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Hemi Engine Database

2004 Dodge Durango 345
Model Number:
Size (cu-in) 345
Power (hp) 335 @ 5200
Torque (lb-ft) 370 @ 4200
Bore (in) 3.92
Stroke (in) 3.58
Compression 9.6:1
Carburetor SMPI
In Valves (in) 2.00
Ex Valves (in) 1.55
Firing Order 1-8-4-3-6-5-7-2
Left Bank
Right Bank
Dry Weight (lbs) 590

EGR has been added to the Hemi for the 2004 models. The Hemi in the Ram gets a few exhaust tweaks, but otherwise the engine remains as-is from the 2003 model year.

  • Ram 1500s have 2 small cats and a resonator (a change from 2003 models)
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