1973 Porsche 911 Carrera RSR 2.8 Technical Specifications Built At Stuttgart, Germany Price $ $22,500 Engine Flat 6 Valve Train SOHC Displacement 2806 cc / 171.2 in³ Bore 92.0 mm / 3.62 in Stroke 70.4 mm / 2.77 in Compression 10.3:1 Power 300 bhp @ 8000 rpm Specific Output 99.79...