In 1989 Nissan debuted the GT-R to compete in the JTC (Japan Touring Car) Group A racing series... The GT-R was undefeated in its first season...4 years running the GT-R won the championship in the JTC Group A series, a record of 29 wins out of 29 races...Because of its dominance the Skyline was given its own series in 1994 the JGTC, (Japan GT car) series....In 1991 Nurburgring 24 hour endurance race (First participation) Skyline GT-R won the Group N class. At the Spa Francorchamps 24 hour endurance race 1991 the GT-R won overall beating Group A, and Group N1 cars.... From 1991 -1997 the Skyline was undefeated in N1 endurance racing in Japan, winning 50 times. Hence earning the nickname Godzilla...and that basically is how the term GodZilla was born...The R32 started it and the R34 confirmed it...