Ferrari 250 P
|1963 to 1964|
|Category||World Sportscar Championship|
|Substitute||Ferrari 246 SP|
|Replaced by||Ferrari P2|
|Frame||Trellis d 'pipes Steel|
|Engine||V12 from 2953.2 cm³|
|Transmission||5-speed, rear-wheel drive|
|Dimensions and weights|
The Ferrari 250 P is a racing car produced by Ferrari who participated in the World Sportscar Championship .
Produced in 1963, winning the 12 Hours of Sebring, 1000 km Nürburgring and the 24 Hours of Le Mans in that year. It was an open cockpit mid-engined design with a single-cam 3.0 L 250 Testa Rossa V12 engine and was almost entirely unrelated to the other 250 cars.
In 1962 , Ferrari had deployed in the World Sportscar several cars. Its main successes obtained them with the Red Head 250 and the SP 246 , in addition to a series of other cars derived directly from the latter. The Testa Rossa was a high performance car, but with the engine positioned at the front had become obsolete with respect to new and more agile mid-engine cars such as the 246 SP. The latter, though manageable, at the end of the season was no longer competitive in terms of performance. Ferrari then decided to replace the V6 engine that equipped these vehicles with a higher power. He was chosen the V12 , designed by Gioachino Colombo , who had already equipped several cars both road and racing, including the same 250 Testa Rossa and 250 GTO . The engine in question had a displacement of 2953.21 cm³ with angle between the cylinder banks of 60 °. The distribution was SOHC with two valves per cylinder . On 250 P, the ' power was entrusted to 6 carburetors Weber 38DCN. With this configuration, the output was 310 hp . The first prototype was produced in 1962 , by setting the frame of an SP 246 , a trellis d 'tubes steel , lengthening the step to allow the installation of the new engine . The suspensions , both front and rear, were wishbones with independent wheels, shock absorbers and hydraulic springs helical. In total they were built four P 250, identified by the chassis number 0810, 0812, 0814, 0816 .
The 250 P debuted March 23 1963 at the 12 Hours of Sebring . The two cars in the race, with the crews Surtees / Scarfiotti and Mairesse / Vaccarella / Bandini won respectively the first and second place . The second race, race on May 5, was the Targa Florio . The two P 250, driven by the crews Scarfiotti / Mairesse and Parkes / Surtees, were both forced to retire because of an accident . On 19 May it was the turn of the 1000 km Nürburgring . The two cars lined up, one conducted by the crew Surtees / Mairesse won the victory, while the second entrusted to Parkes / Scarfiotti retired following an accident. A third P 250, inscribed with Vaccarella as a pilot, did not start . For the 24 Hours of Le Mans , on 16 June, the Ferrari enrolled four 250 P. Of these, only three took part in the race. The 250 P carried by the crew Surtees / Mairesse was forced to retire on lap 252º, after following an accident, the cars caught fire. The other two P 250, crewed Bandini / Scarfiotti and Parkes / Maglioli respectively concluded the first and third place . Ferrari won the constructors' championship with 72 points, second came the Porsche with 30 points.
The P 275 and P 330
For the 1964 Ferrari decided not to design a new car, and tried instead to increase the performance of the 250 P. The first evolution, the 275 P , saw the rise of the ' bore from 73mm to 77mm, bringing the displacement to 3285, 72 cm³. The compression ratio was increased to 9.7: 1. The output was 320 hp at 7700 rpm . The weight dropped to 755 kg.Were built six 275 P, 250 P of these three were modified, those with the chassis numbers 0812, 0814 and 0816. Three more were built from scratch, with chassis number 0818, 0820 and 0822 . That same year, Ferrari decided to further increase the performance of these cars. About 330 P , so were renamed, the engine capacity grew to 3967.44 cm³ as a result of the stroke to 71mm. The compression ratio was further raised to 9.8: 1. The power came to 370 hp. The cars that suffered such changes were the number of 0810 250 P 275 P frame and the number of frame 0814, 0818, 0820 and 0822. It was also constructed a sixth P 330, with the chassis number 0824 . Both P 275 P 330 that had a longer wheelbase to 2500mm.
The P 275 and P 330 debuted on March 21 at the 12 Hours of Sebring . The two P 275 in the race won the first two places respectively with the crews Parkes / Maglioli and Scarfiotti / Vaccarella . In third place came a 330 P, with Surtees and Bandini driving. A second P 330, crewed Hill / Bonnier , was forced to retire due to the rupture of change . On May 31, the 1000 km Nürburgring, were deployed three 275 P. Of these, the one brought to the race crew Scarfiotti / Vaccarella was able to win the victory. The second, led by Surtees and Bandini, arrived at the 46th place, delayed by the loss of a wheel during the race. That entrusted Graham Hill andInnes Ireland was disqualified for an irregularity during refueling . At the 24 Hours of Le Mans , which ran June 22, Ferrari deployed three P 275 and three 330 P. Of the 275 P, two withdrew, respectively, for an accident and the breaking of the oil pump . The third managed to reach the top spot, with Jean Guichet and Nino Vaccarella driving. The podium was completed by two P 330, carried by the crews in the race Hill / Bonnier and Surtees / Bandini. The third P 330 retreated for breaking the seal of the head . On 29 May, the RAC Tourist Trophy , which ran on the Goodwood circuit , the unique 330 P in the race won the victory . The penultimate race of the season, the 500 km of Bridgehampton that ran September 20, Ferrari took in the race a 275 and two P 330 P. The P 275, led by Pedro Rodríguez , he came in second place. The two P 330, one led by John Fulp came fifth, while that given to Scarfiotti, inscribed with the colors of the team NART , retired for the engine failure . The last race of the season, on October 11, was the 1000 km of Paris . The only P 330 that took part in the race, headed by Graham Hill and Jo Bonnier, he was able to take first place . Ferrari failed to win the constructors' title, which that year was won by the Porsche .
- Ferrari 250 P
- March 23, 1963: 12 Hours of Sebring ; Surtees / Scarfiotti
- May 19: 1000 km Nürburgring ; Surtees / Mairesse
- June 15 to 16 24 Hours of Le Mans ; Scarfiotti / Bandini
- Ferrari 275 P
- March 22, 1964: 12 Hours of Sebring, Parkes / Maglioli
- May 31, 1964: 1000 km Nürburgring; Scarfiotti / Vaccarella
- 20 to 21 June 1964 24 Hours of Le Mans; Guichet / Vaccarella
- Ferrari 330 P
- August 29, 1964: RAC Tourist Trophy ( Goodwood Circuit ); Graham Hill
- October 11, 1964: 1,000 km of Paris; Hill / Bonnier