Ferrari Dino 308 GT4 group 5 (1974)
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Source
Specifications
2826 units built
Click here for 308 GT4/LM '74
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| Group/Class | 3 | Homologation number: 3073 |
| Years active | 1976 | Homologation start: 1/4/1976 |
| Engine | ||
| Type | Ferrari Dino F106 AL, V8 (90o) cyl, 4 stroke, petrol engine | located transversly in the middle and in front of the rear axle |
| Capacity | 2927 cc | WRC: 2927 cc |
| Bore x Stroke (mm) | 81.0 x 71.0 | |
| Compression ratio | 10.0:1 | |
| Output power - torgue | 300 HP / 8200 rpm | 27.2 kgm (267 Nm) / 6000 rpm |
| Main bearings | 5 of 63mm diameter | connecting rod length between centers 137mm, big end bearing diameter 47mm |
| Materials | block: aluminium alloy | cylinderhead: aluminium alloy, 127mm height |
| Cams/valves | 2 overhead camshafts (DOHC), beltdriven | 2 valves per cyl - 16 valves total, 43mm inlet valve diameter, 37mm exhaust valve diameter. 22.5o angle between inlet valve axis and vertical, 22.5o angle between exhaust valve axis and vertical. 2 coil springs per inlet/exhaust valve |
| Aspiration | naturally, 4 x dual Weber 40 DCNF carburetors | |
| Ignition | electronic, firing order 1-5-3-7-4-8-2-6 | |
| Cooling system | watercooled | |
| Lubrication system | dry sump | 2 oil coolers |
| Transmission | ||
| Type | rear wheel drive | 5 speed gearbox |
| Gearbox ratios | 1st: 3.418/1 2nd: 2.353/1 3rd: 1.693/1 4th: 1.244/1 5th: 0.952/1 R: 3.247/1 |
|
| Diffrential ratio | 3.706/1 (63/17) | helical gears 50-75% limited slip rear differential |
| Clutch | dry, single disk 241mm diameter | |
| Chassis-body | ||
| Type | steel tubular chassis with roll-cage. 2 door coupe bodyshell made of fiberglass | |
| Front suspension | double wishbones with coil spring, adjustable telescopic gas shock absorber and anti-roll bar | |
| Rear suspension | double wishbones with coil spring, adjustable telescopic gas shock absorber and anti-roll bar | |
| Steering system | rack and pinion | |
| Brakes | ventilated disks all around | dual circuit with servo |
| Dimensions | ||
| length: 4.460 m (175.6") | width: 1.800 m (70.9") | height: 1.210 m (47.6") |
| wheelbase: 2.550 m (100.4") | front track: 1460 m (57.5") | rear track: 1460 m (57.5") |
| Rims - tires | Front: 8x15" and rear: 12x15" | Front: 205/70 VR 14 |
| Weight | 1200 kg | |
| Fuel tank | ||
| Drag coefficient | 0.4 | |
Results in WSCC
Season
308 GT4
308 GT4
| Car entry, chassis number | Car number/ result | ||||||||||
| Monza | Spa | Nurb | Imola | Le Man | Zeltweg | Watkins Glen | Le Castellet | Brands Hatch | Kyalami | ||
| Team | 1000km | 1000km | 1000km | 1000km | 24h | 1000km | 6h | 1000km | 1000km | 6h | |
| North American Racing Team, 08020 group 5 | #18, clutch | ||||||||||
| Statistics | |||||||||||
| Starts/finishes 1/0 | 1/0 | ||||||||||
| Driver | Team entries and car number | ||||||||||
| North American Racing Team | |||||||||||
| Giancarlo Gagliardi | 18 | ||||||||||
| Jean-Louis Lafosse | 18 | ||||||||||
Source
page revision: 8, last edited: 23 Aug 2021 15:57