Specifications
Mercury Comet and Cyclone
Mercury Comet and Cyclone factory specifications: 59 sourced across 8 model years, 1964–1971.
59 specifications · 15 sources
1964
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 114 in | Comet Cyclone |
| Tread, front / rear | 55.6 / 56.0 in | Comet Cyclone |
| Overall length | 195.1 in | Comet Cyclone |
| Overall width | 71.4 in | Comet Cyclone |
| Overall height | 53.6 in | Comet Cyclone |
| Brakes | self-adjusting 10-in drums, 154.2 sq in lining; power assist optional text | Comet Cyclone |
| Tires | 6.50 x 14 (7.00 x 14 optional), 14 x 5-in rims size | Comet Cyclone |
| Fuel tank | 20 gal | Comet Cyclone |
| Engine detail, 289 V8 | bore x stroke 4.00 x 2.87 in; 300 lb-ft @ 2,800 rpm advertised; 4-barrel; 9.0:1; regular fuel; hydraulic lifters; chrome dress-up (argent air cleaner, chrome rocker covers and caps) text | Comet Cyclone |
1965
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 114 in | sedans, hardtops, convertibles (wagons 109.5) |
| Overall length | 195.3 in | sedans, hardtops, convertibles |
| Overall height, hardtop | 53.5 in | hardtop |
| Shipping weight, Cyclone hardtop | 2,994 lb | Over-Drive table |
1966
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 116 in | all except wagons (113.0) |
| Overall width | 73.8 in | all |
| Tires, 390 335 hp | 7.75-14 size | 390 GT |
| Rear axle ratio, GT | 3.25 ratio | GT standard; 3.00 optional |
| Shipping weight, Cyclone hardtop / convertible | 3,074 / 3,321 lb | Over-Drive table |
| Shipping weight, Cyclone GT hardtop / convertible | 3,315 / 3,595 lb | Over-Drive table |
1967
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 116 in | all except wagons (113.0) |
| Overall width | 73.8 in | all |
| Shipping weight, Cyclone hardtop / GT hardtop | 3,075 / 3,372 lb | Over-Drive table |
| Shipping weight, Cyclone convertible / GT convertible | 3,339 / 3,632 lb | Over-Drive table |
1968
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 116 in | all except wagons (113.0) |
| Overall width | 76 in | all |
| Overall height, fastback | 53.5 in | fastback |
| Tires, GT models | F70-14 size | GT; FR70-14 optional |
| Shipping weight, Cyclone hardtop / fastback | 3,208 / 3,254 lb | Over-Drive table |
| Shipping weight, Cyclone GT hardtop / fastback | 3,479 / 3,525 lb | Over-Drive table |
1969
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 116 in | all except wagons (113.0) |
| Overall length, Cyclone fastback | 203.2 in | Cyclone fastback |
| Overall height, fastback | 52.6 in | fastback |
| Tires, GT and CJ | F70-14 size | GT and CJ; FR70-14 optional |
| Rear axle ratio, 428 CJ | 3.25 ratio | non-Ram Air; Ram Air 3.50 |
| Shipping weight, Cyclone / Cyclone CJ | 3,273 / 3,615 lb | Over-Drive table |
1970
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 117 in | all except wagons (114.0) |
| Overall length | 209.9 in | 2- and 4-door |
| Overall height, Cyclones | 52.3 in | Cyclone models |
| Overall width | 77.3 in | all |
| Tires, Cyclone with 429 | G70-14 size | Cyclone, GT and Spoiler with 429; GT with 351 F70-14 |
| Shipping weight, Cyclone / GT / Spoiler | 3,449 / 3,434 / 3,464 lb | Over-Drive table |
1971
| Measure | Value | Applies to |
|---|---|---|
| Wheelbase | 117 in | Cyclone, Cyclone GT and Cyclone Spoiler (the same figure is printed for the Montego line) |
| Overall length | 209.9 in | Cyclone, Cyclone GT and Cyclone Spoiler (the same figure is printed for the Montego line) |
| Overall width | 77.3 in | Cyclone, Cyclone GT and Cyclone Spoiler |
| Tread, front | 60.5 in | Cyclone, Cyclone GT and Cyclone Spoiler |
| Tread, rear | 60 in | Cyclone, Cyclone GT and Cyclone Spoiler |
| Luggage capacity | 16.2 cu ft | Cyclone, Cyclone GT and Cyclone Spoiler |
| Fuel tank capacity | 20 gal | Cyclone, Cyclone GT and Cyclone Spoiler |
| Compression ratio, 351-2V V-8 | 9 :1 | 351-2V V-8 (standard Cyclone GT) |
| Compression ratio, 351-4V V-8 | 10.7 :1 | 351-4V V-8 (standard Cyclone and Cyclone Spoiler; optional Cyclone GT) |
| Compression ratio, 429 CJ V-8 | 11.3 :1 | 429 CJ V-8 (optional on all three) |
| Fuel and exhaust, 351-2V V-8 | Regular (91 octane can be used); single exhaust | 351-2V V-8 (standard Cyclone GT) |
| Fuel and exhaust, 351-4V V-8 | Premium; dual exhaust | 351-4V V-8 (standard Cyclone and Cyclone Spoiler; optional Cyclone GT) |
| Fuel and exhaust, 429 CJ V-8 | Premium; dual exhaust | 429 CJ V-8 (optional on all three) |
| Standard tires, Cyclone | F70x14 (printed as traction tires on Full Line p. 12 and Prestige p. 37; as belted tires with raised white letters on Prestige p. 35) | Cyclone |
| Standard tires, Cyclone GT | G78x14 white sidewall, or F70x14 white sidewall at no extra cost | Cyclone GT |
| Standard tires, Cyclone Spoiler | G70x14 belted, raised letters | Cyclone Spoiler |
| Axle, Cyclone Spoiler | Traction-Lok differential with 3.25:1 axle (standard) | Cyclone Spoiler; the brochures print no axle ratio for Cyclone or Cyclone GT |
| Brakes | Dual hydraulic system with warning light standard; power brakes (disc front, drum rear) optional, required with the 429 CJ | Cyclone, Cyclone GT and Cyclone Spoiler |
Each year's heading links to that model year's full fact sheet. Specification labels are carried as recorded and not normalized across years, so the same measure may be worded differently from one year to the next.