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Ferrari 412 S
The Ferrari 412 S was a unique sports racing car produced by Ferrari in 1958. The 412 S combined Ferrari's most powerful V12 engine to date with a one-off experimental racing chassis. It was also incorrectly called as the 412 MI due to being built around an engine from the 500 Miles of Monza racer. The car was created specifically for John von Neumann to take on the American racing cars Scarabs in SCCA racing. Its famed drivers included Phil Hill and Richie Ginther.
The Ferrari 312 S was an experimental prototype sports car, created in 1958 by Ferrari to comply with 3.0-litre cap imposed after the tragic 1957 Mille Miglia events. Only one chassis was ever built, s/n 0744. It was powered by a new 3.0-litre Tipo 142 Jano V12 engine with twin overhead camshafts per bank. The internal measurements were identical to the 250 Colombo engine as were the total displacement of 2,953.21 cc (3.0 L; 180.2 cu in). The maximum power output was 20 PS higher than the 250 TR at 320 PS (235 kW; 316 hp) at 8400 rpm. Fuel was fed by six Weber 42DCN carburettors. Ignition was by a single spark plug per cylinder, served by two magnetos.
The tubular steel chassis design was of an experimental Type 524. The chassis featured a rear-mounted, transverse gearbox en bloc with the differential. The front suspension was independent with upper and lower A-arms. The rear suspension consisted of De Dion axle with twin radius arms and transverse leaf spring. The whole car weighed in at 750 kg (1,653 lb), while the 250 TR was 800 kg (1,764 lb).
Its single non-championship race was the Grand Prix Spa for sports cars on 18 May 1958 at Spa-Francorchamps. The car was entered by Scuderia Ferrari and driven by Olivier Gendebien. He retired after only four laps with a faulty transmission. After this race the car was modified, reengined and renamed as the 412 S.
The only example of the Ferrari 412 S was created on the 312 S' experimental chassis, combined with the 412 MI-sourced engine. The car retained the s/n 0744 from its predecessor. The engine installed was the Tipo 141 with twin overhead cams as used aboard the 412 MI single-seater in the 500 Miles of Monza in June 1958, and because of this the car is also erroneously known as the 412 MI. The engine was even earlier used in Alfonso de Portago's Ferrari 335 S racer from the ill-fated 1957 Mille Miglia.
The car was built exclusively for John Von Neumann, a Ferrari of California distributor, and delivered in September 1958. Von Neumann paid twice the price of the new Ferrari 250 TRs and was created expressly to be able to compete against Reventlow's Scarabs of American SCCA racing series.
The 412 S was clothed in a Scaglietti two-seater, spyder body.
This one-off race car was sold on RM Sotheby's auction in Monterey in August 2006 for US$5.6 million.
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Ferrari 412 S
The Ferrari 412 S was a unique sports racing car produced by Ferrari in 1958. The 412 S combined Ferrari's most powerful V12 engine to date with a one-off experimental racing chassis. It was also incorrectly called as the 412 MI due to being built around an engine from the 500 Miles of Monza racer. The car was created specifically for John von Neumann to take on the American racing cars Scarabs in SCCA racing. Its famed drivers included Phil Hill and Richie Ginther.
The Ferrari 312 S was an experimental prototype sports car, created in 1958 by Ferrari to comply with 3.0-litre cap imposed after the tragic 1957 Mille Miglia events. Only one chassis was ever built, s/n 0744. It was powered by a new 3.0-litre Tipo 142 Jano V12 engine with twin overhead camshafts per bank. The internal measurements were identical to the 250 Colombo engine as were the total displacement of 2,953.21 cc (3.0 L; 180.2 cu in). The maximum power output was 20 PS higher than the 250 TR at 320 PS (235 kW; 316 hp) at 8400 rpm. Fuel was fed by six Weber 42DCN carburettors. Ignition was by a single spark plug per cylinder, served by two magnetos.
The tubular steel chassis design was of an experimental Type 524. The chassis featured a rear-mounted, transverse gearbox en bloc with the differential. The front suspension was independent with upper and lower A-arms. The rear suspension consisted of De Dion axle with twin radius arms and transverse leaf spring. The whole car weighed in at 750 kg (1,653 lb), while the 250 TR was 800 kg (1,764 lb).
Its single non-championship race was the Grand Prix Spa for sports cars on 18 May 1958 at Spa-Francorchamps. The car was entered by Scuderia Ferrari and driven by Olivier Gendebien. He retired after only four laps with a faulty transmission. After this race the car was modified, reengined and renamed as the 412 S.
The only example of the Ferrari 412 S was created on the 312 S' experimental chassis, combined with the 412 MI-sourced engine. The car retained the s/n 0744 from its predecessor. The engine installed was the Tipo 141 with twin overhead cams as used aboard the 412 MI single-seater in the 500 Miles of Monza in June 1958, and because of this the car is also erroneously known as the 412 MI. The engine was even earlier used in Alfonso de Portago's Ferrari 335 S racer from the ill-fated 1957 Mille Miglia.
The car was built exclusively for John Von Neumann, a Ferrari of California distributor, and delivered in September 1958. Von Neumann paid twice the price of the new Ferrari 250 TRs and was created expressly to be able to compete against Reventlow's Scarabs of American SCCA racing series.
The 412 S was clothed in a Scaglietti two-seater, spyder body.
This one-off race car was sold on RM Sotheby's auction in Monterey in August 2006 for US$5.6 million.