The Pontiac Firebird Trans Am WS6 Convertible is a convertible/cabriolet with 2 doors and a front mounted engine which transmits its power through the rear wheels.
The Pontiac Firebird Trans Am WS6 Convertible belongs to the Firebird Series F S/V model family from Pontiac.
The 5.7 litre engine is a naturally aspirated, overhead valve, 8 cylinder unit that develops 320 bhp (324 PS/239 kW) of power at 5200 rpm, and maximum torque of 454 N·m (335 lb·ft/46.3 kgm) at 4400 rpm.
The engine delivers its power through to the wheels via a 4 speed automatic gearbox.
Full specs
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| bodywork | |||
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| Body type | 2+2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2568 mm | 101.1 inches | |
| Track/tread (front) | 1542 mm | 60.7 inches | |
| Track/tread (rear) | 1539 mm | 60.6 inches | |
| Length | 4920 mm | 193.7 inches | |
| Width | 1892 mm | 74.5 inches | |
| Height | 1331 mm | 52.4 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.92 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 63.6 litres | 14 [16.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Pontiac | ||
| Engine code | LT1 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.7 litre 5669 cc (345.944 cu in) |
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| Bore × Stroke | 99.06 × 91.95 mm
3.9 × 3.62 in |
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| Bore/stroke ratio | 1.08 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE net) |
324 PS (320 bhp) (239 kW) at 5200 rpm |
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| maximum torque (SAE net) |
454 Nm (335 ft·lb) (46.3 kgm) at 4400 rpm |
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| Specific output (SAE net) |
42.1 kW/litre 57.2 ps/litre 56.4 bhp/litre 0.93 bhp/cu in |
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| Specific torque (SAE net) |
80.08 Nm/litre
0.97 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.1:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1006.4 kPa (146 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 708.63 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | 2.280 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | P275/40 ZR 17 | ||
| Tyres rear | P275/40 ZR 17 | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 753533 | ||
| Production total | |||
| Model code | |||
| Model family | Firebird Series F S/V | ||
| RAC rating | 48.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1999 Pontiac Firebird Trans Am WS6 Convertible Automatic added 2022-07-31. Last modified 2022-07-31. |
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