Lamborghini Miura Roadster (Zn75) Specs & Performance
General |
|
| Type | Miura Roadster or Zn75 |
| Years built | 1968 |
| Production | 1 units |
| Chassis nr. | 3498 |
| Presentation | 1968 Brussels Auto Show, Zn75 in December 1970 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 |
Dimensions |
|
| Wheelbase | 2504 mm / 98.41 in |
| Overall length | 3470 mm / 136.37 in |
| Overall width | 1760 mm / 69.17 in |
| Overall height | 1050 mm / 41.27 in |
| Front track | 1412 mm / 55.49 in |
| Rear track | 1412 mm / 55.49 in |
| Ground clear. | 130 mm / 5.11 in |
| Front overhang | 933 mm / 36.67 in |
| Rear overhang | 933 mm / 36.67 in |
| Weight | 1000 kg / 2205 lbs |
Chassis |
|
| Structure | Sheet-steel unitized body, lightened welded box sections by Bertone |
| Body | Monocoque steel construction with aluminum 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 Girling disc brakes, hydraulically operated via a dual circuit system |
| Front | 305 mm / 11.99 in |
| Rear | 280 mm / 11 in |
| Steering type | Unassisted rack and pinion, 3.4 turns lock to lock |
| Turning circle | 11.2 m / 37 ft |
| Front tire size | HS 205-15 |
| Rear tire size | HS 205-15 |
| Type of tire | Pirelli Cinturato Belted |
| Front wheel | 7×15 inch |
| Rear wheel | 7×15 inch |
| Type of wheel | Campagnolo cast magnesium on original Bertone prototype Modified wheels were mounted after the ILZRO acquired the car. |
Engine |
|
| 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 / 240 ci |
| Bore & stroke | 82 x 62 mm |
| Compr. Ratio | 9.5 |
| Max. power | 350 Bhp at 7000 rpm |
| Max. torque | 369 Nm at 5100 rpm |
| Cooling system | Cross-flow radiators and twin electric fans |
| Ignition | Two coils and two Marelli distributors |
| Plugs | Bosch 250P |
| Alternator | 660 Watt |
| Fuel system | Dual electric Bendix fuel pumps, 4 tripple-choke Weber 40 IDA 30 carburetors |
| Fuel type | 100 Octane |
| Lubrication | Wet sump, common engine-transmission lubricant |
| Fuel consumption | 19 Lit/100 Km |
| Electr. system | 12 V |
Drivetrain |
|
| Type | Lamborghini all synchromesh five-speed + reverse manual |
| Clutch | dry-single plate, hydraulically operated |
| Disc diameter | 266.7 mm / 10.48 in |
| 1st gear ratio | 2.520:1 – Max speed 93 Km/h or 58 Mph |
| 2nd gear ratio | 1.735:1 – Max speed 135 Km/h or 84 Mph |
| 3rd gear ratio | 1.225:1 – Max speed 188 Km/h or 117 Mph |
| 4th gear ratio | 1.000:1 – Max speed 225 Km/h or 140 Mph |
| 5th gear ratio | 0.815:1 – Max speed 280 Km/h or 174 Mph |
| Reverse gear ratio | 2.765:1 – Max speed 0 Km/h or 0 Mph |
| Final drive ratio | 4.08:1 |
Performance |
|
| Top speed | 280 Km/h / 174 Mph |
| 0 – 100 Km/h | 6.60 sec. |
| Standing Km | 24.40 sec. |
| 1/4 Mile | 14.60 sec. reaching 101 Mph |
Capacities |
|
| Fuel | 90 Liter / 24 Gallon |
| Engine oil | 14 Liter / 4 Gallon |
| Cooling system | 14 Liter / 4 Gallon |
| Luggage | 140 Liter / 37 Gallon |
Pricing |
|
| Current value | $ 8,000,000 – $ 10,000,000 Probably the most expensive Lamborghini ever next to the 350 GTV, an estimated value of US $ 10,000,000 was quoted in 2013 |
