| Code | Application | Displacement | Compression | Horsepower | Transmission | Heads | Camshaft | Carb |
| A3 | 400 | 8:1 | 200 | Auto | 4X | 66 | 4 bbl | |
| A4 | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| AA | 350 | 7.6:1 | 155 | Auto | 46 | 555 | 2 bbl | |
| AD | 400 | 8:1 | 190 | Auto | 4X | 255 | 2 bbl | |
| AH | 400 | 8:1 | 190 | Auto | 4X | 255 | 2 bbl | |
| AT | 400 | 8:1 | 200 | Auto | 4X | 66 | 4 bbl | |
| AU | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| UX | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| W8 | 455 (Super Duty) | 8.4:1 | 290 | Manual | 16 | 323 | 4 bbl | |
| WA | 350 | 7.6:1 | 155 | Manual | 4C | 555 | 2 bbl | |
| WB | 350 | 7.6:1 | 155 | Manual | 4C | 555 | 2 bbl | |
| WN | 350 | 7.6:1 | 170 | Manual | 4C | 555 | 4 bbl | |
| WP |  |
350 | 7.6:1 | 200 | Manual | 46 | 66 | 4 bbl |
| WT | 400 | 8:1 | 225 | Manual | 4X | 67 | 4 bbl | |
| Y3 | 400 | 8:1 | 225 | Manual | 4C | 66 | 4 bbl | |
| Y4 | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| Y6 | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| Y8 | 455 (Super Duty) | 8.4:1 | 290 | Auto | 16 | 323 | 4 bbl | |
| Y9 | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| YA | 350 | 7.6:1 | 155 | Auto | 46 | 555 | 2 bbl | |
| YB | 350 | 7.6:1 | 155 | Auto | 46 | 555 | 2 bbl | |
| YC | 350 | 7.6:1 | 155 | Auto | 46 | 555 | 2 bbl | |
| YF | 400 | 8:1 | 190 | Auto | 4X | 255 | 2 bbl | |
| YH | 400 | 8:1 | 190 | Auto | 4X | 255 | 2 bbl | |
| YJ | 400 | 8:1 | 190 | Auto | 4X | 255 | 2 bbl | |
| YK | 400 | 8:1 | 190 | Auto | 4X | 255 | 2 bbl | |
| YL | 400 | 8:1 | 200 | Auto | 4X | 66 | 4 bbl | |
| YM | 400 | 8:1 | 200 | Auto | 4X | 66 | 4 bbl | |
| YN | 350 | 7.6:1 | 170 | Auto | 4C | 555 | 4 bbl | |
| YP | |
350 | 7.6:1 | 200 | Auto | 46 | 66 | 4 bbl |
| YR | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| YS | |
350 | 7.6:1 | 200 | Auto | 46 | 66 | 4 bbl |
| YT | 400 | 8:1 | 200 | Auto | 4X | 66 | 4 bbl | |
| YU | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| YW | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| YY | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| YZ | 400 | 8:1 | 200 | Auto | 4C | 66 | 4 bbl | |
| Z4 | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| Z6 | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| ZA | 350 | 7.6:1 | 155 | Auto | 4C | 957 | 2 bbl | |
| ZB | 350 | 7.6:1 | 155 | Auto | 4C | 957 | 2 bbl | |
| ZD | 400 | 8:1 | 190 | Auto | 4X | 266 | 2 bbl | |
| ZH | 400 | 8:1 | 190 | Auto | 4C | 266 | 2 bbl | |
| ZJ | 400 | 8:1 | 190 | Auto | 4C | 266 | 2 bbl | |
| ZK | 400 | 8:1 | 190 | Auto | 4X | 266 | 2 bbl | |
| ZP | |
350 | 7.6:1 | 200 | Auto | 46 | 66 | 4 bbl |
| ZS | 400 | 8:1 | 200 | Auto | 4X | 66 | 4 bbl | |
| ZT | 400 | 8:1 | 200 | Auto | 4X | 66 | 4 bbl | |
| ZU | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| ZW | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl | |
| ZX | 455 | 8:1 | 250 | Auto | 4X | 67 | 4 bbl |
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