all teg's ever made in the US have a twin cam engine....from the 1st gen to the 3rd but...there still 1.6 1.7 and 1.8's there's many honda single cam engine's better then the RS, LS and GS 1.8 models from the 94 plus teg's....but yeah all teg's R twin cam....also i agree stock celica's new and old and new mr2 r slow azz hell compare to many other car's....wonder y....does anyone know??? and I also heard toyota will discontinue the celica and mr2 is this also true....one more thing....toyota is finally going to suparcharge an engine in some years well Scion atleast 200 HP Scion TC will be supercharged...wonder of those will be any faster then a GSR?? ha LoL....just helping out the reputation of the great name of "Toyota"