The early 1970s saw the return of success to Scuderia Ferrari; during this period, Chris Amon left the team, while Jacky Ickx returned and was joined by Clay Regazzoni. Under the direction of Mauro Forghieri, Ferrari developed the Tipo 001 flat-12 engine, colloquially known as a "boxer" (though not a true boxer engine), which provided a lower center of gravity and clear airflow beneath the rear wing.
For 1973, FIAT executives imposed a new technical staff, transferring Forghieri to the experimental department and replacing him with Sandro Colombo, a former Gilera and Innocenti engineer. A radical design featuring square bodywork and a full-width nose on a short wheelbase, nicknamed the spazzaneve (snowplow), was tested by Ickx and Arturo Merzario but never raced in a Grand Prix. The spazzaneve project was discarded and replaced by a new design, also named the 312 B3. This version featured a new full monocoque chassis built by the English company TC Prototypes under John Thompson's guidance, with the engine serving as a fully stressed member.
The 312 B3's development was influenced by experiments conducted on its predecessors. The earlier 312 B2 had suffered from handling problems and severe vibrations near the limit, caused by a combination of innovative rear suspension and Firestone tires. While Forghieri had experimented with winglets and front bodywork similar to the Tyrrell 003, these were largely abandoned after proving uncompetitive.
During the summer of 1973, Forghieri was recalled as technical director. He set about revising the B3 by incorporating ideas from the earlier spazzaneve project. This resulted in a heavily revised car for the 1974 season, designated the 312 B3-74.
Ferrari began the 1973 season using the older 312 B2, but the car was no longer competitive; Ickx managed only a single fourth-place finish at the opening round. The new 312 B3 debuted at the Spanish Grand Prix but proved slow and unreliable, achieving even worse results. Ferrari was outclassed throughout the year and skipped several races, notably the Nürburgring.
Jacky Ickx left the team halfway through the 1973 season to contest the German Grand Prix at the Nürburgring in a McLaren. Despite being given an older-spec Ford Cosworth V8 and the hardest compound of tires available, Ickx finished in 3rd place behind the Tyrrells of Jackie Stewart and François Cevert.
For 1974, Ferrari fielded the revised 312 B3-74 and signed drivers Niki Lauda and Clay Regazzoni. The 312B series continued to be used into the early part of 1975, until it was succeeded by the 312T.
This article is based solely on the supplied corpus. No external sources were consulted; claims that could not be substantiated against the corpus were omitted under the drop-the-claim rule.
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