| compression ratio → ReceivesAction → increased | 0.68 | |
| compression ratio → ReceivesAction → changed | 0.51 | |
| compression ratio → ReceivesAction → needed for turbocharged spark-i… | 0.29 | |
| compression ratio → ReceivesAction → described as 1000:100 | 0.25 | |
| compression ratio → ReceivesAction → increased to 11 | 0.25 | |
| compression ratio → ReceivesAction → retained | 0.25 | |
| compression ratio → ReceivesAction → achieved with diesel engines | 0.16 |