| Series | Displacement Bore and Stroke |
Horsepower Torque |
Compression Ratio |
Transmission |
| Monterey And Commuter |
312 Cu in. 3.8" x 3.44" |
205-hp 328 ft-lbs |
8.9 to 1 | 3-speed manual |
| Merc-O-Matic | ||||
| Monterey And Commuter (Opt.) |
383 Cu in. 4.30" x 3.30" |
280-hp 405 ft-lbs |
8.5 to 1 | Merc-O-Matic |
| Multi-Drive | ||||
| Montclair and Colony Park |
430 Cu in. 4.30" x 3.70" |
310-hp 460 ft-lbs |
10.0 to 1 | Merc-O-Matic |
| Multi-Drive | ||||
| Park Lane | 430 Cu in. 4.30" x 3.70" |
310-hp 460 ft-lbs |
10.0 to 1 | Multi-Drive |
| Optional at extra cost | ||||