Alfa Romeo 8C group S (1931)
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Home » Racing Sports Cars » Alfa Romeo 8C

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Specifications

188 units built
1931 Monza: 6 units built
1932 Monza: 4 units built
1932 2300 Figoni Roadster: 1 unit built
1932 2300 Touring Le Mans: 5 units built
1935 2900A: 5 units built
1936 2900A: 5 units built

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Click here for 2300 Touring Spider '31
Click here for 2300 Zagato
Click here for Monza '31
Click here for Monza 2.6 '33
Click here for Figoni roadster '32
Click here for Touring Le Mans '32
Click here for 2300 Brianza Le Mans Spider '34

Alfa Romeo straight 8 cyl, 4 stroke, petrol engine (info)
65 x 88 mm
2336 cc
6.6:1
155 bhp / 116 kW @ 5000 rpm, 1931 Monza: 178 bhp / 133 kW @ 5400 rpm
cast-iron block and head
5 main bearings
DOHC, 2 valves / cylinder - 16 valves total
aspiration, 1 x Roots supercharger with 1 x Memini SI 36 Carburetor
ignition magneto
water cooled

68 x 88 mm
2557 cc
6.5:1
180 bhp / 134 kW @ 5,600 rpm
DOHC
aspiration, 1 x Roots supercharger with 1 x Memini SI 36 Carburetor
wheelbase, 2650 mm (Monza)

2866 cc
180 BHP @ 4800 RPM
1 x Gear Driven Roots-Type Supercharger, 1 x Single Memini S142P Carburetor

68 x 100 mm
2905 cc
6.5:1
220 bhp (160 kW) @ 5300 rpm
DOHC
aspiration, 2 x Roots superchargers with 2 x Weber 42BS Carburettors
wheelbase, 2718 mm

5 speed manual gearbox
dry multiplate 6" clutch
final drive, 3.76/1 (49/13), 4.08/1, 4.25/1 (51/12)
pressed steel ladder frame chassis designed to flex and undulate over uneven surfaces, as well as sensitive geared-up steering, 2 door aluminium open bodyshell
front suspension, dead solid axle with semi-elliptic leaf springs, friction type shock absorbers
rear suspension, live axle with semi-elliptic leaf springs, friction type shock absorbers
mechanical drum brakes all around
worm and wheel steering
Monza 1933: Length, 3,962 mm (156")
width, 1,651 mm (65")
height, 1,200 mm (47.2")
Wheelbase 2750 mm (108.3"), Monza 1933: 2,650 mm (104.3")
Track (fr/r), 1379 mm (54.3") / 1379 mm (54.3")
steel Rudge Whitworth Center-Lock, Wire-Spoked wheels 4.75x18"
1000 kg
fuel tank, 97 lt


Results in Endurance Races

Season
Car entry, chassis number Car number/ result
Mille Miglia Brooklands Targa Florio Le Mans Tourist Trophy Brooklands
Date 12/4 9/5 10/5 14/6 22/8 3/10
Team 1600km 2x12h 584km 24h 750km 500mil
Alfa Corse (Spider Zagato) #89, acci dent #14, 1st
Alfa Corse (Spider Zagato) #104, 9th #18, 6th
Alfa Corse, 2111011 (LM) #14, acci dent #8, 2nd
Alfa Corse, 2111009 (LM) #15, eng ine in practice #7, 6th
Alfa Corse, 2111003 (LM) #9, piston
Lord E. Howe, 2111005 (LM) #16, 1st #10, acci dent
Henry Birkin, 2111002 (LM) #11, acci dent #41, dnf
Total points
41
2 15 10 14
Statistics
Starts/finishes 13/6 2/1 2/2 3/1 5/2 1/0
Drivers Team entries and car number
Alfa Corse
Luigi Arcangeli 89 18
Pietro Bonini 89
Tazio Nuvolari 104 14 9
Giovanni Battista Guidotti 104
Goffredo Zehender 18 14
Attilio Marinoni 14
Ferdinando Minoia 15
Giuseppe Campari 15 7
Baconin Borzacchini 8
Lord E. Howe
Earl Howe 16 10
Henry Birkin 16 11 41

Alfa-Romeo-8C-2300-Monza-9320.jpg Source
Monza '33
800px-Alfa_Romeo_8C_Monza_Donington_2007.jpg Source
Monza 2.6 '33
45777653022_c01ecdf4bc_b.jpg Source
MM Touring '33
6892108052_d369b5d9a3_b.jpg Source
MM Zagato '33
50r.jpg?itok=ekQe6FSV Source

Drawings

1931-A-R-8C-GranSport-blueprint-600x398.jpg Source
32069d1507715677-alfa-romeo-8c-2300-engine-model-1-4th-scale-alfa-romeo-8c-2300-chassis-jpg?s=8676ea0f380504242ab8bf7995819b8a Source
1933-alfa-romeo-8c-2300-monza-grille-drawing-historic.jpg Source
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