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1991, Porsche 928 S4
Engine
Engine Type: Water Cooled V8
Displacement: 4957 cc 303 cu. in.
Power: 320 hp @ 6000 rpm 239 kW @ 6000 rpm
Torque: 317 lb. ft. @ 3000 rpm 430 Nm @ 3000 rpm
Horsepower per Liter: 64.6 hp/L
Compression Ratio: 10 : 1
Valve Configuration: 4 valves per cylinder, DOHC
Bore: 99.1 mm 3.9 in
Stroke: 78.7 mm 3.1 in
Front & Rear
Wheels, Front: 7Jx16
Wheels, Rear: 8Jx16
Tires, Front: 225/50 VR
Tires, Rear: 245/45 VR
Brakes, Front: Power Assisted, Dual Circuit
Brakes, Rear: Power Assisted, Dual Circuit
Track, Front: 1551 mm 61.1 in
Track, Rear: 1546 mm 60.9 in
Chassis
Layout: Front Engined / Rear Wheel Drive
Transmission: 5 Speed Manual
Dimensions
Weight: 1580 kg 3484 lb
Power to Weight Ratio: 0.2 hp/kg 203 hp/ton 0.09 hp/lb
Length: 4520 mm 178 in
Wheelbase: 2500 mm 98.4 in
Width: 1836 mm 72.3 in
Height: 1282 mm 50.5 in
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