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John Wyer (11 December 1909 in Kidderminster, England – 8 April 1989 in Scottsdale, Arizona, United States), was an English automobile racing engineer and team manager. He is mainly associated with cars running in the light blue and orange livery of his longtime sponsor Gulf Oil.
As team manager and team owner, Wyer won the 24 Hours of Le Mans several times. His first victory came in the 1959 edition, in his tenth anniversary as Aston Martin team manager, along with Roy Salvadori and Carroll Shelby, win with the DBR1. The team made their base for Le Mans at the Hotel De France from 1953 - 1975. The race cars would be tended within the courtyard and garage adjacent to the hotel before being driven to and from the circuit on the road for practice, qualifying and the race.
The team also won the 1000 km Nürburgring over three consecutive years.
In 1963 he left Aston Martin for Ford Advanced Vehicles (FAV) In 1964. After dismal results with the GT40s in their first two years, mainly dealing with reliability due to mechanical failure, the Ford GT40 programme was handed over to Holman Moody and Carroll Shelby to compete against Ferrari, with the 1966 24 Hours of Le Mans victory being the most famous, as well as 1967.
Ford closed FAV after the 1966 season, and John Wyer and John Willment formed J.W. Automotive Engineering Ltd (JWA) to take over the Slough factory and continued to build production GT40s on Ford's behalf. As Wyer was the well known team manager and present at race tracks, it was assumed that JW stands for John Wyer even though it is for John Willment, as stated by Willment's brother-in-law Hans Herrmann.
With backing from Gulf Oil and their team manager J-O Bockman, Wyer created the Ford-powered Mirage M-1, a prototype that won the 1967 1000 km Spa. Due to a rule change that came in effect for 1968, prototypes were limited to 3,000 cc, while sportscars could have 5,000 cc if at least 50 were built. This applied to the two-year-old Ford GT40s, which were modified by Wyer. As a surprise, Wyer won the World Sportscar Championship for Ford in 1968 even though the 2,200 cc Porsche 907 were considered favourites at the beginning of the season. The superior power of the 302 cubic inch (4,942 cc) V8 in the GT40s allowed them to win on fast tracks, and especially at Le Mans two years in a row from 1968 (Pedro Rodríguez and Lucien Bianchi) and 1969 (Jacky Ickx and Jackie Oliver), even though they were outclassed at twistier tracks.
When it became apparent the GT40 would become obsolete after 1969, Wyer switched to the new Porsche 917. Wyers' team became the factory's main partner and was a major factor in developing the wedge-shaped Kurzheck tail of the 1970 917K which made the car much more stable than the original 1969 version.
Battling with the works Ferrari 512s and the other Porsche teams, the JWA Gulf-Porsche 917s, raced by Jo Siffert, Brian Redman, Leo Kinnunen, Pedro Rodríguez, Richard Attwood, Herbert Mueller and Derek Bell, earned seven out of Porsche's nine victories in the 10 races of the 1970 season, and five out of Porsche's eight victories in the 11 races of the 1971 season. During this period, the team's best result at Le Mans was second place in 1971. In fiction, a Gulf-Porsche 917K won in the cult Steve McQueen movie Le Mans, making the Gulf colours even more famous.
In 1972, 5-litre sports cars like the 917s were banned, and the 3,000 cc Porsche 908 prototypes were also dropped by the factory as the new weight limit was too high, removing the 908's advantage that balanced their lack of power.
Wyer adopted the new 3.0-litre regulations and started building Gulf-Mirage prototypes again, using a Formula One Cosworth DFV engine. The successful F1-engine was considered unsuited for endurance racing as vibrations took their toll after several hours, so necessitating modifications. After three years of attempts, Jacky Ickx and Derek Bell achieved what would be Wyer's last win at Le Mans in 1975.
The following year, John Wyer retired from automotive competition and sold his team to Harley Cluxton's Grand Touring Cars operation.