Leyland PE166 engine


The Leyland PE166 is a single overhead camshaft Straight-six engine developed by the Rover-Triumph division of British Leyland, and was exclusively used in the Rover SD1 series of vehicles between 1977 and 1986.

Technical detail

The engine was loosely based on the older Triumph I6, and shares some internal components with that and the Dolomite Sprint engines. Both the capacity variants use a bore, with a or stroke giving capacity respectively.

Background

Following Leyland Motors' acquisition of both Standard-Triumph and the Rover Company in 1960 and 1967, a unified model policy was developed, with Rover and Triumph reorganized into the Specialist Division. Proposals were developed for replacing both the Triumph 2000 and the Rover P6 with a single product, codenamed SD1.