1970 | Bore (in) | Stroke (in) | Top HP*/RPM | Top Torque/RPM | Compression |
---|---|---|---|---|---|
Olds 455 | 4.125 | 4.25 | 400/4800 | 510/3000 | 10.25 |
>>Hi-Po | 370/5200 | 500/3600 | 10.50 | ||
Buick 455 | 4.313 | 3.90 | 370/4600 | 510/2800 | 10.00 |
>>Hi-Po | 360/4600 | 510/2800 | 10.50 | ||
Pontiac 455** | 4.152 | 4.21 | 370/4600 | 500/3100 | 10.25 |
>>Hi-Po** | 360/4300 | 500/2700 | 10.25 |