Part 1 of this paper described the principles and basic design of the Rover variable valve timing system (VVC). This second part describes in detail the mechanical design which was developed to suit the particular requirements of the planned 1.8 litre version of the Rover K16 engine. The testing programme undertaken to establish durability and prove the product is covered and the performance obtained from the VVC engine is compared with the corresponding base engine which uses standard valve gear.
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