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18Chrysler kicks off production of Pentastar V6 engine, touts fuel efficiency improvements

Chrysler Pentastar V6 engine begins production – Click above for high-res image gallery

74Chrysler kicks off production of Pentastar V6 engine, formerly known as "Phoenix"

Chrysler Pentastar V6 engine begins production – Click above for high-res image gallery

75Chrysler's flexible new Pentastar V6

While the 2011 Jeep Grand Cherokee wowed the crowds in New York, what lies beneath could be a key to Chrysler's recovery. The new 3.6-liter V6, called Pentastar after the company's five-pointed-star logo, replaces seven – count 'em, seven – of Chrysler's aging engines, and stands as the outcome of several years of development.

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