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Porsche 917 Langheck
(1969)
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Engine :
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Flat 12 air-cooled
4,494cc
85mm / 66mm
10.5:1
520bhp @ 8,000rpm
451 Nm @ 6,800rpm
12-inch radially venilated discs with drilled aluminium hubs. Dual
circuit hydraulic system with adjustable balance. Alfred Teves aluminium
four-piston calipers
Front - 9" x 15" Read - 12" x 15" cast magnesium
alloy wheels with centre nut.
Dunlop
Length - 4,780mm
Width - 1,880mm
Height - 920mm
2,300mm
1,488mm (front) 1,475mm (rear)
13m
800kg (36.5/63.5 front/rear split)
140 Litres
45 Litres/100Km (or 6.2 miles per gallon)
320kph / 200mph
0-60 mph : 2.7 seconds 0-100mph : 5.5 secs
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Porsche 917K
(1971)
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Engine :
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Flat 12 air-cooled
4,998cc
86.8mm / 70.4mm
10.5:1
630bhp @ 8,300rpm
589 Nm @ 6,400rpm
12-inch cross drilled & vented discs with drilled aluminium hubs.
Girling aluminium four-piston calipers
Front - 10.5" or 12" x 15" Rear - 15" or 17"
x 15" five-spoke cast alloy wheels with centre nut
Firestone
Length - 4,120mm
Width - 2,080mm
Height - 940mm
2,300mm
1,582mm (front) 1,584mm (rear)
13m
800kg (36.5/63.5 front/rear split)
120 Litres
48 Litres/100Km (or 5.95 miles per gallon)
350kph / 220mph (394kph / 246mph for longtail)
0-100kph : 2.7 seconds
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Porsche 917/10
(1973)
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4,998cc and 630bhp
5,374cc and 660bhp
5,598cc and 680bhp (as fitted to the car pictured)
4,494cc Turbocharged with 850bhp
4,998cc Turbocharged with 950bhp
6.5:1
Heavily finned aluminum calipers, with 28mm internally ventilaated
& cross drilled cast-iron discs
Front : 12" Rear : ?
Length - 3,950mm
2,316mm
730Kg non-turbo
785Kg with turbo (1971)
767Kg with turbo & magnesium frame (May '72)
45Kg (mag) vs 63Kg (aluminum)
213mph
5Ltr turbo @ DM 400,000 (or £45,000) with a 911s costing £5,400
at the same time (1972)
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Porsche 917/30
(1973)
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Flat 12 turbocharged (max boost 1.5 bar)
5,374cc
90mm / 70.4mm
6.5:1
1,100bhp @ 8,000rpm
1,098 Nm @ 6,400rpm
Cross drilled and ventilated discs with drilled aluminium hubs.Porsche
aluminium four-piston calipers
Front - 12" x 15" Rear - 19" x 15" cast magnesium
alloy wheels with centre nut and air-extractor cones (hub-caps !)
Goodyear
Length - 4,562mm
Width - 2,085mm
Height - 730mm
2,500mm
1,670mm (front) 1,564mm (rear)
13m
845kg (33/67 front/rear split)
400 Litres
85 Litres/100Km (or 3.4 miles per gallon)
238mph
0-60 mph : 2.1 seconds 0-100mph : 3.9 secs 0-200mph : 13.4mph
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