The Iso Grifo GL300 is a rear wheel drive automobile, with the powerplant located in the front, and a 2 door coupé bodyshell designed by Bertone.
Power is supplied by an overhead valve, 5.4 litre naturally aspirated 8 cylinder powerplant, with 2 valves per cylinder that develops power and torque figures of 295.5 bhp (300 PS/220 kW) at 5000 rpm and 488 N·m (360 lb·ft/49.8 kgm) at 3200 rpm respectively.
A 4 speed manual gearbox delivers the power to the wheels.
The stated weight at the kerb is 1450 kg.
Maximum speed claimed is 230 km/h or 143 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | Bertone | ||
| dimensions & weights | |||
| Wheelbase | 2489 mm | 98 inches | |
| Track/tread (front) | 1410 mm | 55.5 inches | |
| Track/tread (rear) | 1410 mm | 55.5 inches | |
| Length | 4430 mm | 174.4 inches | |
| Width | 1770 mm | 69.7 inches | |
| Height | 1200 mm | 47.2 inches | |
| Ground clearance | 120 mm | 4.7 inches | |
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1450 kg | 3197 lb | |
| Weight distribution | 48% front | ||
| fuel tank capacity | 100 litres | 22 [26.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.4 litre 5354 cc (326.721 cu in) |
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| Bore × Stroke | 101.6 × 82.55 mm
4 × 3.25 in |
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| Bore/stroke ratio | 1.23 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE) |
300 PS (295.5 bhp) (220 kW) at 5000 rpm |
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| maximum torque (SAE) |
488 Nm (360 ft·lb) (49.8 kgm) at 3200 rpm |
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| Specific output (SAE) |
41.2 kW/litre 56 ps/litre 55.2 bhp/litre 0.9 bhp/cu in |
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| Specific torque (SAE) |
91.15 Nm/litre
1.1 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | 1 Carter AFB carburettor | ||
| bmep (brake mean effective pressure) | 1145.4 kPa (166.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 669.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 6 s | ||
| Acceleration 0-60mph | 7 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 230 km/h (143 mph) | ||
| Power-to-weight ratio | Higher is better 206.63 PS/tonne (1000 kg) 0.21 PS/kg 151.97 kW/tonne (1000 kg) 0.15 kW/kg 203.79 bhp/tonne (1000 kg) 0.2 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.58 kg/kW 10.99 lb/bhp |
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| 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 | 4.750 | ||
| Turning circle | |||
| Front suspension | I.W.CS.ARB. | ||
| Rear suspension | dD.RA.CS. | ||
| Wheel size front | 6L x 15 | ||
| Wheel size rear | 6L x 15 | ||
| Tyres front | Pirelli Cinturato HS 205 HR 15 F | ||
| Tyres rear | Pirelli Cinturato HS 205 HR 15 F | ||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | 299 mm | ||
| Rear brake diameter | 305 mm | ||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.88 | ||
| general | |||
| Carfolio.com ID | 57310 | ||
| Production total | |||
| Model code | |||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1965 Iso Grifo GL300 added before December 1995. Last modified 2013-02-28. |
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