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Porsche 911 S 2.7 (1974 – 1977) – Specifications & Performance

1974 – 1977 Porsche 911 S 2.7 Technical Specifications

Body Type 2+2 seater fixed-head coupé
Number Of Doors 2
Wheelbase 2268 mm / 89.3 inches
Track/tread (Front) 1371 mm / 54 inches
Track/tread (Rear) 1359 mm / 53.5 inches
Length 4290 mm / 168.9 inches
Width 1610 mm / 63.4 inches
Height 1320 mm / 52 inches
Ground Clearance
Length:wheelbase Ratio 1.89
Kerb Weight 1080 kg / 2381 lbs
Fuel Tank Capacity 80 litres
Engine Type naturally aspirated petrol
Engine Manufacturer Porsche
Cylinders Flat 6
Capacity 2.7 litre / 2687 cc / (163.971 cu in)
Bore × Stroke 90 × 70.4 mm / 3.54 × 2.77 in
Valve Gear
single overhead camshaft (SOHC), 2 valves per cylinder , 12 valves in total
Maximum Power Output 173 bhp @ 5800 rpm
Specific Output 64.4 bhp/litre, 1.06 bhp/cu in
Maximum Torque 173 ft lbs @ 4000 rpm
Specific Torque 87.46 Nm/litre, 1.06 ft·lb/cu3
Engine Construction
Sump dry sumped
Compression Ratio 8.5:1
Fuel System Bosch K-Jetronic fuel injection
Bmep (Brake Mean Effective Pressure) 1099 kPa (159.4 psi)
Maximum Rpm
Crankshaft Bearings 8
Engine Coolant Air
Unitary Capacity 447.83 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic Converter N
Performance
Acceleration 0-80km/h (50mph) 5.2 s
Acceleration 0-60mph 6.5 s
Acceleration 0-100km/h 7 s
Acceleration 0-160km/h (100mph)
Standing Quarter-mile 14.8 s
Standing Kilometre 27.7 s
Maximum Speed 229 km/h (142 mph)
Engine Position rear
Engine Layout longitudinal
Drive Wheels rear wheel drive
Torque Split N/A
Steering rack & pinion
Turns Lock-to-lock
Turning Circle
Front Suspension I.TB.
Rear Suspension I.TB.
Wheel Size Front 6J x 15
Wheel Size Rear 6J x 15
Tyres Front 185/70 VR 15
Tyres Rear 185/70 VR 15
Brakes F/r VeDi/VeDi
Front Brake Diameter 283 mm
Rear Brake Diameter 290 mm
Gearbox 5 speed manual
Top Gear Ratio 0.72
Final Drive Ratio 4.43

 

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