. In 1984, the engine was fitted with Lucas fuel injection, boosting the power to 155|hp|kW|0|abbr=on. The 3.5&nbsp;litre (3528&nbsp;cc) engine was bored out to a displacement of 3.9&nbsp;litres (3947&nbsp;cc) for the 1990 model year, and 4.2&nbsp;litre (4215&nbsp;cc) in 1992 (1993 model year ) for the 108-inch Long Wheelbase Vogue LSE (County