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  Alfa Romeo 8C 2900A Botticella Spider      

  Article Image gallery (6) 412006 (ex 412004) Specifications User Comments (2)  
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Country of origin:Italy
Produced in:1936
Numbers built:6 (8C 2900As)
Successor:Alfa Romeo 8C 2900B MM Touring Spider
Author:Wouter Melissen
Last updated:October 28, 2009
Download: All images

Engine
Configuration Straight 8
Location Front, longitudinally mounted
Construction aluminium alloy block and head
Displacement 2,905 cc / 177.3 cu in
Bore / Stroke 68.0 mm (2.7 in) / 100.0 mm (3.9 in)
Compression 6.5:1
Valvetrain 2 valves / cylinder, DOHC
Fuel feed 2 Weber 42BS Carburettors
Aspiration Twin Superchargers
Power 220 bhp / 164 kW @ 5,300 rpm
BHP/Liter 76 bhp / liter

Drivetrain
Body aluminium body
Chassis steel tubular frame
Front suspension twin trailing arms, coil springs over dampers
Rear suspension swing axles, radius arms, transverse semi-elliptic leaf spring, hydraulic and friction dampers
Steering worm-and-sector
Brakes drums, all-round
Gearbox 4 speed Manual
Drive Rear wheel drive

Dimensions
Weight 850 kilo / 1,874 lbs
Wheelbase / Track (fr/r) 2,750 mm (108.3 in) / 1,350 mm (53.1 in) / 1,350 mm (53.1 in)

Performance figures
Power to weight 0.26 bhp / kg
Top Speed 230 km/h (143 mph)

Race history
Major wins
1936 Mille Miglia (Antonio Brivio / Carlo Ongaro in 412004)
1937 Mille Miglia (Carlo Maria Pintacuda / Paride Mambelli in 412004 (bis))

Resources
Suggested reading
  • Alfa Romeo Tutte le Vetture Dal 1910, by Luigi Fusi
  • The Immortal 2.9, by Simon Moore
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  Article Image gallery (6) 412006 (ex 412004) Specifications User Comments (2)