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| 1931 Plymouth 30 U Series | ||
| Convertible Coupe | ||
| Standard Specifications | ||
| Show Summary |
| Original Base Price | ||
| No. Produced | 1,272 | |
| Body | ||
| Body Maker | Plymouth | |
| No. Doors | 2 | |
| Passengers | 2-4 | |
| Model Number | ||
| Weight | ||
| Dimension | ||
| Wheelbase | 109.75 inches | |
| Length | 170 inches | |
| Width | ||
| Height | ||
| Front Tread | ||
| Rear Tread | ||
| Engine | ||
| Type | Own, L-head | |
| Displacement | 196.1 cu. in. | |
| Cylinders | 4 | |
| Bore & Stroke | 3 5/8 & 4 3/4 inches | |
| Compression Ratio-Std | 4.6 to 1 | |
| Compression Ratio-Opt | Not applicable | |
| Brake Horsepower | 48@2800 | |
| Rated Horsepower | 21.0 | |
| Torque | ||
| Main Bearings | 3 | |
| Valve Lifters | ||
| Block Material | ||
| Engine Numbers | Prefix 30U | |
| Engine No. Location | Top left side of cylinder block. | |
| Lubrication | Pressure to all bearings excluding wrist pin | |
| Carburetor | ||
| Type | ||
| Make | Carter | |
| 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 | Single plate dry disc | ||
| Clutch Size | 8 7/8 inches | ||
| Axle Type | Semifloating | ||
| Differential | Spiral bevel | ||
| Differential Ratio | 4.33 to 1 | ||
| Suspension | |||
| Front | Semi-elliptic leaf springs | ||
| Rear | Semi-elliptic leaf springs | ||
| Steering Gear | Worm & sector | ||
| Brakes | |||
| Service | Internal expanding on 4 wheels, hydraulic | ||
| Front Size | 11 inches | ||
| Rear Size | 11 inches | ||
| Emergency | External on the transmission | ||
| Size | 7 inches | ||
| Other Systems Specifications | |||
| Exhaust System | Single | ||
| Ignition System | Distributor and coil | ||
| Battery | 6 volt storage battery | ||
| Cooling System | Water pump | ||
| Radiator | Cellular | ||
| Fuel Type | |||
| Mileage | |||
| Wheels, Rims & Tires | |||
| Wheel Type | Wire or wood | ||
| Wheel Mfr | |||
| Wheel Size | |||
| Tire Type | Non-skid | ||
| Tire Size | 4.75 x 19 | ||
| Spare Location | External rear | ||
| Capacities | |||
| Fuel | 12 Gallons | ||
| Oil | 6 Quarts | ||
| Transmission | 3 3/4 Pints | ||
| Cooling System | 14 1/2 Quarts | ||
| Rear Differential | 3 1/2 Pints | ||
| Front Differential | Not applicable | ||
| Transfer Case | Not applicable | ||
| Classic Rating | Not Rated | ||
| VIN/ID | |||
| VIN/Serial no. | 1,530,245 to 1,570,188 | ||
| VIN Description | Total Digits: 7 | ||
| Digits 1-7: Production number | |||
| VIN Location | Right front door hinge pillar post. Add'l serial nos. 9300001 to 9305327 | ||
|
| |||
| Additional Information | |||
| No. produced includes 1930-1931 models. | |||
| References | |
| Restorer's Guide Chrysler Corp 1987 | Detroit Public Library (Nat'l Auto. Hist. Collctn) 5201 Woodward Detroit MI 48202 (313) 833-1456 www.detroit.lib.mi.us/nahc/index.htm |
| Plymouth (1930) | Horseless Carriage Foundation 8186 Center St. Suite F P.O. Box 4119 La Mesa CA 91944-4119 (619) 464-0301 www.hcfi.org |
| Plymouth with Floating Power (1931) | Horseless Carriage Foundation |
| Chilton Flat Rate & Tune Up Manual Thirteenth Edition 1939 | Horseless Carriage Foundation |
| Chilton's Flat Rate Manual (1932) | Horseless Carriage Foundation |
| Automobile Trade Journal January 1931 | Horseless Carriage Foundation |
| Exterior Colors | ||
| Paint Type | ||
| Colors | Data not yet collected | |
| Standard/Optional Equipment | ||
| Data not yet collected | Std | |