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2004 Dodge Ram 5.7L HEMI Specs

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Is it a true HEMI? says yes. Robert Lee, from Chrysler's Rear-Wheel Drive Engine department, stated the heads have true Hemi chambers with a few cubic centimeters of additional material on each side to channel the flow and get the proper burn characteristics. This was done in the chambers, instead of on the tops of the pistons, in order to maintain the engine's efficiency.

Press Release Published August 12, 2002

The 5.7-liter HEMI® Magnum V-8

Auburn Hills, Mich. -- While completely re-engineered from the legendary 426 HEMI V-8 that powered Chrysler muscle cars of the 1960s, two features earn the new 5.7-liter HEMI power plant its HEMI name.

Facts and Features

The power plant’s simple and efficient design means servicing and repairs are easier and less costly.


Type and description Eight cylinders, 90-degree V-type, liquid cooled
Displacement 354 cu. in (5,654 cu. cm)
Bore x stroke 3.92 x 3.58 (99.5 x 90.9)
Valve system Pushrod-operated overhead valves, 16 valves, hydraulic lifters with roller followers
Fuel injection Sequential, multi-port, electronic, returnless
Construction Deep-skirt cast iron block with cross-bolted main bearing caps. Aluminum alloy heads with hemispherical combustion chambers
Compression Ratio 9.6:1
Power (SAE net) 345 bhp (257 kW) @ 5400 rpm, (61.0 bhp/L), 2500 series
Torque (SAE Net) 375 lb.-ft (508) Nm) @ 4200 rpm 2500 series
Max. engine speed 5,800 rpm
Fuel requirement Unleaded mid-grade, 89 octane (R+M)/2 - recommended
Unleaded regular, 87 octane (R+M)/2 - acceptable
Oil capacity 7 qt. (6.6L)
Coolant capacity 18.7 qt. (17.7L)


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This page was edited on: May 3, 2004