shell. Exhaust is routed through a 2.75-inch exhaust
system. |
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2005 - A unique camshaft profile maximizes power in the
6.1-liter HEMI. |
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2005 - The Chrysler 300C SRT8 is the first two SRT8 products
announced – both packing the new 6.1-liter HEMI engine. |
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2005 - For the first time ever, a HEMI is available in a
Jeep® – the all-new Jeep Grand Cherokee is available with 5.7-liter
HEMI. |
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2005 - MDS is standard equipment with the HEMI in Jeep Grand
Cherokee – the first time cylinder deactivation is offered in a
sport utility vehicle. |
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2005 - The 5.7-liter HEMI is named one of Ward’s 10 Best
Engines for the third year in a row. |
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2005 - The one-millionth modern HEMI engine roars off the
assembly line. |
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2006 - The all-new Dodge Charger R/T powers it's way back to
the streets and racetracks across America with 5.7-liter HEMI,
paying homage to the muscle cars of the '60s, and adding 21st
century performance and functionality. |
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2006 - The Dodge Charger Daytona includes a unique
high-performance exhaust and induction system to allow the 5.7-liter
HEMI to produce 350 hp with a distinctive throaty exhaust tone. |
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2006 - Chrysler Group is the first to offer cylinder
deactivation in a pickup truck – MDS made standard equipment with
the HEMI 5.7-liter engine. |
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2006 - MDS is added to HEMI-powered Dodge Durango. |
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2006 - Chrysler Group MDS is standard equipment on Chrysler
300C and Dodge Magnum R/T, Charger R/T, and it is standard on
5.7-liter HEMI-powered Jeep Grand Cherokee, Jeep Commander, Dodge
Durango and Ram 1500. |
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2006 - The SRT lineup is expanded to now include the Dodge
Magnum SRT8, Dodge Charger SRT8 and Jeep Grand Cherokee SRT8 – all
powered by the 6.1-liter HEMI. |
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2007 - There will be nearly one million vehicles on the road
equipped with Chrysler Group’s MDS. |
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2007 - With the addition of MDS to HEMI-equipped Dodge
Durango and Ram, MDS-equipped vehicles through the end of the 2007
model year will save more than 60 million gallons of fuel each year. |
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Source:
DaimlerChrysler |
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