Porsche 917

Technical details

PORSCHE 917
Engine 4,5 litres
Type: 12 cylinder flat
Position: central longitudinal mounted
Cylinder head: aluminium alloy
Piston: chromium plated
Connecting rod forged titanium
Weight: 260 kg
Crankshaft bearings : 8
Engine capacity: 4494 cc
Bore & Stroke: 85mm x 66mm
Compression ratio: 10,5 :1
Distribution: 2 overhead chamshaft driven by cluster gears ,two valves/cyl.
Fuel feeding: direct injection Bosch, 3 electric pumps
Max.Power: 520 Hp at 8300 rpm
Max.power torque: 50 kgm at 6800 rpm
Lubrication: dry carter
Lubricant circuit capacity 20 litres
Cooling: forced air cooled by one fan
Ignition: transistor ignition Bosch
Ignition sequence: 1-9-5-12-3-8-6-10-2-7-4-11
Electric system: 12 volt
   
Transmission:
Traction: Rear-wheel drive
Gearbox: 4 or 5 speed + reverse gear
Differential: limited slip type
Lubrication circuit capacity : 3,5 litres
Clutch: dry, multiple disc
   
Suspension
Front: Indipendent, double wishbone with Bilstein shock absorbers , coil springs
Rear: Indipendent, double wishbone with Bilstein shock absorbers , coil springs
Brake: ventilated discs all round, double brake circuit, circuit capacity 0,6 liter, aluminium alloy Teves calipers at 4 pumping
Front tyres: Dunlop 4,25/10.20-15 mounted on light alloy rims to 10,5"
Rear tyres: Dunlop 12.5/26-15 mounted on light alloy rims to 15"
   
Chassis: light alloy tubolar
Body fiberglass reinforced with polyester resin
Fuel tank: 140 litres
   
Car size
Weight: 800 kg
Wheelbase: 2300 mm
Lenght: 4290 mm
Track width: 1488 mm front, 1457 mm rear
Height: 920mm
Height from earth 100 mm
   
   
917 K engine, 4907 cc
   
Type: 12 cylinder flat
Position: central longitudinal mounted
Cylinder head: aluminium alloy
Piston: chromium plated
Connecting rod: forged titanium
Weight: 260 kg
Crankshaft bearings : 8
Engine capacity: 4907 cc
Bore & Stroke: 86 x 70,2 mm
Compression ratio: 10,5 :1
Distribution: 2 overhead chamshaft driven by cluster gears ,two valves/cyl.
Fuel feeding: direct injection Bosch, 3 electric pumps
Max.Power: 580 Hp at 8000 rpm
Max.power torque: 54 kgm at 6800 rpm
Lubrification: dry carter
Cooling: forced air cooled by one fan
Ignition: transistor ignition Bosch
Ignition sequence: 1-9-5-12-3-8-6-10-2-7-4-11
Electric system: 12 volt
   
Transmission:
Traction: Rear-wheel drive
Gearbox: 4 speed + reverse gear
Differential: limited slip type
Clutch: dry, multiple disc
   
Suspension
Front: Indipendent, double wishbone with Bilstein shock absorbers , coil springs
Rear: Indipendent, double wishbone with Bilstein shock absorbers , coil springs
Brake: ventilated discs all round, double brake circuit, circuit capacity 0,6 liter, aluminium alloy Teves calipers at 4 pumping
   
Chassis: light alloy tubolar
Body fiberglass reinforced with polyester resin
Fuel tank: 120 litres
   
Car size
Weight: 800 kg
Wheelbase: 2300 mm
Lenght: 4120 mm
Track width: 1582 mm front, 1584 mm rear
Height: 940 mm
Height from earth 100 mm
   
   
Engine 4998 cc
Same characteristics of engine 4907cc, except:
   
Engine capacity: 4998 cc
Bore & Stroke: 86,8 x 70,2 mm
Max.Power: 630 Hp at 8.300rpm
Max.power torque: 65 kgm at 6800 rpm

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