Porsche 917 group 5 (1969)
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Home » Racing Sports Cars » Porsche 917

1970Porsche917KGulf.jpg Source

Chassis numbers here and here

Also called Porsche 917 Lang Heck (Long tail), or Porsche 917 Kurz (Short)
Click for history here and here and here

Specifications

43 units built
Click here and here for '69 model
Click here and here and here for K
Click here for PA Spyder
Click here for LH
Click here for 917/20 "Pink Pig"

Group 4
Homologation number: 250
Homologation start: 2/5/1969

Type 912 engine, and animation here
Type 912.00, Flat V12 (180o) cyl, 4 stroke, petrol engine
4494cc, 84.0 x 66.0 mm
10.5:1
520 HP / 382 kW @ 8000 rpm, 1970: 580 HP / 428 KW @ 8400 rpm
510 Nm / 375 ft lbs @ 6600 rpm
magnesium alloy block, aluminium head with hemi combustion chamber
forged steel crankshaft with 7 main bearings
DOHC gear driven, 2 valves / cylinder - 24 valves total
aspiration: natural with Bosch Kugelfischer mechanical Fuel Injection
aircooled
dry sump

Type 912.10, Flat V12 (180o) cyl, 4 stroke, petrol engine
4907cc, 86.0 x 70.4 mm
10.5:1
600 bhp / 441 KW @ 8300 rpm
550 Nm / 404 ft lbs @ 6400 rpm
magnesium alloy block, aluminium head with hemi combustion chamber
forged steel crankshaft with 7 main bearings
DOHC gear driven, 2 valves / cylinder - 24 valves total
aspiration: natural with Bosch Kugelfischer mechanical Fuel Injection
aircooled
dry sump

Type 912.10, Flat V12 (180o) cyl, 4 stroke, petrol engine
4998cc, 86.8 x 70.4 mm
10.5:1
620 bhp / 458 KW @ 8400 rpm
570 Nm / 419 ft lbs @ 6400 rpm
magnesium alloy block, aluminium head with hemi combustion chamber
forged steel crankshaft with 7 main bearings
DOHC gear driven, 2 valves / cylinder - 24 valves total
aspiration: natural with Bosch Kugelfischer mechanical Fuel Injection
aircooled
dry sump

4 or 5 speed gearbox
plastic polyester bodyshell on steel or aluminium tubular space frame
Suspension (fr/r) unequal upper and lower arms, coil springs, Bilstein dampers
rack and pinion
ventilated discs, all-round
length, Kurz: 4120 mm, 4290 mm, LH: 4780 mm
width, Kurz: 1980 mm, LH: 1880 mm
height, 920 mm
wheelbase: 2300 mm
front track: 1564 mm
rear track: 1584 mm
wheels, front 9 x 15", rear 12 x 15"
780-800kg
Short tail
drag coefficient, 0.44
frontal area, 1.55 m2
Long tail
drag coefficient, 0.36
frontal area, 1.57 m2


Results in WSCC

Season

All entries with 912.00 engine (4.5 lt)
Car entry, chassis number Car number/ result
Dayt Sebring Brands Hatch Monza Targa Florio Spa Nurb Le Man Watkins Glen Zeltweg
Team 24h 12h 6h 1000km 1000km 1000km 24h 6h 1000km
Porsche System Engineering, 917-003 #31, spare car #62, in entry list
Porsche System Engineering, 917-004 #61, 8th
Porsche System Engineering, 917-006 (LH) #15, in entry list
Porsche System Engineering, 917-007 (LH) #14, oil leak
Porsche System Engineering, 917-008 (LH) #12, gear box
Porsche System Engineering, 917-009 #29, 1st
Porsche System Engineering, 917-010 #30, 3rd
Porsche System Engineering, 917-024 #30, eng ine #63, in entry list
John Woolfe Racing, 917-005 #10, fatal acci dent
Total points
21
3 18
Statistics
Starts/finishes 7/3 1/0 1/1 3/0 2/2
Driver Team entries and car number
Porsche System Engineering
Gerhard Mitter 30
Udo Schütz 30
Jo Siffert 31 29
Brian Redman 31 15 30
Frank Gardner 61
David Piper 61
Vic Elford 12
Richard Attwood 12 30
Rolf Stommelen 14
Kurt Ahrens, Jr 14 29
Herbert Linge 15
Rudi Lins 15
John Woolfe Racing
John Woolfe 10
Herbert Linge 10

Porsche-917-K_13.jpg Source
917 K '71
917_2.jpg Source
917 '69
4678811590_f7b64e8f69_z.jpg Source
Porsche 917/20 "Pink Pig" at Le Mans 1971
porsche-917-l-elford-ahrens-le-mans-1970-1-18-6288-p.jpg Source
Porsche Salzburg in Le Mans '70
porsche-917-l-hippie.jpg Source
Martini International Racing Team in Le Mans '70
Porsche-917-K_24.jpg Source
P3010880.jpg Source
22126985.MVC016S.JPG Source
912_crank1295110881.jpg Source
German+Autofest+Oktober+2009_+0901264238552.jpg Source
Crankshaft
1969_porsche_917k_gulf_right_front_suspension_and_brake_disc.jpg Source

Drawings

ZRad05.JPG Source
917-1b.jpg.jpg Source
Porsche_917_KURZ_cutaway_by_Shin_Yoshikawa.78213411_std.jpg Source
Porsche917KByLondonArtTech.jpg Source
917porschecutaway.jpg Source
autowp.ru_porsche_917_20__pink_pig__1.jpg Source
Porsche 917/20 "Pink Pig"
Porsche917KChassis2.jpg Source
DSC7830-600x398.jpg Source
heller_porsche_917_3view_800p.jpg Source
LH 1969
porsche-917-1970.gif Source
LH 1970
porsche_917k_le_mans_1970.jpg Source
Porsche_917K-TC0010-large.jpg Source
K 1970
porsche-917k.png Source
K 1971

Engine

917+motor1245647454.gif Source
Porsche917Motor11109163853.jpg Source
Zmotor01.JPG Source
917_11295125422.jpg Source

Brake caliper

Ate_4pistoncaliper.jpg Source

CAD

Porsche_917_K_1969_600_lq_0011.jpg Source
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