porsche 934Thought to be the first Porsche 934 to enter and win a race The subject of a seven-part restoration series chronicled in Classic Porsche magazine; Chassis No. 9306700154 . By 1976 Porsche had been racing the 911 for nearly ten years. Born in an era of lht regulation and constant innovation, the 911 had grown in leaps and bounds in that time.Porsche built the 934 for Group 4 GT racing. It replaced the outgoing Carrera RSR while winning GT Championships in Europe and performing very well in America