Maintenance, repair, upgrades & parts for all Land Rover models

 

 

 

 

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4.4 litre (Jaguar) Petrol engines

In 2006 for the Range Rover Sport, Land Rover wanted to reduce dependency on BMW for engines and changed to the Ford/Jaguar-derived aluminium 90 degree DOHC V8 with 4 valves per cylinder. This delivered 300 bhp @ 5500 rpm. Torque was 315 lb ft @ 4,000 rpm Engine Management was sequential multiport fuel injection, with mass airflow sensor. Ignition System was distributor-less with 4 knock sensors, dual mode electronic throttle, engine drag torque control, one touch starting.

In the performance graph below, the lower line is the "first run" prior to tuning. The upper line shows the significant increase in power achieved using the dynamometer as a measurement tool by the Graeme Cooper engineers.

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