The LH engine was a series of V6 engines developed by Chrysler Corporation for its LH platform cars. It is a 60-degree V6 designed for front-wheel drive applications, later adapted to rear-wheel drive ones. The 2.7 liter LH engine is based on the SOHC 3.5 L engine, though bore spacing, cylinder bore, stroke, and assembly site are different. 2.7 L The EER version debuted in 1998 and is built in Kenosha, Wisconsin. It is a DOHC 24-valve design. Bore and stroke is . It is an aluminum block with cast-iron cylinder liners and aluminum heads. Output has varied depending on the application but typical was at 5800 rpm with of torque at 4850 rpm. In terms of emissions, this was a TLEV engine; it runs on regular-octane (87) gasoline. Compression when launched in 1998 was 9.7:1 (increased to 9.9:1 in the LX cars). Redline occurred at 6,464 rpm, originally; and at 6,600 rpm as revised for the LX. The 24 valves are actuated by hydraulic end-pivot roller followers and hydraulic lifters. Fuel injection was sequential for six ports for all engines. The 2.7 differed from the 3.5 liter engine from which it was derived in many ways. The Magnum version featured a variable intake system to create a supercharging effect at different engine speeds. A three-row chain replaced the timing belt of the 3.5 liter engine, and the 2.7 in the LX also has electronic throttle control and an enhancement to the intake manifold (described in greater detail below), the former to allow for the use of electronic stability control. In 2004, the 2.7 liter engine was adapted for use in the LX series of cars, dropping peak power to at 6400 rpm and of torque at 4,000 rpm; but increasing torque at launch and during mid-range operation for everyday driving. Chrysler claimed that part-throttle torque was increased by up to 10% in the primary driving range, 2100–3400 rpm. Horsepower again dropped in 2009 on the LX cars to on the Chrysler 300 and Charger, but remains at 189 for the Chrysler Sebring. 1998–2001 Chrysler 300M (Europe) 1998–2004 Chrysler Concorde 1998–2004 Dodge Intrepid/Chrysler Intrepid 2001–2006 Dodge Stratus sedan 2001–2010 Chrysler Sebring convertible and sedan 2005–2008 Dodge Magnum SE 2005–2010 Chrysler 300 2006–2010 Dodge Charger SE (Initially, only fleet models received the 2.7 L in 2006) 2008–2010 Dodge Avenger 2009–2010 Dodge Journey (non-US markets) Oil sludge and other known problems Buildup