The chassis proved successful, winning the European Formula Three championship in 1975 in the hands of Australian driver Larry Perkins.

The RT3 chassis won the 1983 European F3 championship for Pierluigi Martini and five consecutive British F3 titles.

Tauranac remained involved with various aspects of the sport since departing from Ralt, including racing-school cars for Honda, a Formula Renault car, consulting work for the Arrows Formula One team, and continued relationships with Honda.

Tauranac was the design judge at the Formula SAE Australasia competition in Melbourne, Australia.

In the 2002 Australia Day Honours, Tauranac was appointed Officer of the Order of Australia for "service to motor racing, particularly through the engineering design, construction and production of Formula 1 racing cars, providing young drivers with opportunities to compete at top levels, and sharing knowledge with others for the advancement of the sport".