The Porsche 934, first launched in 1976, was the Group 4 GT race model of the Typ 930 Turbo street automobile. Group 4 in 1976 guidelines insisted that 4 hundred 930 Turbo street/avenue automobiles will need to have been produced in two consecutive mannequin years. That is what the Porsche manufacturing unit had finished in 1975 and 1976.
The 934 ran a 3-liter turbocharged engine, and its minimal weight class of 1,120 kilograms (2,470 lbs) introduced it into the class of a naturally aspirated automobile of between 4.0 and 4.5-liters. This meant that weight needed to be added to the 934, in addition to it having to make use of the identical rear spoiler because the manufacturing 930. This rear spoiler had an air-con air inlet for the unit used on the conventional turbo street automobile. This was now used to duct air to the transmission oil cooler and the turbocharger.
The 934 ran Okay-Jetronic gas injection, an mechanically-operated system that was troublesome to switch for observe use. The burden of the automobile, plus it’s solely being allowed to run a single turbocharger, made it a troublesome automobile to drive to the restrict on the observe, the motive force having to maintain the increase stress up and never let it fall off while he was braking on nook entry. The one manner to do that was by left foot braking, and drivers quickly grew to become adept at this observe.
Images by Tim Scott courtesy of RM Sotheby’s