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| 1968 Mercury S-55 Series | ||
| Hardtop | ||
| Standard Specifications | ||
| Show Summary |
| Original Base Price | ||
| No. Produced | ||
| Body | ||
| Body Maker | Mercury | |
| No. Doors | 2 | |
| Passengers | ||
| Model Number | G3G | |
| Weight | ||
| Dimension | ||
| Wheelbase | 123 inches | |
| Length | 220.1 inches | |
| Width | 77.9 inches | |
| Height | 54.9 inches | |
| Front Tread | 62 inches | |
| Rear Tread | 62 inches | |
| Engine | ||
| Type | Own V8, overhead valve | |
| Displacement | 428 cu. in. | |
| Cylinders | 8 | |
| Bore & Stroke | 4.13 & 3.98 inches | |
| Compression Ratio-Std | 10.5 to 1 | |
| Compression Ratio-Opt | ||
| Brake Horsepower | 340@4600 | |
| Rated Horsepower | 54.58 | |
| Torque | 462@2800 | |
| Main Bearings | 5 | |
| Valve Lifters | Hydraulic | |
| Block Material | Special alloy iron | |
| Engine Numbers | ||
| Engine No. Location | ||
| Lubrication | Pressure to all bearings excluding wrist pin | |
| Carburetor | ||
| Type | Downdraft 4-barrel | |
| Make | Autolite | |
| Transmission | ||
| Type | Mercomatic automatic | |
| Drive | Rear wheel drive | |
| No. Of Gears | 3 | |
| Gear Ratios | ||
| 1st | Not applicable | |
| 2nd | Not applicable | |
| 3rd | Not applicable | |
| 4th | Not applicable | |
| 5th | Not applicable | |
| Reverse | Not applicable |
| Clutch Type | Not applicable | ||
| Clutch Size | |||
| Axle Type | Semifloating | ||
| Differential | Hypoid | ||
| Differential Ratio | 2.8 to 1 | ||
| Suspension | |||
| Front | Independent ball joint with coil springs | ||
| Rear | Coil link | ||
| Steering Gear | Recirculating ball and nut | ||
| Brakes | |||
| Service | Hydraulic, self-adjusting drums | ||
| Front Size | 11 inches | ||
| Rear Size | 11 inches | ||
| Emergency | Rear service brakes | ||
| Size | 11 inches | ||
| Other Systems Specifications | |||
| Exhaust System | Dual | ||
| Ignition System | Distributor and coil | ||
| Battery | 12 volt storage battery | ||
| Cooling System | Centrifugal water pump | ||
| Radiator | Tubular and fin | ||
| Fuel Type | Premium | ||
| Mileage | |||
| Wheels, Rims & Tires | |||
| Wheel Type | |||
| Wheel Mfr | |||
| Wheel Size | |||
| Tire Type | |||
| Tire Size | 8.15 x 15 | ||
| Spare Location | Trunk | ||
| Capacities | |||
| Fuel | 25 Gallons | ||
| Oil | 5 Quarts | ||
| Transmission | 3 Pints | ||
| Cooling System | 19.5 Quarts | ||
| Rear Differential | 5 Pints | ||
| Front Differential | Not applicable | ||
| Transfer Case | Not applicable | ||
| Classic Rating | Not Rated | ||
| VIN/ID | |||
| VIN/Serial no. | Starting 8a67Q500001 | ||
| VIN Description | Total Digits: 11 | ||
| Digits 1: Model year | |||
| Digits 2: Assembly plant | |||
| Digits 3-4: Body style | |||
| Digits 5: Engine | |||
| Digits 6-11: Production number | |||
| VIN Location | On tab on instrument panel close to windshield on passenger side visible from outside. | ||
|
| |||
| Additional Information | |||
| References | |
| Mercury Product Information 1968 | Detroit Public Library (Nat'l Auto. Hist. Collctn) 5201 Woodward Detroit MI 48202 (313) 833-1456 www.detroit.lib.mi.us/nahc/index.htm |
| 1968 Ford- Mercury Shop Manual | 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. | |
| Onyx | ||
| Black Cherry | ||
| Madras Blue Metallic | ||
| Lime Frost Metallic | ||
| Polar White #2 | ||
| Diamond Blue | ||
| Pewter Beige Metallic | ||
| Glacier Blue #2 Metallic | ||
| Augusta Green Metallic | ||
| Cardinal Red | ||
| Caribbean Blue Metallic | ||
| Saxony | ||
| Wellington Blue Metallic | ||
| Grecian Gold Metallic | ||
| Tahitian Rose Metallic | ||
| Calypso Coral | ||
| Fawn | ||
| Standard/Optional Equipment | ||
| Power windows | Opt | |
| Air conditioning | Opt | |
| Power steering | Opt | |
| Power seats | Opt | |
| Power vent windows | Opt | |
| Radio | Opt | |
| Power antenna | Opt | |
| Speed control device | Opt | |