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. IndyCar champions Indianapolis 500 victories Complete Formula One results (key) Non-Championship results (key) References Lyons, P. 2007. Keeping up with the Jones. Motor Sport. LXXXIII/1 (January 2007), 52-59 External links VPJ Racing Collection Website Parnelli Formula One entrants American auto racing teams American racecar constructors 1969 establishments in the United States