| Ford/Lincoln/Mercury Box Panther Horsepower/Torque Figures | |||||
| Year(s) | Displacement | Horsepower | Torque | Compression | Notes |
| 1979 | 5.0 | 129@3600 | 223@2600 | 8.4 | Ford/Merc non-California |
| 5.0 | 130@3600 | 226@2200 | 8.4 | Ford/Merc California Emissions | |
| 5.8 | 142@3200 | 286@1400 | 8.3 | Ford/Merc non-CA | |
| 5.8 | 138@3200 | 260@2200 | 8.3 | Ford/Merc CA | |
| 1980 | 5.0 | 130@3600 | 230@1600 | 8.4 | Ford/Merc |
| 5.0 | 129@3600 | 231@2000 | 8.4 | Lincoln | |
| 5.8 | 140@3400 | 265@2000 | 8.3 | F/M/L - 50-State | |
| 5.8 | No Figures | No Figures | 8.3 | High Output | |
| 1981 | 4.2 | 120@3400 | 205@2600 | 8.2 | Ford/Merc Only |
| 5.0 | 130@3400 | 230@2200 | 8.4 | CA - Ford/Merc, 50-State Lincoln | |
| 5.0 | 130@3400 | 235@1800 | 8.4 | Non-CA Ford/Merc | |
| 5.8 | 145@3200 | 270@1800 | 8.3 | Ford/Merc Only | |
| 5.8 | 165@3600 | 285@2200 | 8.3 | High Output | |
| 1982 | 4.2 | 122@3400 | 205@2600 | 8.2 | Ford/Merc Only |
| 5.0 | 132@3400 | 236@1800 | 8.4 | Ford/Merc | |
| 5.0 | 134@3400 | 232@3200 | 8.4 | Lincoln | |
| 5.8 | 140@3400 | 265@2000 | 8.3 | Canada/Fleet Only | |
| 1983 | 5.0 | 130@3200 | 240@2000 | 8.4 | Standard |
| 5.0 | 145 | Optional | |||
| 5.8 | 140@3400 | 265@2000 | 8.3 | Canada/Fleet Only | |
| 1984 | 5.0 | 140@3200 | 250@1600 | 8.4 | Standard for Sedan |
| 5.0 | 155 | Standard for Wagon, Optional Sedan | |||
| 5.8 | 180@3600 | 285@2400 | 8.3 | Canada/Fleet Only | |
| 1985 | 5.0 | 140@3200 | 250@1600 | 8.4 | Standard |
| 5.0 | 155 | Optional | |||
| 5.8 | 180@3600 | 285@2400 | 8.3 | Canada/Fleet Only | |
| 1986-1991 | 5.0 | 150@3200 | 270@2000 | 8.9 | Single Exhaust |
| 5.0 | 160@3400 | 280@2200 | 8.9 | 1990-1991 Dual Exhaust | |
| 5.8 | 180@3600 | 285@2400 | 8.3 | Canada/Fleet Only | |