Judd is a brand of racing car engines built by Engine Developments Ltd., a company founded in 1971 by John Judd and Jack Brabham in Rugby, Warwickshire, England. Engine Developments was intended to build engines for Brabham's racing efforts, and became one of the first firms authorised by Cosworth to maintain and rebuild its DFV engines, but has since expanded into various areas of motorsport.
1988 Truesports Judd AV Indy car engine
1989 Judd AV 2.65 L V8 Indy car engine
1993 Yamaha OX10A engine, a variant of the Judd GV engine
1997 Yamaha OX11C engine, a variant of the Judd JV engine
Truesports was an automobile racing team founded by Jim Trueman based in Hilliard, Ohio. The team is best known for winning the 1986 Indianapolis 500 and back-to-back CART championships in 1986 and 1987. The team won 19 points-paying Indy car races.
Jim Trueman during practice at the 1986 Indy 500
Bobby Rahal celebrates victory for Truesports at Mid-Ohio in 1985.
The Truesports March 86C driven by Bobby Rahal to the 1986 Indy 500 and CART championships
1986 Indy 500 winning car.