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  • Chrysler Officially Introduces New "Pentastar" Engine In NYAS

Chrysler Officially Introduces New "Pentastar" Engine In NYAS

April 8, 2009

Carlos LagoApr 8, 2009
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With the 2011 Jeep Grand Cherokee reveal at the New York Auto Show today, Chrysler also introduced its new V-6 engine. Named "Pentastar," appropriately enough, the 3.6L engine uses double-overhead camshafts, coil-on-plug ignition, and runs on regular and E85 fuels without degradation to performance or economy, according to Chrysler.
In the Grand Cherokee, the V-6 produces 280 horsepower 6400 rpm and 260 lb.-ft. of torque at 4800 rpm. Chrysler says 90% of peak torque is available from 1600 to 6400 rpm. The V-6 will reach through the Chrysler, Jeep and Dodge lineups, contributing an important two mile per gallon increase to Chrysler's CAFE score.
3.6L, DOHC, 24-valve "Pentastar" V-6 Specs:
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* Bore x stroke: 96 x 83 mm
* Valvetrain: 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: E85 (Ethanol) or unleaded regular, 87 octane (R+M)/2
* Emission capability: PZEV
Source: Chrysler
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