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1990 RS 911 Turbo In Detail submitted by Richard Owen price $ $207 058 engine Turbocharged Flat-6 valvetrain SOHC displacement 3368 cc / 205.5 in³ bore 98 mm / 3.86 in stroke 74.4 mm / 2.93 in power 432.5 kw / 580.0 bhp @ 6900 rpm specific output 172.21 bhp...