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Kamis, 16 Februari 2012

Lamborghini Countach 1973-1990

Another unique feature of the Lamborghini Countach development story is the fact that it had been designed around the then new Pirelli P7 tyre. Development of the latter got however behind and the new tyres would not appear before 1978. That is why the prototype and the first generation of road cars stood on rather modest 7.5x14 and 9.5x14 cast magnesium Campagnolo wheels shod with Michelin 205/70 and 215/70 respectively.The 5.0 litre V12 project was abandoned after the engine exploded during tests.
Instead Lamborghini reverted to a more reliable 4.0 litre version based on the Miura power plant. Still with four camshafts and six horizontal two barrel carburettors, the V12 delivered 375 bhp at an incredibly high 8,000 rpm and 368 lb ft of torque at 5,500 rpm. The prototype’s futuristic but very un-Lambo interior was done away with and replaced with a more traditionally styled leather-clad dashboard and seats. The first batch of Countach LP 400 produced between 1974 and 1978 number only 150 cars before the first evolution appeared in 1978 when the Pirelli P7 tyres became available. With the help of Canadian F1 racing team manager and multiple Countach owner Walter Wolf, chassis designer Dallara developed the LP 400S. The new style telephone dial wheels were covered with 205/50 at the front and ridiculously wide 345/35 Pirellis. No wonder Lamborghini clinched the title for fitting the largest tyres ever on a production road car. Needless to say the complete suspension geometry and chassis set-up needed revision. To house the oversized rubber new wheel arch extensions were created, giving the Countach finally its famous squat stance. Another novelty consisted of the optional V-shaped rear wing. While this undoubtedly enhanced the dramatic styling of the Countach on steroids, it remains debatable whether it did actually improve the Countach’ aerodynamics.

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