Porsche 356 group S (1948)
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SL: Sport Leicht

Registry book

Specifications

Production numbers
1948: 356/1 Roadster: 1 unit built (first official Porsche)
1948-50, Gmund Coupe 1100: 47 units built
1950-54, Coupe Reuter: 7627 units built
1951: SL Coupe: 7 units built

Click here
Click here for Porsche #1 '48
Click here for Gmund Coupe 1100 '48
Click here for Coupe Reuter '50-'54
Click here for SL Coupe '51
Click here for 1500 Coupe '52-'55
Click here for 1500 Super Coupe '52-'55
Click here for 1500 Roadster America '52-'53
Click here for 1300 Super '54 (589/2 engine)

Porsche Type 369, boxer 4 cyl, 4 stroke, petrol engine
1086 cc
7.0:1
46 bhp / 34 kW
side camshaft with overhead valves (OHV), 2 valves per cyl - 8 valves total
aspiration, natural with 2 x Solex 32 PBI Carburetors
air cooled

engine location, behind rear axle longitudinally
rear wheel drive
4 speed Manual Gearbox
1st: 3.182/1
2nd: 1.765/1
3rd: 1.227/1
4th: 0.885/1
R: 3.56/1
Final drive ratio, 4.375/1, 4.428/1
steel platform chassis frame, 2 door coupe or spider aluminium bodyshell
Front suspension, independent, transverse torsion bar, telescopic shock absorbers
Rear suspension, independent with swing axles, transverse torsion bar, telescopic shock absorbers
worm-and-nut steering
drum Brakes all-round, 280 mm drum diameter
length, 3850 mm (151.6")
width, 1660 mm (65.4")
height, coupe: 1300 mm (51.2")
wheelbase, 2100 mm (82.7")
front track, 1290 mm (50.8")
rear track, 1250 mm (49.2")
wheels, 3.25D-16"
tires, 5.00-16"
Gmund Coupe and SL: 615-635 kg
Coupe Reuter: 770 kg
fuel tank, 52 lt
drag coefficient, 0.35


Results in famous races (until 1952) and in WSCC (1953+)

Season
Car entry, chassis number Car number/ result
Mille Miglia Le Mans Dolomiti Targa Florio Tourist Trophy Carrera Pan
Date 29/4 26/6 15/7 9/9 15/9 25/11
Team 1600km 24h 300km 576km 500km 3000km
Porsche A.G., 356/2-063 (SL) #46, 20th
Porsche A.G., 356/2-054 (SL) #47, acci dent
Statistics
Works Starts/finishes 2/1 2/1
Drivers Team entries and car number
Porsche A.G.
Auguste Veuillet 46
Edmond Mouche 46
Rudolph Sauerwein 47
Robert Brunet 47

Torque specs

ENGINE
Crank case nuts 10mm………………….22 ft/lbs
Crank case nuts 8mm……………………14 ''
Cylinder head nuts………………………..22 ''
Rocker arm nuts……………………………36 ''
Flywheel bolt………………………………290 ''
Connecting rod bolt (369, 506)……….36 ''
Connecting rod bolt (546)………………25 ''
Fan nut……………………………………….72 ''

STEERING
Steering wheel nut………………………..40 ft/lbs
Pitman arm bolt……………………………50 ''

BRAKES & WHEELS
Brake backing plate bolts……………….40 ft/lbs
Wheel studs (230mm drum)……………95 ''
Wheel nut (280mm drum)………………80 ''

TRANSMISSION & REAR AXLE
Bolts & nuts for case……………………..14 ft/lbs
Ring gear bolts…………………………….43 ''
Nut on main shaft…………………………22 ''
Clamp screw for shift fork (crash)……18 ''
Clamp screw for shift fork (synchro)..22 ''
Rear axle nut……………………………..260 ''
Bolt for radius arm……………………….70 ''

PINION NUT (crash box): Tighten to 110 ft/lbs, back off and retighten to 50 ft/lbs.
PINION NUT (synchromesh): Ight to 125 ft/lbs, back off and retighten to 56 ft/lbs.

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