Rover V8
| Rover V8 | |
|---|---|
 |
|
| Overview | |
| Manufacturer |
General Motors Rover Land Rover MG TVR |
| Also called | Buick 215 V8 |
| Production | 1960–2006 |
| Chronology | |
| Predecessor | Rover 3-litre straight-six |
| Successor |
Ford Modular V8 Jaguar AJ-V8 TVR AJP8 |
The Rover V8 engine is a compact V8 internal combustion engine with aluminium cylinder heads and cylinder block, originally designed by General Motors and later re-designed and produced by Rover in the United Kingdom. It has been used in a wide range of vehicles from Rover and other manufacturers since its British debut in 1967.
The Rover V8 began life as the Buick 215, an all-aluminium engine introduced in 1960 for the 1961 US model year (it was on their drawing boards in the late 1950s). The compact, all alloy engine was light, at just 144 kg (318 lb), and capable of high power outputs: the most powerful Buick version of this engine rated 149 kW (200 hp), and the very similar Oldsmobile "Jetfire" turbocharged version made 215 hp (both numbers SAE gross). Based on sales volume and press reports, the engine was a success. Buick produced 376,799 cars with this engine in just three years. A comparable number of Oldsmobile 215 engines were produced. In addition, some Pontiac models were fitted with the Buick 215, leading to the nickname "BOP 215" for the engine (BOP standing for Buick/Oldsmobile/Pontiac). The aluminium engine was relatively expensive to produce, however, and it suffered problems with oil and coolant sealing, as well as with radiator clogging from use of antifreeze incompatible with aluminium. As a result, GM ceased production of the all-aluminium engine after 1963, although Buick retained a similar 5000cc/300cid engine (iron block and alloy heads) (1964–1980), as well as a V6 derivative (1962–2008) which proved to have a very long and successful life.
In January 1964 Rover gave American operations head J. Bruce McWilliams permission to investigate the possible purchase of an American V8 engine for Rover cars. History relates that McWilliams first saw the Buick V8 at the works of Mercury Marine, where he was discussing the sale of Rover gas turbines and diesel engines to the company (Mercury did indeed use the Land Rover 2.25-litre diesel engine in marinised form). However, it is likely that McWilliams was aware of the Buick engine before this. In any case, McWilliams realised that the lightweight Buick V8 would be ideal for smaller British cars (indeed, it weighed less than many straight-4 engines it would replace). McWilliams and William Martin-Hurst began an aggressive campaign to convince GM to sell the tooling, which they finally agreed to do in January 1965. Retiring Buick engineer Joe Turlay moved to the UK to act as a consultant.
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