FCA’s Revised Pentastar V6 Gains 14.9 Percent More Torque For 2016MY

Fiat Chrysler Automobiles has announced significant upgrades for the Pentastar V6 engine for the 2016 model year.

Making its debut in the 2016 Jeep Grand Cherokee, the revised 3.6-liter Pentastar V6 engine will deliver up to 14.9 percent more torque than before while offering fuel economy improvements of more than 6 percent. The increased torque occurs at engine speeds below 3,000 rpm, making a difference both in terms of performance and fuel efficiency.

On the 2016 Jeep Grand Cherokee, the new 3.6-liter Pentastar V6 will produce 295hp, 5hp more than the previous version of the engine thanks to a new intake manifold which improves airflow.

Among the enhancements Chrysler lists the addition of a two-step variable valve lift (VVL), cooled exhaust-gas recirculation (EGR) and innovative weight-reduction strategies. The two-step VVL is designed to remain mostly in low-lift mode until the driver demands more power; then it responds by switching to high-lift mode for improved combustion.

The engine also features an upgraded Variable Valve Timing (VVT) system, which moves to torque-driven cam-phasing for 2016, reducing oil demand.

Other upgrades include the modification of the engine’s compression ratio from 10.2:1 to 11.3:1, new fuel injectors, valve springs, low-tension piston rings and piston pins which feature diamond- like carbon coating.

Despite added content, the new 3.6-liter Pentastar V6 engine tips the scales at 326lbs (148kg), 4lbs (1.8kg) less than the previous iteration.



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