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  Porsche 911 ST 2.5
 

  Article Image gallery (26) 911 230 0538 Specifications  
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Country of origin:Germany
Produced from:1971 - 1972
Numbers built:24
Price new:DM 49,000
Internal name:M491
Predecessor:Porsche 911 ST 2.3
Author:Wouter Melissen
Last updated:April 18, 2016
Download: All images

Engine
Configuration 911/70 B6
Location Rear, longitudinally mounted
Construction aluminium alloy block and head
Displacement 2,492 cc / 152.1 cu in
Bore / Stroke 86.7 mm (3.4 in) / 70.4 mm (2.8 in)
Compression 10.3:1
Valvetrain 2 valves / cylinder, SOHC
Fuel feed Bosch Fuel Injection
Lubrication Dry sump
Aspiration Naturally Aspirated
Power 265 bhp / 198 KW @ 8,000 rpm
Torque 260 Nm / 192 ft lbs @ 6,300 rpm
BHP/Liter 106 bhp / liter

Drivetrain
Body steel, aluminium and fiberglass panels
Chassis unitary steel
Front suspension McPherson struts, coil springs over gas pressurised shock absorbers, anti-roll bar
Rear suspension semi-trailing arms, coil springs over gas pressurised shock absorbers, anti-roll bar
Steering rack-and-pinion
Brakes (fr/r) ATE Hydraulic, servo-assisted steel discs, 300mm (11.8 in), 2-pot caliper
Gearbox Type 915 5 speed Manual
Clutch Dry, single plate
Drive Rear wheel drive

Dimensions
Weight 960 kilo / 2,116 lbs
Length / Width / Height 4,147 mm (163.3 in) / 1,710 mm (67.3 in) / 1,320 mm (52 in)
Wheelbase / Track (fr/r) 2,271 mm (89.4 in) / 1,402 mm (55.2 in) / 1,421 mm (55.9 in)
Fuel tank 110 Litre (29.1 Gallon US / 24.2 Gallon Imperial)
Wheels (fr/r) 7 x 15 / 9 x 15
Tyres (fr/r) 4.75/10 - 15 / 4.30/11.6 - 15

Performance figures
Power to weight 0.28 bhp / kg

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  Article Image gallery (26) 911 230 0538 Specifications