Durango-nology
A compendium of information about the Dodge Durango.
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Last Updated: 9/23/2010

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3.9 L Magnum
Click on the above links to view detailed specifications & infos about each engine

The Magnum 3.9-Liter OHV, SMPI V6

The 3.9 L (239 cu in) V6, like the 5.2 L and 5.9 L V8s, received the new Magnum cylinder heads, induction and engine management system as well as the Magnum name in 1992. Power increased substantially from previous models to180 hp (134 kW) and torque from 195 lb·ft (264 N·m) to 220 lb·ft (298 N·m).

n 1994 the exhaust manifolds for this engine were reduced in size for economical reasons. This reduced the engine's output to 175 hp (130 kW), but it retained its torque rating which later grew to 225 lb·ft (305 N·m) when placed into the Dodge Durango.

IThis engine was last available for the 2000 Dodge Durango.

This engine was removed as an option for the Dodge Durango in 2000 but was still produced for the Dodge Dakota pickup until 2003.

Starting in the 2004 model year it was entirely withdrawn from production and replaced with the 3.7 L PowerTech V6 engine.



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Engine Specifications
Type & Description 6-Cylinder, 90° V-type, Liquid Cooled
Displacement 239 cu in (3,906 cc)
Bore x Stroke 3.91 x 3.31 (99.3 x 84.1)
Valve System OHV, 12 valves, roller followers, hydraulic lifters
Fuel Injection Returnless sequential multipoint electronic
Construction Cast-iron block and heads
Compression Ratio 9.1:1
Power (SAE net) 175 bhp (130 kW) @ 4,800 rpm
Torque 225 lb-ft (305 N·m) @ 3,200 rpm
BHP/Liter 44.9
Max. Engine Speed 5,250 rpm
Fuel Requirement Unleaded regular, 87 octane (R+M)/2
Oil Capacity 4 qt (3.8 L)
Coolant Capacity 14.0 qt (13.3 L)
Emission Controls 3-way catalyst, heated oxygen sensors (2), engine modifications
EPA Fuel Economy (City/Hwy) 15/18 (estimated)










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