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► 2014 Ram Power Wagon debut

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Compelling numbers tell the best-in-class story of the standard 6.4-liter HEMI 16-valve V-8 engine: 410 horsepower at 5,600 rpm and a peak torque rating of 429 lb.-ft. (582 N•m) at 4,000 rpm. The engine calibration is unique to Power Wagon in order to enhance its off-road maneuverability and finesse. When driving in four-wheel-drive "Low," the throttle response softens and the idle speed increases by 100 rpm (from 650 to 750 rpm) — providing added control when ascending and descending off-road obstacles at slow speeds.
 
The legendary HEMI architecture provides the foundation of the 90-degree V-8. But its advanced technology is decidedly forward-looking. Cooled exhaust-gas recirculation (EGR) delivers greater efficiency and elevated refinement. These attributes are manifested in reduced pumping losses and lower emissions. Pumping losses are further reduced by variable-valve timing (VVT). Efficiency is a hallmark of the new 6.4-liter HEMI V-8, starting with Chrysler Group's trademark Fuel Saver cylinder-deactivation technology. When conditions allow, as in highway cruising, the system seamlessly shuts down four cylinders to conserve fuel. The engine features an active dual-runner-length intake manifold optimized specifically for the Ram Heavy Duty lineup. The result is improved low-end torque without sacrificing high-end power.
 
Efficiency is further reflected in revised positive crankcase ventilation (PCV) system, which is integrated in the intake manifold. The resulting benefit is improved oil efficiency.

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Category
자동차 - Car
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