The Classic Car Database
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| 1921 Ambassador R Series |
|
| Roadster |
|
| Standard Specifications |
|
| | Show Summary |
| Original Base Price |
$4,500.00
| |
| No. Produced |
| |
| Body |
| |
| Body Maker |
| |
| No. Doors |
| |
| Passengers |
2
| |
| Model Number |
RR
| |
| Weight |
4,200lbs
| |
| Dimension |
| |
| Wheelbase |
136 inches
| |
| Length |
| |
| Width |
| |
| Height |
| |
| Front Tread |
| |
| Rear Tread |
| |
| Engine | |
| Type | Continental 6T, L-head | |
| Displacement | 263.2 cu. in. | |
| Cylinders | 6 | |
| Bore & Stroke | 3 5/8 & 4 1/4 inches | |
| Compression Ratio-Std | | |
| Compression Ratio-Opt | | |
| Brake Horsepower | 75 | |
| Rated Horsepower | 31.5 | |
| Torque | | |
| Main Bearings | 4 | |
| Valve Lifters | | |
| Block Material | | |
| Engine Numbers | | |
| Engine No. Location | | |
| Lubrication | Pressure to all bearings excluding wrist pin | |
| Carburetor |
| |
| Type |
| |
| Make |
Stromberg
| |
| Transmission | |
| Type | Selective sliding gear | |
| Drive | | |
| No. Of Gears | 3 | |
| Gear Ratios | |
| 1st | Unknown | |
| 2nd | Unknown | |
| 3rd | Unknown | |
| 4th | Not applicable | |
| 5th | Not applicable | |
| Reverse | Unknown | |
| Clutch Type |
Multiple disk - dry plate
| |
| Clutch Size |
| |
| Axle Type |
Full floating
| |
| Differential |
Spiral bevel
| |
| Differential Ratio |
4.45 to 1
| |
| Suspension |
| |
| Front |
| |
| Rear |
Semi-elliptic leaf springs
| |
| Steering Gear |
Screw & Nut
| |
| Brakes |
| |
| Service |
External contracting on rear wheels
| |
| Front Size |
Not applicable inches
| |
| Rear Size |
| |
| Emergency |
Internal expanding on rear wheels
| |
| Size |
| |
| Other Systems Specifications | |
| Exhaust System | | |
| Ignition System | Closed Circuit | |
| Battery | 6 volt storage battery | |
| Cooling System | Water pump | |
| Radiator | Tubular | |
| Fuel Type | | |
| Mileage | | |
| Wheels, Rims & Tires | |
| Wheel Type | | |
| Wheel Mfr | | |
| Wheel Size | | |
| Tire Type | | |
| Tire Size | | |
| Spare Location | | |
| Capacities | |
| Fuel | | |
| Oil | | |
| Transmission | | |
| Cooling System | | |
| Rear Differential | | |
| Front Differential | Not applicable | |
| Transfer Case | Not applicable | |
| Classic Rating |
| |
| VIN/ID | | |
| VIN/Serial no. | 4101 to 4163 | |
| VIN Description |
| VIN Location | | |
|
|
| Additional Information | | |
|
Engine displacement for listed stroke should be 325.1
| |
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