The Chevrolet Camaro Z28 IROC-Z is a coupé with 2 doors and a front mounted engine which transmits its power to the rear wheels.
Power is supplied by an overhead valve, 5 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that develops power and torque figures of 155 bhp (157 PS/116 kW) at 4200 rpm and 332 N·m (245 lb·ft/33.9 kgm) at 2000 rpm respectively.
The engine drives the wheels via a 4 speed automatic transmission.
Full specs
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| bodywork | |||
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| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2565 mm | 101 inches | |
| Track/tread (front) | 1542 mm | 60.7 inches | |
| Track/tread (rear) | 1539 mm | 60.6 inches | |
| Length | 4877 mm | 192 inches | |
| Width | 1849 mm | 72.8 inches | |
| Height | 1278 mm | 50.3 inches | |
| Ground clearance | 122 mm | 4.8 inches | |
| length:wheelbase ratio | 1.9 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 60.2 litres | 13.2 [15.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Chevrolet | ||
| Engine code | LG4 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5 litre 5001 cc (305.18 cu in) |
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| Bore × Stroke | 94.9 × 88.4 mm
3.74 × 3.48 in |
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| Bore/stroke ratio | 1.07 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE net) |
157 PS (155 bhp) (116 kW) at 4200 rpm |
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| maximum torque (SAE net) |
332 Nm (245 ft·lb) (33.9 kgm) at 2000 rpm |
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| Specific output (SAE net) |
23.1 kW/litre 31.4 ps/litre 31 bhp/litre 0.51 bhp/cu in |
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| Specific torque (SAE net) |
66.39 Nm/litre
0.8 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 9.5:1 | ||
| Fuel system | 1 Rochester Quadrajet carburettor | ||
| bmep (brake mean effective pressure) | 834.2 kPa (121 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 625.13 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 | |||
| turns lock-to-lock | 2.900 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8 x 16 | ||
| Wheel size rear | 8 x 16 | ||
| Tyres front | P245/45 VR 16 | ||
| Tyres rear | P245/45 VR 16 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 267 mm | ||
| Rear brake diameter | 241 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 702504 | ||
| Production total | |||
| Model code | 1FP87 | ||
| RAC rating | 44.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1985 Chevrolet Camaro Z28 IROC-Z Automatic added 2020-08-30. Last modified 2020-08-30. |
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