What is the cylinder compression for a 1972 455 Pontiac?

The cylinder compression for a 1972 Pontiac 455 engine typically ranges from 8.0:1 to 8.5:1, depending on the specific model and configuration. This compression ratio is designed to accommodate the fuel quality available during that era while providing a good balance of power and efficiency. It's important to check the specific engine's specifications, as variations may occur based on factory options and modifications.