2007–2008 Jeep Grand Cherokee 2007–2008 Dodge Dakota 2007–2008 Dodge Ram 1500/Ram 1500 2008 Revisions The 2008 Dodge Dakota and Ram pickup trucks, Dodge Durango and Chrysler Aspen SUV's, Jeep Grand Cherokee, and Jeep Commander came with a Corsair version of the FFV 4.7 L engine, with dual spark plugs per cylinder, a new slant / squish combustion system design, and 9.8:1 compression, raising power to and of torque. The 2008 4.7 also features other upgrades including a more aggressive camshaft profile, a throttle body, and an improved intake manifold with shorter runners. See Allpar's page on the latest 4.7 L. 3.7 EKG The EKG is a 3.7 L V6 version built in Detroit, Michigan. It displaces . The bore and stroke measure . It is a 90° V engine like the V8, with SOHC 2-valve heads. It utilizes a counter-rotating balance shaft mounted between the cylinder banks to deal with vibration problems of the 90-degree V6 design, as well as use a 30-degree split pin crankshaft to fire the cylinders every 120 degrees. Output is at 5200 rpm with of torque at 4000 rpm. It has a cast iron engine block and aluminum SOHC cylinder heads. It uses Sequential fuel injection, has roller followers, and features fracture-split forged powder metal connecting rods and an assembled reinforced plastic intake manifold. The Chrysler 3.7 PowerTech engine used in the 2007 - 2012 Jeep Liberty KK used a wasted spark ignition system that uses one ignition coil to fire two cylinders. Applications 2002–2010 Dodge Ram 1500 2011-2012 Ram 1500 2004–2011 Dodge Dakota 2004–2009 Dodge Durango 2007–2011 Dodge Nitro 2002–2012 Jeep Liberty 2005–2010 Jeep Grand Cherokee 2006–2010 Jeep Commander 2006–2010 Mitsubishi Raider 2002 Dodge M80 References External links Allpar's page on the 3.7L Allpar's page on the latest 4.7L 3.7L V6 PowerTech Engine: Specs, Problems, Reliability PowerTech V6 engines V8 engines Gasoline engines by model