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XJ Series 1, Series 2 and Series 3, XJC
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class j xj series 1 series 2 and series 3 xjcIn 1968 the new Series 1 Jaguar XJ6 was launched with a choice of 2.8 (142bhp) or 4.2 litre (245bhp) XK engines, E-Type rear suspension and a top speed of 117/124mph. It was a keynote car, the most significant new Jaguar since the XK120 and the Mark VII. It was based on well established Jaguar practice and became a modern day classic with this series of Jaguars’ having a 24-year production life.

In 1972 a long wheel base version was launched with the new 5.3 litre V12 (269bhp) and this led many to proclaim this V12 Jaguar ‘the Best Car in the World’. The power (top speed 139 mph), smoothness, strength and safety were just some of its qualities. Road holding and driver/ passenger comfort set new standards of excellence. The long wheel option was soon extended to the XJ6 and called the XJ6L.

The revised XJ Series 2 of 1973 had many subtle mechanical, external and interior changes. In 1975 the 4.2 was joined by a 3.4 litre version. For some time Sir William Lyons and his team of designers and engineers had been contemplating the viability of a two-door coupe version. A Series 1 prototype somehow found its way to Australia and at least one Series 2 prototype is also here.

Finally in 1975 the car was released with either the 4.2 (XJ6C) or the 5.3 (XJ12C) V12 engine. After just two years production was halted. The XJC had become one of the rarest production Jaguars ever made and fast becoming a real collection piece with the 5.3 commanding a large premium.

To improve fuel consumption fuel injection was introduced on the V12 engine in 1975 and the 4.2 engine in 1979 in the Series 3. The XJ Series 3 was launched in 1979 with a slightly redesigned body (Pininfarina was consulted on the appearance) and with a choice of 3.4, 4.2 and 5.3 litre engines. The 3.4 engine remained on carburettors. The V12 engine was further developed and fitted with new cylinder heads designed by Michael May under Walter Hassan’s supervision to reduce fuel usage (reduced from 22.6L/100km to 18.2L/100km) and emissions. The revised V12 was known as HE for high efficiency. This version of the Series 3 continued in production along side the all new XJ6 (XJ40) until 1992.