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| 1968 Plymouth Road Runner Series | ||
| Hardtop | ||
| Standard Specifications | ||
| Show Summary |
| Original Base Price | $3,034.00 | |
| No. Produced | 15,358 | |
| Body | ||
| Body Maker | Plymouth | |
| No. Doors | 2 | |
| Passengers | ||
| Model Number | RM23 | |
| Weight | ||
| Dimension | ||
| Wheelbase | 115.5 inches | |
| Length | 202.7 inches | |
| Width | 76.4 inches | |
| Height | 53.1 inches | |
| Front Tread | 59.5 inches | |
| Rear Tread | 59.2 inches | |
| Engine | ||
| Type | V8, OHV | |
| Displacement | 383 cu. in. | |
| Cylinders | 8 | |
| Bore & Stroke | 4 1/4 & 3 3/8 inches | |
| Compression Ratio-Std | 10.0 to 1 | |
| Compression Ratio-Opt | ||
| Brake Horsepower | 335@5200 | |
| Rated Horsepower | 57.8 | |
| Torque | 425@3400 | |
| Main Bearings | 5 | |
| Valve Lifters | Hydraulic | |
| Block Material | ||
| Engine Numbers | ||
| Engine No. Location | Stamped on block pan rail at left rear corner below starter opening. | |
| Lubrication | Pressure to all bearings excluding wrist pin | |
| Carburetor | ||
| Type | Downdraft 4-barrel | |
| Make | Carter | |
| Transmission | ||
| Type | Fully synchronized | |
| Drive | Rear wheel drive | |
| No. Of Gears | 4 | |
| Gear Ratios | ||
| 1st | 2.66 to 1 | |
| 2nd | 1.91 | |
| 3rd | 1.39 | |
| 4th | 1 to 1 | |
| 5th | Not applicable | |
| Reverse | 2.58 |
| Clutch Type | Single plate dry disc | ||
| Clutch Size | 11 inches | ||
| Axle Type | Semifloating | ||
| Differential | Hypoid | ||
| Differential Ratio | 3.23 to 1 | ||
| Suspension | |||
| Front | Independent torsion bar | ||
| Rear | Hotchkiss | ||
| Steering Gear | Recirculating ball | ||
| Brakes | |||
| Service | Hydraulic, self-adjusting drums | ||
| Front Size | 10 inches | ||
| Rear Size | 10 inches | ||
| Emergency | Rear service brakes | ||
| Size | 10 inches | ||
| Other Systems Specifications | |||
| Exhaust System | Dual | ||
| Ignition System | Distributor and coil | ||
| Battery | 12 volt storage battery | ||
| Cooling System | Water pump | ||
| Radiator | Tube and spacer | ||
| Fuel Type | Premium | ||
| Mileage | |||
| Wheels, Rims & Tires | |||
| Wheel Type | |||
| Wheel Mfr | |||
| Wheel Size | |||
| Tire Type | |||
| Tire Size | |||
| Spare Location | Trunk | ||
| Capacities | |||
| Fuel | 19 Gallons | ||
| Oil | 4 Quarts | ||
| Transmission | 9 Pints | ||
| Cooling System | 17 Quarts | ||
| Rear Differential | 4 Pints | ||
| Front Differential | Not applicable | ||
| Transfer Case | Not applicable | ||
| Classic Rating | Milestone Car | ||
| VIN/ID | |||
| VIN/Serial no. | Starting RM23G8a100001 | ||
| VIN Description | Total Digits: 13 | ||
| Digits 1-2: Series | |||
| Digits 3-4: Body style | |||
| Digits 5: Engine | |||
| Digits 6: Model year | |||
| Digits 7: Assembly plant | |||
| Digits 8-13: Production number | |||
| VIN Location | On plate on left front door body hinge pillar post. | ||
|
| |||
| Additional Information | |||
| References | |
| 1968 Car & Equipment Prices | Detroit Public Library (Nat'l Auto. Hist. Collctn) 5201 Woodward Detroit MI 48202 (313) 833-1456 www.detroit.lib.mi.us/nahc/index.htm |
| The Plymouth Win-You-Over Beat Goes On (1968) | Detroit Public Library (Nat'l Auto. Hist. Collctn) |
| 1968 Road Runner | Detroit Public Library (Nat'l Auto. Hist. Collctn) |
| Standard Catalog of American Cars 1946-1975 Krause Pub. | Los Angeles Public Library 630 West Fifth Street Los Angeles CA 90071 (213) 228-7000 www.lapl.org |
| Serial No. Book for US Cars 1900-1975 G. Brigham | Horseless Carriage Foundation 8186 Center St. Suite F P.O. Box 4119 La Mesa CA 91944-4119 (619) 464-0301 www.hcfi.org |
| Automotive Industries March 15 1968 | Detroit Public Library (Nat'l Auto. Hist. Collctn) |
| Exterior Colors | ||
| Paint Type | ||
| Colors | All colors may not be available in all models. | |
| Two Tone Colors Available | ||
| Forest Green Metallic | ||
| Mist Turquoise Metallic | ||
| Turbine Bronze #2 Metallic | ||
| Burgundy Metallic | ||
| Black | ||
| Buffed Silver Metallic | ||
| Mist Blue Metallic | ||
| Midnight Blue Metallic | ||
| Mist Green Metallic | ||
| Yellow Gold | ||
| Ember Gold Metallic | ||
| Surf Turquoise Metallic | ||
| Sunfire Yellow | ||
| Matador Red | ||
| Electric Blue Metallic | ||
| Avocado Metallic | ||
| Frost Blue Metallic | ||
| Sable White | ||
| Satin Beige | ||
| Sierra Tan Metallic | ||
| Medium Green Metallic | ||
| Standard/Optional Equipment | ||
| Torque Flite automatic transmission | Opt | |
| 383 cu. in. V8 engine | Opt | |
| 426 cu. in. V8 engine | Opt | |
| Air conditioning | Opt | |
| Power brakes | Opt | |
| Power steering | Opt | |
| Radio | Opt | |