Common Pontiac Displacements and Overbore Displacements.
301
| inches | metric | |
| bore | 4" | |
| stroke | 3" | |
| overbore | 0 | 0 |
| disp/cyl | 37.6911 cid | 617.77 cc's |
| displacement | 301.59 | 4.942 liters |
| new bore size | 4 |
301 bored .030 over
| inches | metric | |
| bore | 4 | |
| stroke | 3 | |
| overbore | 0.030 | |
| disp/cyl | 38.262 cid | 621.43 cc's |
| displacement | 306.13 | 4.91litres |
| new bore size | 4.03 |
301 bored .060" over
| inches | metric | |
| bore | 4 | |
| stroke | 3 | |
| overbore | 0.060 | |
| disp/cyl | 38.83 | 625.09 cc's |
| displacement | 310.71 | 5.0 liters |
| new bore size | 4.06 |