Gasoline – Fuel Efficiency

New Pentastar V-6 Engine to Improve Fuel Efficiency

March 23, 2010

AUBURN HILLS, MI - Chrysler Group's new Pentastar V-6 engine lineup will contribute to an overall fuel-efficiency improvement across the Chrysler, Ram Truck, Jeep, and Dodge product lineup, according to the automaker. More refined and fuel-efficient, the Pentastar engine will ultimately replace seven current Chrysler Group V-6 engines and utilize advanced technologies from the Fiat alliance such as Multiair, direct-injection, and turbocharging.

The engine will first be offered in the all-new 2011 Jeep Grand Cherokee, launching this year.

In the all-new 2011 Jeep Grand Cherokee, the all-new 3.6L Pentastar V-6 engine will deliver 290 horsepower (216 kW) at 6,350 rpm and 260 lb.-ft. (353 N•m) of torque at 4,300 rpm - an increase of 38 percent in horsepower and 11 percent in torque over its predecessor - while providing an 11-percent fuel economy improvement.

The advanced oil-filter system eliminates oil spills and contains an incinerable filter element for more efficient disposal than typical oil filters. The use of long-life spark plugs and a high-energy coil-on-plug ignition system also helps to reduce maintenance costs.

The Pentastar V-6 is designed to run on regular gasoline, offering a 10-percent reduction in fuel cost compared with premium fueled engines. The engine also is flex-fuel capable, offering users the choice of gasoline or E-85 fuel.

All-new Chrysler 3.6L, DOHC, 24-valve Pentastar V-6 Technical Specifications
Displacement: 3.6 liters
Bore x stroke: 96 x 83 mm
Valve train system: Double-overhead cam with roller finger followers and hydraulic lash adjusters. Dual independent cam-torque actuated phasers
Fuel injection: Multi-point port fuel injection
Construction: High-pressure die-cast aluminum cylinder block and semi-permanent mold aluminum cylinder head
Maximum engine speed: 7200 rpm
Fuel requirement: E-85 (Ethanol) or unleaded regular, 87 octane (R+M)/2
Emission capability: PZEV

 

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