Ferrari 312 P Boxer group 5 (1971)
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Home » Racing Sports Cars » Ferrari 312 PB

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Chassis numbers

Specifications

12 units built
Click here and here and here
Click here for 312 P '71
Ferrari Forghieri Tipo 623/001, flat 12 (180o) cyl, 4 stroke, petrol engine
2991cc, 78.5 x 51.5 mm
11.5:1
460 bhp / 343 KW @ 10800 rpm, 1972: 475HP
light alloy block and head
4 valves / cylinder, DOHC gear driven
aspiration, natural with Lucas Mark II mechanical fuel injection
single spark plug per cylinder, electronic ignition, firing order 1-10-5-7-3-11-6-9-2-12-4-8
dry sump

312P-0872
Colombo 275 Tipo 218, V12 (60o) cyl, 4 stroke, petrol engine
2.991cc, 80.0 x 49.6 mm
11.5:1
335.6 kw / 450.0 bhp @ 11000 rpm
aluminium alloy block and head
4 valves / cylinder, DOHC
aspiration: natural with Lucas Mark II mechanical fuel injection
firing order 1 - 12 - 5 - 8 - 3 - 10 - 6 - 7 - 2 - 11 - 4 - 9
water cooled
dry sump

5 speed manual gearbox
dry, multiplate clutch
aluminium semi-monocoque chassis
front suspension, independent, unequal-length wishbones, coil springs, telescopic shock absorbers, anti-roll bar
rear suspension, independent, unequal-length wishbones, coil springs, telescopic shock absorbers, anti-roll bar
rack and pinion steering
ventilated discs, all-round
length, 3500 mm (137.8 in)
width, 1880 mm (74 in)
height, 956 mm (37.6 in)
Wheelbase, 2220 mm (87.4 in)
Track (fr/r), 1425 mm (56.1 in) / 1448 mm (57 in)
f/r tires, 9-22-13 / 13-26-15
585 kg
fuel tank, 117 lt


Results in WSCC

Season
Car entry Car number/ result
Buenos Ayres Dayt Sebring Brands Hatch Monza Spa Targa Florio Nurb Le Man Zeltweg Watkins Glen
Team 1000km 24h 12h 1000km 1000km 1000km 1000km 24h 1000km 6h
Ferrari S.p.A. SEFAC, 312PB-0874 #24, fatal acci dent
Ferrari S.p.A. SEFAC, 312PB-0878 #25, gear box #51, 2nd #15, acci dent #1, 8th #15, over heating #7, acci dent #40, starter
North American Racing Team, 312P-0872 #21, 5th #21, 8th #61, reserve entry
Total points
21
6 3 9 3
Statistics
Works Starts/finishes 10/4 1/0 1/1 2/1 1/1 1/0 1/1 1/0 1/0 1/0
Driver Team entries and car number
Ferrari S.p.A. SEFAC
Ignazio Giunti 24
Arturo Merzario 24
Mario Andretti 25 40
Jacky Ickx 25 51 15 1 15 7 40
Clay Regazzoni 51 15 1 15 7
North American Racing Team
Nestor Garcia-Veiga 21
Luigi Chinetti, Jr 21 21
Alain De Cadenet 21
George Eaton 21
Jacky Ickx 61
Clay Regazzoni 61

Merzario,_Arturo_,_Ferrari_312_PB_1973-05-27.jpg Source
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NART in 312 P in Daytona '71
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NART in 312 P in 1972 season
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NART in 312 P in Le Mans '74
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Drawings

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Engine

Ferrari312BMotor1109163714.jpg Source
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