sentences:  In 1990 a 3.9 L version of the engine was fitted and that used the Lucas 14CUX fuel injection system.In 1996, the Rover 4.6 L engine became an option, still using the Lucas fuel injection system.From 2000, all Morgan Plus 8s were fueled by the GEMS system as used on the Range Rover P38a between 1994 and 1999.