Following the general styling theme found on Calais models, the DeVille series was again distinguished with
Tiffany-like scripts above the rear tip of the horizontal body rub moldings. Standard equipment additions
followed the pattern of previous years. Cadillac crests and V-shaped moldings, front and rear, were identifiers.
| Type | V-8 Overhead valves |
| Block | Cast iron block |
| Displacement | 429 cubic inches |
| Bore and stroke | 4.13 x 4.00 inches |
| Compression ratio | 10.5:1 |
| Brake horsepower | 340 @ 4600 rpm |
| Bearings | Five main bearings |
| Valve Lifters | Hydraulic valve lifters |
| Carburetor | Rochester four-barrel type, model 7026030 |
| Model Number | Style Number | Body Type | Seating | Factory Price | Shipping Weight | Production Total |
|---|---|---|---|---|---|---|
| 66-683 | 68369-L | 4-door
Sedan | 6 | 5581 | 4535 | 11,860 |
| 66-683 | 68339-B | 4-door Hardtop
Sedan | 6 | 5581 | 4515 | 60,550 |
| 66-683 | 68357-J | 2-door Coupe
DeVille | 6 | 5339 | 4460 | 50,580 |
| 66-683 | 68367-F | 2-door Convertible
Coupe | 6 | 5555 | 4445 | 19,200 |
| Wheelbase | 129.5 inches. |
| Overall length | 224.2 inches. |
| Front tread | 62.5 inches. |
| Rear tread | 62.5 inches. |
| Automatic level control standard where indicated in text. | |
| A new engine mounting system and patented quiet exhaust were used. | |
| Tires | 8.00 x 15. |
| Air conditioner | $495. |
| Bucket seats with console in DeVille hardtop, Coupe, and Convertible models with leather upholstery | $188. |
| Controlled differential | $54. |
| Cruise Control | $97. |
| Door guards on two-door models | $4 |
| Door guards on four-door models | $7. |
| Soft Ray tinted glass | $52. |
| Delete-option heater and defroster | $97 credit. |
| Leather upholstery on all Devilles except the convertible models | $141. |
| License plate frame | $6. |
| Padded roof on Coupe DeVille model | $124 |
| Padded roof on DeVille sedan or hardtop models | $140. |
| The new seat warmer | $60.20 |
| Left-hand four-way power bucket seat on DeVille hardtop, Coupe, and Convertible models | $54. |
| The recliner seat with head rest which was available only in DeVille hardtop, Coupe, and Convertible models with Eldorado bench seats or optional bucket seats. | $64.20 extra |
| Power door locks on Coupe and Convertible models | $46 |
| Power door locks on four-door models | $70. |
| Power headlight control | $51. |
| Six-way power front seat on all DeVille models | $85. |
| Head rests | $40.15 |
| Power vent window regulator option | $73. |
| Radio with rear speaker | $165. |
| Radio with rear speaker and remote control | $246. |
| AM/FM radio | $191. |
| Rear seat belts | $18. |
| Front seat belt delete-option | $17 credit. |
| Adjustable steering wheel | $91. |
| Remote control trunk lock | $53. |
| Twilight Sentinel | $57. |
| Five white sidewall tires 9.00 x 15 size with four-ply construction | $57 exchange. |
Books about Cadillac |
History of LaSalle |
Books on other automobiles |
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