Porsche 550 group S (1953)
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Home » Racing Sports Cars » Porsche 550

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Chassis numbers here and here

RS = Renn Sport = Racing

Specifications

550: 90 units built
550A: 46 units built

Source
Chassis 01 and 02: 2 door RS coupe, chassis/bodyshell design by Wiedenhausen Karosserie
Chassis 03 and 04: 2 door RS spyder, chassis/bodyshell design by Weinsberg Karosserie
Chassis 05, 06 and 08: 2 door RS spyder, chassis/bodyshell design by Weinsberg Karosserie for a sports car production
Chassis 07: 2 door RS spyder, chassis/bodyshell design by Wendler Karosserie for a sports car production
Chassis 09: 2 door RS spyder, chassis design by Weinsberg Karosserie, bodyshell design by Wendler Karosserie
Chassis 10 to 15: 2 door RS spyder, chassis design by Weinsberg Karosserie, bodyshell design by Wendler Karosserie, Le Mans works teams cars
Chassis 0016 to 0020: 2 door spyder, chassis/bodyshell design by Wendler Karosserie for a sports car production
Chassis 0021 to 0090: 2 door spyder, chassis/bodyshell design by Wendler Karosserie for a sports car production restyled by Erwin Komenda resulting lower fenders than the previous prototypes and slanted front headlights

Click here
Click here and here for Coupe Prototype '53
Click here and here for Spyder '54
Click here and here for Porsche 550A RS '56

Porsche type 528, boxer 4 cyl, 4 stroke, petrol engine
1506 cc, 80.5 x 74.0 mm
9.0:1
78 bhp / 58 kw @ 5300 rpm
88.5 ft/lbs @ 4000 rpm
magnesium crankcase, aluminium finned cylinders with nicasil coatings, aluminium alloy finned cylinderhead
JE forged aluminium high dome Pistons, cast iron rings
OHV with pushrods and rocker arms, 2 valves / cylinder, 8 valves total
aspiration, natural with 2 x Solex 40 PBIC carburetors
firing order 1-4-3-2
air cooled

Porsche type 547, boxer 4 cyl, 4 stroke, petrol engine
1498 cc, 85.0 x 66.0 mm
9.5:1
108 hp (81 kW) @ 6200 rpm
121 N⋅m (89 lb⋅ft) @ 5000 rpm
magnesium crankcase, aluminium finned cylinders with nicasil coatings, aluminium alloy finned cylinderhead
DOHC, 2 valves / cylinder, 8 valves total
aspiration, natural with 2 x Solex 40 PJJ carburetors
air cooled

1956, 550A
Porsche type 547/2, boxer 4 cyl, 4 stroke, petrol engine
1498 cc, 85.0 x 66.0 mm
9.8:1
133 bhp / 99 kW @ 7200 rpm
145 Nm / 107 ft lbs @ 5900 rpm
magnesium crankcase, aluminium finned cylinders with nicasil coatings, aluminium alloy finned cylinderhead
DOHC, 2 valves / cylinder, 8 valves total
aspiration, natural with 2 Weber Carburetors
Twin Spark
air cooled
dry sump

Porsche, boxer 4 cyl, 4 stroke, petrol engine
1098 cc, 73.0 x 66.0 mm
93 HP @ 5500 rpm
magnesium crankcase, aluminium finned cylinders with nicasil coatings, aluminium alloy finned cylinderhead
DOHC, 2 valves / cylinder, 8 valves total
aspiration, natural with 2 x Solex 40 PJJ carburetors
air cooled

4 speed Manual gearbox
rear wheel drive
steel tubular ladder frame chassis. 2 door coupe or spider bodyshell with aluminium panels
Front suspension, twin parallel arms, transverse torsion bars
Rear suspension, swing axles, torsion bars, double-acting telescopic shock absorbers
worm-and-nut steering
drum brakes, all-round
Length, 3600 mm (141.7")
Width, 1540 mm (60.6")
Height, 1050 mm (41.3")
Wheelbase, 2101 mm (82.7")
Track (fr/r), 1290 mm (50.8") / 1250 mm (49.2")
550-610 kg
drag coefficient, 0.35


Results in WSCC

Season
Car entry, chassis number Car number/ result
Sebring Mille Miglia Le Mans Spa Nurb Tourist Trophy Carrera Pan
Team 12h 1600km 24h 24h 1000km
Porsche KG, 550-01 (Coupe 528) #44, 16th #37, in entry list
Porsche KG, 550-02 (Coupe 528) #45, 15th
Porsche KG, 550-01 (Coupe 547) #154, mecha nical
Porsche KG, 550-02 (Coupe 547) #152, 32nd
Porsche KG, 550-03 (Spyder 547) #159, drive shaft
Porsche KG, 550-04 (Spyder 547) #160, acci dent
Statistics
Works Starts/finishes 6/3 2/2 4/1
Drivers Team entries and car number
Porsche KG
Helmut Glöckler 44
Hans Herrmann 44 160
Richard von Frankenberg 45
Paul Frere 45
José Sala Herrarte Ariano 152
Carlos A. Gonzalez 152
Jaroslav Juhan 154
Antonio Asturias Hall 154
Karl Kling 159

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Drawings

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1954Porsche550Spyderblueprint.jpg Source
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