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Firestone-Columbus Model 68-D Raceabout, 1912
| Manufacturer | Firestone-Columbus |
| Model | Model 68-D Raceabout |
| Year of production | 1912 |
| Start of production | |
| End of production | |
| Body type |
roadster |
| Number of doors | 0 |
| Number of seats | 2 |
| Engine position |
front |
| Drive wheel |
rear |
| Fuel |
petrol |
| Number of cylinders |
inline 4 |
| Cooling |
liquid |
| Capacity | 5734 ccm, 348.3 cu-in |
| Bore | 114.3 mm, 4.5 in |
| Stroke | 139.7 mm, 5.5 in |
| Compression ratio | |
| Valve Gear |
SV |
| Valves per cylinder | 2 |
| Fuel system |
carburator, 1 x Shebler |
| Aspiration |
normal |
| Max power [kW / PS / hp] |
24 / 32 / 32 |
| Max torque [Nm / ft-lb] |
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| Total power (hybrid) | |
| Total torque (hybrid) |
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| Gearbox | M3 |
| Gearbox (option) | |
| Wheelbase | 3073 mm, 121 in |
| Front track | |
| Rear track | |
| Length | |
| Width | |
| Height | |
| Weight | |
| Maximum speed |
90 km/h, 56 mph |
| 0-100 km/h | |
| Standing km | |
| Foto: RM Auctions, Pennsylvania, 2013 |
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