and rear timing chains, the repair of the timing guides would often require complete engine removal depending on the severity of the problem. When the engine is run for an extended period of time with this issue the engine can jump timing, damaging the heads and valves. Timing chain rattle was mitigated in later years of the SOHC (in most vehicles, after 2002) with updated cassettes and tensioners. This problem occurs with varying frequency among some Ford vehicles equipped with the SOHC engine including the Ford Mustang, Ford Explorer, and Ford Ranger. The 4.0 OHV was not affected by this issue. Other versions A version of the engine is used in the Land Rover Discovery 3 / LR3 in Australia/North America and Ford Courier in Australia, producing and of torque at 3,000 rpm for the Land Rover version. The Ford Courier version produces 154 kW (209 PS; 207 hp) of power and 323 N⋅m (32.9 kg⋅m; 238 lb⋅ft) of torque. The Land Rover version of the engine became unavailable in the United States for the 2008 model year. Applications: 2001–2012 Ford Ranger 2001–2010 Mazda B4000 1997–2010 Ford Explorer/Mercury Mountaineer 2004–2006 Ford Courier 2005–2010 Ford Mustang 2005–2009 Land Rover Discovery 3 / LR3 The Land Rover version of the cast iron engine block has different motor mount castings/machined surfaces for the motor mounts and the left mount engine knock sensor, plus the engine girdle (upper oil pan) has a threaded hole drilled and tapped for an engine oil temperature sensor. Turbo and supercharging A number of companies have produced forced induction versions of the engine. Janspeed produced single and twin-turbo 2.8 and 2.9 engines. Sprintex produced 2.8 and 2.9 supercharged engines. Turbo Technics produced single and twin turbo 2.8 and 2.9 engines: 2.8 single 2.8 single 2.8 single 2.8 twin 2.9 twin 2.9 twin 2.9 twin 2.9 twin MINKER Explorer Express has also developed a series of Eaton Roots-type supercharger systems producing from of boost for the 4.0 engine. As well, Moddbox produces a kit to adapt an Eaton M90 supercharger originally from a Thunderbird Super Coupe to the 4.0 SOHC engine. A limited number of 24V BOA/BOB's have forced induction also a racing version of BOA called, BOE (naturally aspirated): 2.3 turbo was available in the 20M/Capri/Granada/OSI and produced 2.6 Turbo was available in some cars with 2.8 Turbo came later with An Eichberg 2.8i turbo was also available. Capacity