The Ferrari 312 PB was a Group 6 Prototype-Sports Car introduced in 1971 by Italian carmaker Ferrari. It was officially designated the 312 P, but often known as the 312 PB to avoid confusion with a previous car of the same name. [1] It was part of the Ferrari P series of Prototype-Sports Cars but was redesignated as a Group 5 Sports Car for 1972.

The Ferrari 312 P was a Group 6 Prototype-Sports Car used for racing in 1969 and 1970. The new 1971 version of the sports prototype came with a flat-12 engine, often referred to as a boxer engine.

Ferrari already had experience in Formula 1 with racing 3-litre engines, so it came as no surprise that when they announced their return to sports car racing, a new 3 litre prototype, the 312 P, was unveiled.

2015年11月18日 · The compact, pretty and punchy 312PB, the twinkle in designer Mauro Forghieri’s eye, had begun its birth pangs. An increase in minimum weight for prototypes to 650kg made Porsche’s 908 an uncompetitive prospect for the 3-litre era, as it relied on light weight rather than high power for its speed, and rather than develop a new engine ...

The Ferrari 312PB Jacky Ickx VRJ caught up with the Belgian former GP and sports car driver at a Spa track day where Ickx was putting in many laps in a Ferrari 312PB–in fact the very car that he had raced in the 1970s and that we test drove back in January of this year.

The Ferrari 312 P of 1971 through 1973, later known as the 312PB, was powered by the Forghieri engine which rested in an aluminum semi-monocoque, similar to the F1 car. In other words, it was basically a full body Formula One car.

Fitted with a dry-sump lubrication system, Lucas fuel injection, single-plug ignition, and dual-overhead cam actuation for each cylinder bank, the 312 PB’s 3-litre flat-12 developed 460 horsepower at 10,800 rpm, which was the preferred tuning for the 1,000-kilometre races.

On a more objective level, the 312 P/B is just the most beautifully-proportioned sports-prototype, whose complex flat-12 engine sings the sweetest, most raucous and soul-stirring of songs. If it had never turned a wheel in anger, the 312 P/B would still be towards the very top of the tall Ferrari tree for collectors today.

2023年7月28日 · Basically a 470-hp flat-twelve linked to a five-speed manual, fitted with wheels, and covered by a thin fiberglass shell, the 312PB was a raw machine from a dangerous yet spectacular era of...

Fitted with a dry-sump lubrication system, Lucas fuel injection, single-plug ignition, and dual-overhead cam actuation for each cylinder bank, the 312 PB’s 3-litre flat-12 developed 460 horsepower at 10,800 rpm, which was the preferred tuning for the 1,000-kilometre races.