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Land Rover engine Discovery debut

5th October 1989, Page 25
5th October 1989
Page 25
Page 25, 5th October 1989 — Land Rover engine Discovery debut
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• Land Rover's long-awaited new engine saw the light of day for the first time at the Frankfurt show, when its first application — the Discovery leisure vehicle — was unveiled.

As predicted in Commercial Motor (3-9 August) the engine, codenamed Gemini and now more formally christened the 200 Tdi, is a 2.5-litre directinjection turbodiesel. Its makers speak proudly of its fuel economy, and its high power output compared with the competition.

With 83kW DIN (111hp) at 4,000rpm, and a staggering 265Nm (1951bft) at 1,80Orpm in charge-cooled form, the engine is certainly powerful; its ID! predecessor (which was not charge-cooled) produced only 63kW and 204Nm respectively.

Interestingly, the 200 Tdi retains the same bore and stroke as the IDI engine, keeping the 2,495cc capacity, but this is undoubtedly to minimise the tooling costs for the newcomer.

Another interesting technical aspect of the engine is the use of what Land Rover terms a two-spring injection system to reduce the combustion noise: this mirrors the use of twostage injection for the same reason by Perkins in its Prima two-litre DI engine, used in the Leyland Daf 200 Series.

Land Rover is remaining tight-lipped about future applications or versions of the 200 Tdi, and has given no indication of when (or if) the new power unit will be installed in its commercial vehicles.