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Alfa Romeo 6C

 
Wikipedia: Alfa Romeo 6C
Alfa Romeo 6C
Alfa-Romeo 6C-2500-Touring.JPG
Alfa Romeo 6C 2500 Touring
Manufacturer Alfa Romeo
Production 1925–1954
Predecessor Alfa Romeo RM
Successor Alfa Romeo 1900
Class Luxury car, Sports car, Racing car
Layout FR layout
Engine(s) 1.5 L 1487 cc I6
1.7 L 1752 cc I6
1.9 L 1917 cc I6
2.3 L 2309 cc I6
2.5 L 2443 cc I6
(road cars)

The Alfa Romeo 6C name was used on road, race and sports cars made between 1925–1954 by Alfa Romeo. 6C refers to a straight 6 engine. Bodies to these cars were made by coachbuilders such as James Young, Zagato, Touring, Castagna, and Pininfarina. Starting from 1933 there was also a 6C version with a factory Alfa body, built in Portello.

Contents

6C 1500 (1925-1929)

6C 1500 Super Sport 1929 from Louwman Collection

In the mid-1920s, Alfa's RL was considered too large and heavy, so a new development began. The 2-liter formula that had lead to Alfa Romeo winning the World Championship in 1925, changed to 1,5 liter for the 1926 season. The 6C1500 was introduced in 1925 at Milan, production started 1927, with the P2 Grand Prix car as starting point. Engine capacity was now 1487 cc, against the P2's 1987 cc, while supercharging was dropped. First versions were bodied by Young and Touring.

In 1928, a 6C Sport was released, with a dual overhead camshafts engine. Its sport version won many races, including the 1928 Mille Miglia. Total production was 3000 (200 with DOHC engine). Ten copies of a supercharged (compressore, compressor) Super Sport variant were also made.

Variants:

  • 6C 1500, 44 bhp @ 4400 rpm, 109 km/h (68 mph) (1925-1929)
  • 6C 1500 Sport, 54 bhp @ 4500 rpm, 125 km/h (78 mph) (1928-1929)- 171 cars
  • 6C 1500 Super Sport compressore, 76 bhp @ 4800 rpm, 140 km/h (87 mph) (1928-1929)
  • 6C 1500 TF, 84 bhp @ 5000 rpm (1928-1929)

6C 1750 (1929-1933)

6C Gran Sport (1931)
6C 1750 GTC Touring (1931)

The more powerful 6C 1750 (1752 cc actual) was introduced in 1929 in Rome. Base model had a single overhead cam; Super Sport and Gran Sport versions had DOHC. Again, a supercharger was available. Total production was 369.

Variants:

  • 6C 1750 Turismo, 46 bhp @ 4000 rpm, 109 km/h (68 mph) (1929-1933)
  • 6C 1750 Sport/Gran Turismo, 55 bhp @ 4400 rpm, 125 km/h (78 mph) (1929-1932)
  • 6C 1750 Super Sport/Gran Sport, 64 bhp @ 4500 rpm, 130 km/h (81 mph) (1929-1932)
  • 6C 1750 Super Sport/Gran Sport compressore,85 bhp @ 4500 rpm, 144 km/h (89 mph) (1929-1932)
  • 6C 1750 Gran Turismo compressore, 80 bhp @ 4400 rpm, 135 km/h (84 mph) (1931-1932)
  • 6C 1750 Super Sport/Gran Sport/TF, 85 bhp @ 4800 rpm, 170 km/h (110 mph) (1929-1930)

6C 1900 (1933)

6C 1900 Gran Sport (1933) at Auto e Moto d'Epoca 2008.

The last derivate of original 1500 version the 6C 1900 with an 1917 cc engine was introduced in 1933, now with an aluminium head for the first time. With 68 brake horsepower this version could achieve top speed of 130 kilometres per hour (81 mph). The 1900 version is very rare as only 197 copies were made before it was replaced by 6C 2300.

Variants:

  • 6C 1900 GT, 68 bhp @ 4500 rpm, 130 km/h (81 mph)

6C 2300 (1934-1937)

6C 2300B Touring
6C 2300 Sport Cabriolet

The 6C 2300 (2309 cc) was designed by Vittorio Jano as a cheaper alternative to the 8C.

Variants:

  • 6C 2300 Turismo, 68 bhp @ 4400 rpm, 120 km/h (75 mph) (1934)
  • 6C 2300 Gran Turismo, 76 bhp @ 4400 rpm, 130 km/h (81 mph) (1934)
  • 6C 2300B Gran Turismo, 76 bhp @ 4400 rpm (1935-1937)
  • 6C 2300 Pescara, 95 bhp @ 4500 rpm, 144 km/h (89 mph) (1934)
  • 6C 2300B Pescara, 95 bhp @ 4500 rpm (1935-1937)
  • 6C 2300 B Corto/Lungo (1935)
  • 6C 2300 B Mille Miglia

6C 2500 (1938-1952)

6C 2500 Villa d'Este
6C 2500 Super Sport
6C 2500 Super Sport Corsa (1939)

Introduced in 1938, the 2500 (2443 cc) was the last 6C road car. World War II was coming and car development was stopped, but a few hundred 6C 2500s were built from 1940-1945. Postwar, the first new Alfa model was the 1946 6C 2500 Freccia d'Oro (Golden Arrow), of which 680 were built through 1951, with bodys by Alfa. It was sold to wealthy customers like King Farouk, Alì Khan, Rita Hayworth, Tyrone Power, and Prince Rainier.[1][2]

The 6C 2500 Villa d'Este was introduced in 1949 and was produced until 1952, named for the Concorso d'Eleganza held in Villa d'Este;[3] a Touring Superleggera-bodied version won the prize. Villa d'Este was Alfa's last hand built model, only 36 examples made. The last 6C was produced in 1952, and was replaced by the 1900.

Variants:

  • 6C 2500 Coloniale 90 bhp @ 4500 rpm (1939-1942), 152 produced
  • 6C 2500, 90 bhp @ 4600 rpm (1938-1949)
  • 6C 2500 Turismo
  • 6C 2500 Sport, 95 bhp @ 4600 rpm (1947-1949)
  • 6C 2500 Super Sport
  • 6C 2500 Super Sport Corsa 120 bhp @ 4750 rpm[4] (1939-1953)
  • 6C 2500 Freccia d'Oro 90 bhp @ 4600 rpm (1946-1951)
  • 6C 2500 Villa d'Este 110 bhp @ 4800 rpm (1949-1952)
  • 6C 2500 GT (1950)
  • 6C 2500 Competizione 145 bhp @ 5500 rpm (1948)

6C 3000 (1950-1954)

A 6C 3000 was prototype made in 1950, basically a 2500 with a 3L engine. It did not appear until 1952, as the Competizione Maggiorata (CM), built for racing, with a 3.5L engine, in four coupé and two spider versions.

Variants:

  • 6C 3000 (1948)
  • 6C 3000 50 (1950)
  • 6C 3000 CM (1952) 275 bhp, 250 km/h (160 mph) ("Competizione Maggiorata" for enlarged displacement)
  • 6C 3000 PR (1954) ("Passo Ridotto" for shortened wheelbase)

6C 3000 Competizione Maggiorata

The 6C 3000 CM at Goodwood Festival Of Speed 2009.

6C 3000 Competizione Maggiorata was born in 1952. The body was shaped by Carrozzeria Colli,[5][6] a coachbuilder from Milan, with some remembrances from the style introduced by 1900 Disco Volante. The propulsion system of this model comes from a project by Giuseppe Busso. It was different from his ancestor: it still used several components of the 3-liters-volume/6-cylinders system from the 6C 3000 prototype, but engine capacity was increased to 3495 cc. After several evolutions, it reached a power of 275 bhp (205 kW).

3000 CM was realised in six copies: four coupé and two spider. With the coupé model Juan Manuel Fangio and Giulio Sala got the second position at Mille Miglia, in 1953.[7] Fangio was leading the race, but a problem whit the chassis obliged him to slow down. Still with Fangio, the spider won the First Gran Premio Supercorte Maggiore in Meran, 1953; this car is shown today at Museo Storico Alfa Romeo.

One of the two spider was modified to cope with the new rules of the International Sport Category and the capacity was limited to 3-liters. This car was renamed PR, Passo Ridotto (Reduced Pace).[7] This second spider belongs to the Museo Storico Alfa Romeo’s collection.

During the sixties, at the end of the period of competitions, 6C 3000 CM was used by the Experience Department of Alfa Romeo for testing new components, one of which is the disc brake, which is still present today in this vehicle.

Notes

References

Borgeson, Griffith (1990). The Alfa Romeo Tradition. City: Haynes (Foulis) Publishing Group Ltd. Somerset, UK. ISBN 0854298754. 

External links


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