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 | The Lamborghini Miura Roadster prototype by Bertone. |  |
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| General Information - Dimensions - Chassis - Engine - Drivetrain - Performance |
The Lamborghini Miura P400 Roadster, full specification list.
| Type : | Lamborghini P400 Miura Roadster |
| Years built : | March 1968 |
| Production : | 1 |
| Chassisnr. : | 3498 |
| Presentation : | 1968 Brussels Auto Show (original Bertone car) |
| The Zn 75 appeared in December 1970 in the Hotel intercontinental in Paris | |
| Type of car : | Two door, two seater with targa-style roof construction |
| Designed by : | Bertone, Marcello Gandini |
| Built by : | Bertone, modified by the ILZRO |
| Wheelbase : | 2504 mm (98.6 in) |
| Overall length : | 4370 mm (172 in) |
| Overall width : | 1760 mm (69.3 in) |
| Overall height : | 1050 mm (41.3 in) |
| Front track : | 1412 mm (55.6 in) |
| Rear track : | 1412 mm (55.6 in) |
| Ground clear. : | 130 mm (5.1 in) |
| Front overhang : | 933 mm (36.7 in) |
| Rear overhang : | 933 mm (36.7 in) |
| Weight : | 1000 kg (2204 Lbs) |
| Distribution : | n.a. front / rear |
| Structure : | Sheet-steel unitized body, lightened welded box sections by Bertone |
| Body : | Monocoque steel construction with aluminium front and rear sections |
| Suspension : | All-independent, consisting of double transverse wishbones with coil springs, telescopic shock absorbers and anti-roll bars |
| Brakes : | All-wheel power-assisted Girling disc brakes, hydraulically operated via a dual circuit system |
| Front : | 305 mm |
| Rear : | 280 mm |
| Steering type : | Unassisted rack and pinion, 3.4 turns lock to lock |
| Turning circle : | 11.2 m |
| Front tyre size : | HS 205-15 |
| Rear tyre size : | HS 205-15 |
| Type : | Pirelli Cinturato Belted |
| Front rim size : | 7x15 inch |
| Rear rim size : | 7x15 inch |
| Type : | Campagnolo cast magnesium on original Bertone prototype |
| Modified wheels were mounted after the ILZRO acquired the car. |
| Type : | V-12 60 degree, light-alloy block with gearbox and differential built in the same block and pressed-in liners mid mounted, rear wheel drive |
| Distribution : | Dual overhead camshafts, chain drive, two valves/cyl. |
| Main bearings : | 7 |
| Cyl. Capacity : | 3939 cc |
| Bore & stroke : | 82 x 62 mm |
| Compr. ratio : | 9.5:1 |
| Max. power : | 350 bhp at 7000 rpm |
| Max. torque : | 369 Nm (271 lbs.ft.) at 5100 rpm |
| Cooling system: | Cross-flow radiators and twin electric fans |
| Ignition : | Two coils and two Marelli distributors |
| Plugs : | Bosch 250P |
| Electr. system : | 12 V |
| Alternator : | 660 Watt |
| Fuel system : | Dual electric Bendix fuel pumps, 4 tripple-choke Weber 40 IDA 30 carburetors |
| Fuel type : | 100 Octane |
| Fuel cons. : | n.a. |
| Lubrication : | Wet sump, common engine-transmission lubricant |
| Type : | Lamborghini five-speed + reverse manual all-synchromesh |
| Clutch : | Dry-single plate, hydraulically operated |
| 1st gear ratio : | 2.520:1 |
| 2nd gear ratio : | 1.735:1 |
| 3rd gear ratio : | 1.225:1 |
| 4th gear ratio : | 1.000:1 |
| 5th gear ratio : | 0.815:1 |
| Rev. gear ratio : | n.a. |
| Final drive ratio : | 4.080:1 |
| Top speed : | 280 Km/h (174 Mph) |
| 0 - 100 Km/h : | 6,6 sec |
| Standing Km. : | 24,4 sec |
| Capacities : | |
| Fuel : | 90 Lt. |
| Engine oil : | 14 Lt. |
| Cooling system : | 14 Lt. |
| Luggage : | 140 Lt |
| Price : | n.a. |
| Current value : | Car is currently in Japan, and is not for sale, it was sold for about US $ 200,000 in 1998 |
Return to the Miura Line-up.
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