Dodge Dakota 2011 - Page 2

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ENGINE: 4.7-LITER, SOHC, 16-VALVE SMPI V-8
Availability
Optional on Dakota Big Horn and Laramie
Type and Description
V-type, liquid-cooled
Displacement
287 cu. in. (4701 cu. cm)
Bore x Stroke
3.66 x 3.40 (93.0 x 86.5)
Valve System
Chain-driven SOHC, 16 valves, hydraulic end-pivot roller rockers
Fuel Injection
Sequential, multi-port, electronic, returnless
Construction
Cast-iron block, aluminum alloy heads
Compression Ratio
9.0:1—standard output
Power (SAE Net)
302 bhp (224 kW) @ 5,650 rpm
(64.2 bhp/L)—standard output
Torque (SAE Net)
329 lb.-ft. (454 N•m) @ 3,950 rpm—standard output
Max. Engine Speed
5,750 rpm
Fuel Requirement
E85 (Ethanol) or Unleaded regular, 87 octane (R+M)/2—Normal
Oil Capacity
6 qt. (5.7L)
Emission Controls
Dual three-way catalytic converters, heated oxygen sensors, and internal engine
features
(a)
Estimated EPA Fuel Economy mpg
(City/Hwy)
Standard Output:
14/19—2WD Auto Transmission
(a)
14/19—4WD Auto Transmission
(a)
(a) Tentative EPA label values, pending official test results.
TRANSMISSION: 42RLE—Automatic, four-speed overdrive
Availability
Included with 3.7L engine
Description
Clutch-selected planetary gear sets full electronic control, electronically-
controlled torque converter clutch
Gear Ratios
1st
2.84
2nd
1.57
3rd
1
4th
0.69
Overall Top Gear
2.45 with 3.55 axle ratio, 2.74 with 3.92 axle ratio