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  Jaguar XJ-S TWR Group A
 

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Country of origin:Great Britain
Produced from:1982 - 1984
Numbers built:7
Author:Wouter Melissen
Last updated:October 16, 2013
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Click here to download printer friendly versionStiffer competition lined up for the next season, including the brand new BMW 635 CSi built by Schnitzer and Eggenberger, both with support from Munich and also the V8-engined Rover Vitesse that had been developed for British Leyland by none other than TWR. Throughout the year the Jaguars and BMWs raced side by side. With six victories against five, the Germans just pipped the British team. Walkinshaw himself finished second in the driver's standings behind BMW driver Dieter Quester.

Disappointed by missing out on both championships, TWR revised the XJ-S thoroughly for the 1984 season. Walkinshaw miraculously managed to convince the sport's governing body to allow him to fit the V12 with high-lift valves that had originally been developed by Cosworth for the DFV F1 engine. Cosworth also supplied new pistons. This enabled the engine to rev reliably to 7300 rpm, increasing the power to 450 bhp. Now independent, Jaguar increased its support and three cars were fielded, painted British Racing Green and sporting big Jaguar stickers.

In its new guise, the Group A XJ-S dominated the 1984 season. The TWR team took seven victories, including two 1-2-3 finishes. Among them was also a win in the Spa 24 Hours for Walkinshaw and Win Percy. This was the first '24 hour' success for Jaguar since the D-Type's last Le Mans win back in 1957. Walkinshaw was convincingly crowned champion at the end of the year. A privately entered example also took a victory in the 1985 edition of Australia's endurance classic, the Bathurst 1000, after the works-backed example dropped from the lead with an oil leak.

TWR continued to field the highly successful cars throughout the world well into 1986 but had turned its focus on an even more ambitious program; taking Jaguar back to Le Mans. Using the same V12 engine as a basis, TWR developed a range of Group C cars that would go on to win several World Championships and take two victories at Le Mans. The XJ-S Group A was a formidable racer in its own right but was also crucial in creating the fantastic TWR and Jaguar partnership that resulted in some of the two companies' biggest successes.

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  Article Image gallery (29) Chassis (2) Specifications User Comments (1)