The Alfa Romeo 158/159, also known as the Alfetta (Little Alfa in Italian[1]), is a Grand Prix racing car produced by Italian manufacturer Alfa Romeo. It is one of the most successful racing cars ever; the 158 and its derivative, the 159, took 47 wins from 54 Grands Prix entered.[2] It was originally developed for the pre-World War II voiturette formula (1937) and has a 1.5-litre straight-8 supercharged engine. Following World War II, the car was eligible for the new Formula One introduced in 1947. In the hands of drivers such as Nino Farina, Juan Manuel Fangio and Luigi Fagioli, it dominated the first two seasons of the World Championship of Drivers.
The first version of this successful racing car, the 158, was made during 1937/1938. The main responsibility for engineering was given to Gioacchino Colombo.[3]
The car's name refers to its 1.5-litre engine and eight cylinders.[4] The voiturette class was for racing cars with 1.5-litre engines, standing in the same relation to the top 'Grand Prix' formula (usually for 3-litre engines) as the Formula Two does to Formula One today. Alfa's 3-litre racing cars in 1938 and 1939 were the Tipo 308, 312 and 316.
Alfa Romeo 158
The 158 debuted with the works Alfa Corse team at the Coppa Ciano Junior in August 1938 at Livorno, Italy, where Emilio Villoresi took the car's first victory. At that time the 1479.56 cc (58.0 x 70.0mm) engine produced around 200bhp (150kW) at 7000rpm.[5] with the help of a single-stage Roots blower. More success came at the Coppa Acerbo, Coppa Ciano and Tripoli Grand Prix in May 1940.[6] Soon World War II stopped development of the car for six years. After the war the engine was developed further to push out 254bhp (189kW) in 1946.
In 1947, the Alfetta was put back into service. The new rules allowed 1500cc supercharged and 4500cc naturally aspirated engines. The 158 was modified again, this time to produce over 300bhp (220kW) and was denoted as Tipo 158/47. The car made a tragic debut in the 1948 Swiss Grand Prix where Achille Varzi lost control of his car and was killed. Another loss for the team came in practice for the 1949 Buenos Aires Grand Prix, where Jean-Pierre Wimille was killed in an accident (driving with Simca-Gordini).[7]
In 1950, the 158 was eligible for the new World Championship of Drivers. The car won every race in which it competed during that first season of Formula One; it was incredible that a car which had originated in 1938 was so victorious, most likely because all the other constructors (as few as there were) had less money to build and develop their cars and the Alfa had so much development time. The Alfa Romeo team included talented drivers such as Giuseppe "Nino" Farina and Juan Manuel Fangio, the latter of whom later won the World Drivers' Championship five times.
At the end of the 1950 season, a further updated version known as the 159 was produced, which was used for the 1951 season. This version had reworked rear suspension, the old swing axle was replaced with a De-Dion axle and the engine produced around 420bhp (313kW) at 9600 rpm. The 159 had top speed of 305 kilometres per hour (190mph) and it weighed 710 kilograms (1,570lb).[8] In order to achieve this power however, the simplistically designed engine was fitted with larger superchargers over time. This fact, combined with the rich mixture required to burn methanol in the engine resulted in extremely poor fuel economy - the 159 achieved 1.5 miles per imperial gallon (190 litres per 100 kilometres; 1.2 miles per US gallon),[9] compared to the Talbot-Lagos of the time, which delivered 9 miles per imperial gallon (31 litres per 100 kilometres; 7.5 miles per US gallon).[10] The 1951 British Grand Prix at Silverstone was the first Formula One Grand Prix not won by an Alfa primarily because Fangio and Farina both had to stop twice simply to re-fuel their cars – and the Ferrari of José Froilán González did better on fuel and would go on to win the race, with Fangio second. Still, the Alfa had the edge on performance and with wins in Switzerland, France and Spain, Fangio won his first of five championships that year. For their second-to-last World Championship race (until 1979), the Italian Grand Prix at Monza, Alfa Romeo introduced a new evolution version known as the 159M, the "M" standing for Maggiorata ("enlarged").[11]
After an unsuccessful bid by Alfa Romeo to obtain government assistance to meet development costs, the team announced their retirement from Grand Prix racing at the end of 1951 (leaving the development of the 2.5-litre Alfa Romeo 160).[12] This, combined with problems for other Formula One teams lead to a decree by the FIA that all Grand Prix races counting towards the World Championship of Drivers in 1952 and 1953 would be for cars complying with Formula Two rather than Formula One.[12]
The car's last Grand Prix win came in 1953 at Merano Grand Prix, Italy.[4]
The 158/159 Alfetta remains one of the most successful cars in the history of Formula One, having won every race it entered in 1950, and winning 4 out of 7 races (with a podium in all of the other 3) in 1951.
Emilio Giuseppe "Nino" Farina, often known by the name Giuseppe Antonio Farina, was an Italian racing driver. He was the Italian National Champion in 1937, 1938, and 1939, and in 1950 became the first World Drivers' Champion during the FIA's inaugural season of Formula One.
The 1951 Formula One season was the fifth season of FIA Formula One motor racing. It featured the 1951 World Championship of Drivers, which commenced on 27 May 1951 and ended on 28 October after eight races. The season also included 14 races open to Formula One cars but did not count towards the championship standings.
Gioacchino Colombo was an Italian automobile engine designer.
Luigi Cristiano Fagioli, nicknamed "the Abruzzi robber", was an Italian motor racing driver. Having won his last race at 53 years old, Fagioli holds the record for the oldest Formula One driver to win a race. He is also the only Formula One Grand Prix winner born in the 19th century, and the only Grand Prix racing driver to have won a championship race in both the AIACR European Championship and the World Drivers' Championship.
The Coppa Acerbo was an automobile race held in Italy, named after Tito Acerbo, the brother of Giacomo Acerbo, a prominent fascist politician. Following Italy's defeat in World War II, and the consequent demise of fascism, the race was renamed the Circuito di Pescara, and in some years was also referred to as the Pescara Grand Prix and 12 Hours of Pescara. The race was run between 1924 and 1961 and over the years was held to a variety of vehicle class regulations and durations. In 1957 the Pescara Grand Prix formed a round of the Formula One World Championship, a race which still holds the record as having the longest circuit length ever used for a Championship event.
Luigi Villoresi was an Italian Grand Prix motor racing driver who started racing in Formula One at the time of its inception.
Clemente Biondetti was an Italian auto racing driver. Born into a working-class family, Biondetti raced motorcycles before turning to automobiles where he had greater success.
The 1936 Grand Prix season was the third year of the 750 kg Formula. The next iteration of the Mercedes-Benz did not prove successful and the team withdrew during the season to instead prepare for the next one. It therefore fell to the resurgent Auto Union team to dominate the racing. In particular, it was their young, new superstar, Bernd Rosemeyer, who mastered the tricky car and who showed superlative skill in wet conditions. Rosemeyer easily won this season's European Championship by winning three of the four Grands Prix.
During its history, Alfa Romeo has competed successfully in many different categories of motorsport, including Grand Prix motor racing, Formula One, sportscar racing, touring car racing and rallies. They have competed both as a constructor and an engine supplier, via works entries and private entries. The first racing car was made in 1913, three years after the foundation of A.L.F.A., the 40/60 HP had 6-litre straight-4 engine. Alfa Romeo quickly gained a good name in motorsport and gave a sporty image to the whole marque.
The 1935 Grand Prix season was the second year of the new 750 kg Formula. The success of the previous year encouraged the AIACR to reinitiate the European Championship. It was composed of the seven national Grands Prix and was won by Rudolf Caracciola, driving for the Mercedes-Benz team. The team dominated the season winning five of those Grand Épreuves, as well as four of the other major races of the season. However, in one of the great motor-races in sporting history, Tazio Nuvolari in a Scuderia Ferrari Alfa Romeo beat the combined numbers of the German teams in their home Grand Prix. The season also saw the arrival on the international stage of the bright young talent Bernd Rosemeyer in the Auto Union team.
The 1931 Grand Prix season was a watershed year, with the advent of the AIACR European Championship. After several years of Grand Prix racing in the doldrums with little technical development, 1931 saw new models come from all three main manufacturers: Bugatti, Maserati and Alfa Romeo.
The Maserati 4CL and its derived sister model the Maserati 4CLT are single-seat open-wheel Grand Prix racing cars that were designed and built by Maserati. The 4CL was introduced at the beginning of the 1939 season, as a rival to the Alfa Romeo 158 and various ERA models in the voiturette class of international Grand Prix motor racing. Although racing ceased during World War II, the 4CL was one of the front running models at the resumption of racing in the late 1940s. Experiments with two-stage supercharging and tubular chassis construction eventually led to the introduction of the revised 4CLT model in 1948. The 4CLT was steadily upgraded and updated over the following two years, resulting in the ultimate 4CLT/50 model, introduced for the inaugural year of the Formula One World Championship in 1950. In the immediate post-war period, and the first two years of the Formula One category, the 4CLT was the car of choice for many privateer entrants, leading to numerous examples being involved in most races during this period.
The 1932 Grand Prix season marked the second year of the AIACR European Championship. It saw the debut of Alfa Romeo's sensational new Tipo B and with it, Tazio Nuvolari won the Championship driving for the Alfa Corse works team. The 40-year old Nuvolari won two of the three rounds and was second in the other. Still running to a Formula Libre rules for the cars, the regulations were revised to set the races to be between five and ten hours. However, all three national committees ran their races to the minimum time-limit.
The Alfa Romeo Tipo 308 or 8C-308 is a Grand Prix racing car made for the 3 litre class in 1938. Only four cars were produced, actually modified from Tipo C with the engine mounted lower into the chassis and a slimmer body. The chassis was derived from the Tipo C and the engine from the 8C 2900. The 308 was engineered by Gioacchino Colombo under the control of Enzo Ferrari who was then in charge of Alfa's racing team, Alfa Corse. The car debuted at the Pau Grand Prix in 1938, where two cars were entered to race, one for Tazio Nuvolari and the other for Luigi Villoresi. Both drivers had to withdraw from competition, however Nuvolari had by then set a lap record. The next race was the Tripoli Grand Prix. The new 312 and 316 were entered, but they had engine trouble during practice and Clemente Biondetti took the start at the wheel of the 308 held in reserve. He failed to finish, while Hermann Lang, driving a Mercedes-Benz W154, was the winner. In this race, Eugenio Siena, driving a 312, was killed after hitting a wall.
The 1934 Grand Prix season saw the advent of the new 750 kg Formula. In an effort to curb the danger of rising speeds, the AIACR imposed this upper weight limit that effectively outlawed the large capacity engines. The incumbent manufacturers Alfa Romeo, Maserati and Bugatti had been preparing their new models with varying success – the best of which was the Alfa Romeo Tipo B. However, it was the state-sponsored arrival of the two German teams, Mercedes-Benz and Auto Union, and their innovative and progressive cars that ignited a new, exciting era of motor racing.
The 1946 Turin Grand Prix was a Grand Prix motor race held at Valentino Park on 1 September 1946. It is claimed to be the first ever Formula One race, as the race regulations anticipated the official introduction of the new formula on 1 January 1947.
Italian motor manufacturer Alfa Romeo has participated multiple times in Formula One. The brand has competed in motor racing as both a constructor and engine supplier sporadically between 1950 and 1987, and later as a commercial partner between 2015 and 2023. The company's works drivers won the first two World Drivers' Championships in the pre-war Alfetta: Nino Farina in 1950 and Juan Manuel Fangio in 1951. Following these successes, Alfa Romeo withdrew from Formula One.
The Alfa Romeo Tipo 512 was intended to replace the Alfa Romeo 158 Voiturette racing car. It was designed by Wifredo Ricart as his second car for Alfa Romeo after the V16 engined Alfa Romeo Tipo 162.
The Alfa Romeo Tipo 312, 312 or 12C-312 was a 3-litre formula racing car that was used in the 1938 Grand Prix season; drivers were Raymond Sommer, Giuseppe Farina, Eugenio Siena, Clemente Biondetti, Carlo Pintacuda, Jean-Pierre Wimille, Gianfranco Comotti, Piero Taruffi and Pietro Ghersi.
Alfa Romeo Tipo 316, 316 or 16C-316 Grand prix car was used in Grand Prix seasons 1938 and 1939, when it was driven by Giuseppe Farina and Clemente Biondetti. The Tipo 316 was one of three Alfa Romeo cars designed for the new rules in 1938, which differed mainly by the engine, the other two were the Alfa Romeo Tipo 308 straight-8 and Alfa Romeo Tipo 312 with a V12 engine. The car was based on Alfa Romeo 12C-37. It had roots supercharged 60 degree engine from 2,958 cc (180.5 cu in) capacity 58 mm × 70 mm produced 350 bhp (261 kW) at 7500 rpm. The engine was more powerful than the one in Tipo 308 or 312, but it was still not really competitive against Germans.
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