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  • Ferrari 365 Berlinetta Boxer (1973–1976)

Ferrari 365 GT4 Berlinetta Boxer

1973–1976
Ferrari 365 GT4 Berlinetta Boxer history
Overview
Manufacturer Ferrari
Production 1973–1976
387 produced
Assembly Maranello, Italy
Designer Leonardo Fioravanti at Pininfarina
Body and chassis
Class Sports car
Body style Berlinetta
Layout RMR layout
Powertrain
Transmission 5-speed manual
Dimensions
Wheelbase 2,500 mm (98.4 in)
Length 4,400 mm (173.2 in)
Width 1,830 mm (72.0 in)
Height 1,120 mm (44.1 in)

 

A Ferrari Berlinetta Boxer is one of a series of cars produced by Ferrari in Italy between 1973 and 1984. They used a mid-mounted flat-12 engine, replacing the FR layout Daytona, and were succeeded in the Ferrari stable by the Testarossa. It was designed by Leonardo Fioravanti.

Production of the BB was a major step for Enzo Ferrari. He felt that a mid-engined road car would be too difficult for his buyers to handle, and it took many years for his engineers to convince him to adopt the layout. This attitude began to change as the marque lost its racing dominance in the late 1950s to mid-engined competitors. The mid-engined 4-, 6-, and 8-cylinder Dino racing cars were the result, and Ferrari later allowed for the production Dino road cars to use the layout as well. The company also moved its V12 engines to the rear with its P and LM racing cars, but the Daytona was launched with its engine in front. It was not until 1970 that a mid-engined 12-cylinder road car would appear.

No BB was ever originally sold in North America, as Enzo did not believe it to be worth the cost of complying with the extra environmental and safety regulations. However, third parties made conversions, and quite a few of them are now in the United States.

The first "Boxer" was the 365 GT4 BB shown at the 1971 Turin Motor Show. Designed to rival the Lamborghini Miura and the newly developed Lamborghini Countach, it was finally released for sale in 1973 at the Paris Motor Show. 387 were built, of which 88 were right-hand drive (of which 58 for the UK market), making it the rarest of all Berlinetta Boxers. The Pininfarina-designed body followed the P6 show car with popup headlights.

Though it shared its numerical designation with the Daytona, the Boxer was radically different. It was a mid-engined car like the Dino, and the now flat-12 engine was mounted longitudinally rather than transversely (as it was mounted in the Dino; the Daytona was a conventional front-engine, longitudinal design). It has 380 hp (283 kW) which is also slightly higher than the Daytona.

The engine shared its internal dimensions with the V12 from the Daytona, but was spread out to 180° as on Ferrari's 1970 Formula One car and was mounted above a five-speed manual transmission. One major difference in this engine was its use of timing belts rather than chains. Although referred to as a Boxer, the 180° V12 was not a true boxer engine, but rather a flat engine.

Ferrari 365 GT4 Berlinetta Boxer side view 1973

  

  365
Power 344 hp (257 kW) @7200 rpm
Torque 41.7 kg·m (409 N·m; 302 lb·ft) @ 3900 rpm
Redline 7000 rpm
Maximum speed 302 km/h (188 mph)
0–100 km/h (0-62 mph) 5.4 secs
Dry weight 1,235 kg (2,723 lb)
Kerb weight n/a

 

BB LM

In 1974, Luigi Chinetti's North American Racing Team (NART) developed a racing variant of the 365 GT4 BB to replace the team's Daytonas for use in sports car racing. NART's car debuted at the 24 Hours of Daytona in 1975 before earning a sixth place finish at the 12 Hours of Sebring two months later. NART continued to use the car into 1978, by which time Ferrari had begun their own development of a racing variant of the updated 512 BB. Ferrari's Customer Assistance Department extensively modified four 512s in 1978, adding wider wheel arches, a roof-mounted aerofoil, and reusing rear wings from Ferrari 312T2 Formula One cars. Power from the flat-12 was increased to 440 hp (328 kW) while the cars' weight was decreased to approximately 1,200 kg (2,646 lb). The four cars, termed BB LM by Ferrari, were entered by Charles Pozzi, Ecurie Francorchamps, and NART in the 1978 24 Hours of Le Mans, but none was able to complete the race.

After the failure of the first batch, Ferrari worked on fixing the BB LM with a second development program in late 1978. The flat-12's carburetors were replaced with an electronic fuel injection system to increase power to 480 hp (358 kW), a system later adapted to the 512i BB. The production-based bodywork of the first BB/LMs was replaced by a new design developed by Pininfarina which was 16 in (41 cm) longer and carried over none of the original styling cues. The pop-up headlights were now replaced by fixed units integrated into the fascia, while the tail was lengthened to the maximum allowed by regulations. Nine of these revised BB LMs were built by Ferrari in 1979,while a further refined series of sixteen were built from 1980 to 1982. Amongst the BB LM's best finishes was a fifth overall and first in the GTX class at the 1981 24 Hours of Le Mans.

 Ferrari 365 GT4 Berlinetta Boxer

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Ferrari 365 Berlinetta Boxer car history from 1973 to 1976

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Ferrari
Italian Automotive 1970s | Vehicles launched in 1973 | Ferrari 365 | Italian Sports Cars | GT sports | Pininfarina

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