Lamborghini’s third major Countach revision came in March of 1985 at the Geneva Motor Show. The model was named after its new cylinder head which featured four valved per cylinder and it was known either as the Quattrovalvole or QV.
Unfortunately, the QV was a different beast in America and Europe. Emissions and safety regulations meant that the American-spec cars got a hideous rubber bumpers that spoiled Marcello Gandini’s original Countach lines more than anything else. Furthermore, the engine used a Bosch K-Jetronic Fuel Injection that sapped around 35 bhp from the standard Weber setup.
The European QV was much more inline with the stepwise evolution of the Countach. The rocker panels incorporated new staked ducts for the rear brakes and the engine cover was new with a buldge to clear the Weber carburetors.
| type | Series Production Car |
| production years | 1985 – 1988 |
| released at | 1985 Geneva Motor Show |
| built at | Santa’Agata Bolognese, Italy |
| body stylist | Marcello Gandini |
| coachbuilder | Bertone |
| production | 610 |
| price $ | $ 118,000 |
| engine | 60° V12 |
| position | Mid, Longitudinal |
| aspiration | Natural |
| valvetrain | DOHC, 4 Valves per Cyl |
| fuel feed | 6 Weber 44 DCNF Carburetors |
| displacement | 5167 cc / 315.3 in³ |
| bore | 85.5 mm / 3.37 in |
| stroke | 75.0 mm / 2.95 in |
| compression | 8.0:1 |
| power | 339.3 kw / 455 bhp @ 7000 rpm |
| specific output | 88.06 bhp per litre |
| bhp/weight | 305.37 bhp per tonne |
| torque | 461.0 nm / 340 ft lbs @ 5200 rpm |
| body / frame | Steel, Aluminum & Fibreglass-Reinforced Plastic over Tubular Steel Spaceframe |
| driven wheels | RWD |
| wheel type | Cast Aluminum |
| front tires | 225/50 VR-15 Pirelli P7R |
| rear tires | 345/35 VR-15 Pirelli P7R |
| front brakes | Girling Ventilated Discs w/Vacuum Assist |
| rear brakes | Girling Ventilated Discs w/Vacuum Assist |
| front wheels | F 38.1 x 21.6 cm / 15.0 x 8.5 in |
| rear wheels | R 38.1 x 30.5 cm / 15.0 x 12.0 in |
| steering | Unassisted Rack & Pinion |
| f suspension | Independent w/Coil Springs, Telescopic Shock Absorbers |
| r suspension | Independent w/Coil Springs, Telescopic Shock Absorbers |
| curb weight | 1490 kg / 3285 lbs |
| wheelbase | 2500 mm / 98.4 in |
| front track | 1535 mm / 60.4 in |
| rear track | 1606 mm / 63.2 in |
| length | 4240 mm / 166.9 in |
| width | 2000 mm / 78.7 in |
| height | 1070 mm / 42.1 in |
| transmission | 5-Speed Manual |
| tran clutch | Single dry plate |
| gear ratios | 2.232:1, 1.625:1, 1.088:1, 0.858:1, 0.707:1 |
| final drive | 4.09:1 |
| top speed | ~293.0 kph / 182.1 mph |
| 0 – 60 mph | ~5.2 seconds |
| 0 – 1/4 mile | ~13.7 second |
