| |
| Head Swap Compression Ratio Table
|
| Compression
Chamber Volumes |
45 |
54.5 |
49.2 |
53.5 |
63 |
58.2 |
60.4 |
69 |
55.4 |
| 221 |
8.7 |
7.6 |
8.2 |
7.7 |
6.9 |
7.3 |
7.1 |
6.4 |
7.5 |
| 260 |
9.9 |
8.7 |
9.3 |
8.8 |
7.9 |
8.3 |
8.1 |
7.4 |
8.6 |
| 63-64 289-2V |
10.2 |
9.0 |
9.6 |
9.1 |
8.2 |
8.6 |
8.4 |
7.7 |
8.9 |
| 65-67 289-2V |
10.6 |
9.3 |
10.0 |
9.4 |
8.7 |
8.9 |
8.7 |
7.9 |
9.2 |
| 64 289-4V |
10.1 |
9.0 |
9.6 |
9.1 |
8.2 |
8.6 |
8.4 |
7.7 |
8.9 |
| 65-67 289-4V |
11.5 |
10.0 |
10.8 |
10.2 |
9.0 |
9.5 |
9.2 |
8.4 |
8.8 |
| 65 HP289 |
12.3 |
10.5 |
11.6 |
10.7 |
9.4 |
10.0 |
9.8 |
8.8 |
10.3 |
| 64-67 HP289 |
12.3 |
10.5 |
11.6 |
10.7 |
9.4 |
10.0 |
9.8 |
8.8 |
10.3 |
| 68-72 302-2V |
11.4 |
10.0 |
10.7 |
10.1 |
9.0 |
9.5 |
9.3 |
8.4 |
9.9 |
| 302-4V |
11.3 |
9.9 |
10.6 |
10.0 |
8.9 |
9.4 |
9.2 |
8.3 |
9.8 |
| 73-76 302-2V |
9.2 |
8.3 |
8.8 |
8.4 |
7.6 |
8.0 |
7.8 |
7.2 |
8.2 |
| 77- 302-2V |
11.2 |
9.8 |
10.5 |
9.9 |
8.8 |
9.3 |
9.1 |
8.4 |
10.3 |
| 351W-4V |
13.2 |
11.5 |
12.4 |
11.7 |
10.4 |
11.0 |
10.7 |
9.7 |
11.3 |
| 69-72 351W-2V |
11.4 |
10.1 |
10.8 |
10.2 |
9.2 |
9.7 |
9.5 |
8.7 |
10.0 |
| 73-76 351W-2V |
10.2 |
9.2 |
9.7 |
9.3 |
8.5 |
8.9 |
8.7 |
8.0 |
9.1 |
| 77- 351W-2V |
10.4 |
9.4 |
9.9 |
9.5 |
8.7 |
9.1 |
8.9 |
8.2 |
10.0 |
| 80- 255 |
10.1 |
8.9 |
9.5 |
10.0 |
8.1 |
8.5 |
8.3 |
7.6 |
8.8 |
| Compression
Chamber Volumes |
45 |
54.5 |
49.2 |
53.5 |
63 |
58.2 |
60.4 |
69 |
55.4 |
Red indicates original cylinder heads for application.
|
