Originally Posted by F-BIRD'88
I call BS. While the article covers static compression ratio and fuel octane, spark timing and air-fuel ratio, it does nothing to address dynamic compression ratio. If you were to go solely on the information presented, it would seem not to matter the closing point of the intake valve, so that a cam that closed the intake at 20 degrees ABDC would return the same results as a cam that closed the intake valve at 60 degrees ABDC. Again, I call double BS.