Racing
Parnelli secured the services of ex-Team Lotus designer Maurice Philippe and driver Mario Andretti for USAC racing in the early 1970s, and in 1974 decided to move into Formula One racing, with financial support from tire manufacturer Firestone. After a brief foray into Formula One at the end of the 1974 season, Vel's Parnelli Jones mounted a full campaign in 1975. Their Parnelli VPJ4 car owed much to Philippe's Lotus 72 design. It appeared for the North American races at the end of the 1974 season and was gradually developed through 1975. However, Firestone's decision to quit racing at the end of 1974 meant that a major partner was lost. Jones was unable to find a replacement title sponsor and despite improvements made to the car the team folded only three races into the 1976 season. Andretti only learned of the Formula One team's future from journalist Chris Economaki, as he sat in the car on the grid for the Long Beach Grand Prix. This led to some bad feeling between Andretti and Jones, and Andretti returned to Lotus for the remainder of the season. In total, Vel's Parnelli Jones participated in 16 Grands Prix and scored 6 championship points.
Concurrent with the Formula One venture, VPJ was developing a turbocharged version of Cosworth's legendary DFV V8 Formula One engine, building on their experience from the previous two years. It was developed at their facility in Torrance, California, under the direction of engine builder Larry Slutter and dyno engineer "Chickie" Hirashima. The car debuted at the Speedway in 1975 in a modified Indy version of the Formula One Parnelli chassis, although it was not run regularly until late in 1976. This private project was quickly adopted by Cosworth itself, and the Parnelli engine evolved into the equally legendary Cosworth DFX, an engine which would go on to win every Indianapolis 500 race and USAC/CART Championship between 1978 and 1987.
Read more about this topic: Vel's Parnelli Jones Racing
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—Barbara Ehrenreich (b. 1941)