Porsche 934 group 4 (1976)
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Chassis registry

Specifications

31 units built
Click here and here and here

Homologation number: 645
Homologation start: 1/1/1976

Porsche 930/71, boxer 6 (180o) cyl, 4 stroke, petrol engine
2993cc, 95.0 x 70.4 mm
6.5:1
362 kw / 485 bhp @ 7000 rpm, 1977+: 530 HP @ 7000 rpm
588 Nm / 434 ft lbs @ 5400 rpm, 1977+: 629 Nm / 464 ft lbs @ 5400 rpm
magnesium alloy block, aluminium alloy heads
forged steel crankshaft with 8 plain main bearings 60mm diameter, 53mm big end journal diameter
titanium connecting rods, 127.8mm distance center to center, 56mm big end bearing diameter
SOHC, 2 valves / cylinder - 12 valves total. 49mm inlet valve diameter, 41.5mm exhaust valve diameter
aspiration, 1 x KKK K33 turbocharger with Bosch K-Jetronic CIS fuel Injection, 1977+: 1 x KKK K36 turbocharger
pressure, 1.35 bar
aircooled

5 speed manual gearbox
gear ratios: 3.18:1, 1.83:1, 1.26:1, 0.925:1, 0.724:1
final drive 4.43/1
dry single plate clutch
Unit Steel chassis with Some Fiberglass Panels
Front suspension, McPherson struts, lower wishbones, longitudinal torsion bars, Bilstein shock absorbers, anti-roll bar
Rear suspension, semi-trailing arms, torsion-bar springs, coil springs, shock absorbers, anti-roll bar
Rack & Pinion steering
Ventilated Discs all around
length 4290 mm / 168.9 in
width 1870 mm / 73.6 in
height 1300 mm / 51.2 in
wheelbase 2270 mm / 89.4 in
front track 1481 mm / 58.3 in
rear track 1506 mm / 59.3 in
wheels, BBS Center-Lock, front 10.5x16", rear 12.5x16"
tires, Dunlop front 23.0 - 16", rear 25.0 - 16"
weight, 1120 kg
fuel tank, 120 lt


Results in WSCC

Season
Group 4 classification is noted in brackets
Car entry Car number/ result
Mugello Valle lunga Silver stone Nurb Zeltweg Watkins Glen Dijon
Team 6h 6h 6h 1000km 6h 6h 6h
GVEA, 930 670 0171 #5, 5th (1st)
Porsche Kremer Racing, 930 670 0158 #7, 8th (1st)
Egon Evertz K.G., 930 670 0155 #7, 3rd (1st) #7, eng ine
Egon Evertz K.G., 930 670 0163 #25, 25th (1st) #23, acci dent #4, 11th (2nd)
Louis Meznarie, 930 670 0164 #8, in entry list #8, trans mission #15, fire
Scuderia Brescia Corse, 930 670 0169 #9, 7th (3rd) #9, 7th (2nd) #49, acci dent
Jolly Club, 930 670 0157 #14, clutch #12, 5th (1st)
Gelo Racing, 930 670 0175 #18, 6th (2nd) #21, in entry list*
Gelo Racing, 930 670 0159 #19, turbo #22, acci dent*
Jägermeister Max Moritz Team, 930 670 0167 #24, 10th (3rd)
Jägermeister Max Moritz Team, 930 670 0168 #25, 3rd (1st)
Valvoline Deutschland, 930 670 0160 #26, 6th (2nd)
Automobil-Club 1927 Mayen e.V. im ADAC #27, 19th (5th)
Klaus Drees/ Wolfgang Kauwertz, 930 670 0540 #28, 16th (4th)
Holbert/Dickinson, 930 670 0173 #14, 16th (6th)
Vasek Polak Racing, 930 670 0174 #16, spare car
Vasek Polak Racing #16T, 11th (2nd)
Paul Miller/ Kenper Miller, 930 670 0152 #36, 13th (3rd)
Henri Cachia, 930 670 0177 #61, 11th (2nd)
Total points
57
17 10 6 13 8 3
Statistics
Works Starts/finishes 25/18 4/3 4/2 2/1 7/5 2/2 3/3 3/2
Driver Team entries and car number
GVEA
Claude Haldi 5
Peter Zbinden 5
Porsche Kremer Racing
Jürgen Barth 7
Reinhold Jöst 7
Bob Wollek 7
Egon Evertz K.G.
Leo Kinnunen 7 7
Egon Evertz 7 7 23
Lella Lombardi 25 23
Heinz Martin 25 23
Dieter Schmid 4
Karl Oppitzhauser 4
Louis Meznarie
Hubert Striebig 8 8 15
Anny-Charlotte Verney 8 8 15
Guy Chasseuil 15
Scuderia Brescia Corse
Gabriele Gottifredi 9 9 49
Angelino Lepri 9 49
Girolamo Capra 9 9 49
Ruggero Parpinelli 9
Jolly Club
Giorgio Schön 14 12
Giuseppe Bianco 14 12
Giorgio Gargano 14
Luigi Tommasi 12
Gelo Racing / Tebernum Racing Georg Loos KG
Tim Schenken 18 21
Rolf Stommelen 18
Toine Hezemans 19 21
Clemens Schickentanz 19 22
Herbert Müller 22
Jägermeister Max Moritz Team
Helmut Kelleners 24, 25
Reinhardt Stenzel 24, 25
Derek Bell 24, 25
Günter Steckkönig 24
Valvoline Deutschland
Helmut Bross 26
Eberhard Sindel 26
Automobil-Club 1927 Mayen e.V. im ADAC
Franz-Josef Rieder 27
Horst Hoier 27
Holbert/Dickinson
Al Holbert 14
Jim Busby 14
Vasek Polak Racing
George Follmer 16, 16T
John Morton 16T
Henri Cachia
Claude Ballot-Léna 61
Jacques Borras 61

*Tebernum Racing Georg Loos KG entry


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Drawings

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