Jaguar's V12 was one of the premiere powerplants of the 1970s and 1980s. It was a V12 piston engine, originally designed for a Le Mans car, the ill-fated Jaguar XJ13 . The V12 was only Jaguar's second engine design in the history of the company. It had a SOHC 2-valve head with flat combustion chambers.
5.3
The original 5.3 L (5343 cc) version had an undersquare 90mm bore and 70mm stroke and produced 240kW and 420Nm.
This version was used in the following cars:
5.3 HE
A High-Efficiency 5.3 HE debuted in 1982. Although power was down somewhat, fuel economy was up by nearly 50%.
The 5.3 HE was used in these cars:
6.0 HE
The engine was stroked to 78.5mm in 1989 for a displacement of 6.0 L (5994 cc) to bring back some of the power lost to emissions requirements.
The 6.0 HE was used in the following cars:
See also
