Originally Posted by JjCoDeX75
Right - I think I have it - In Jamesspeak, if the compression ratio is higher, then the fuel is compressed more. There is a point where that compression leads to knocking as you efectively cand retard the ign enough to compensate ???
JJ
Kind of, but bear in mind that its more about the burn, and the extra gas that releases and how that interacts with the compression ratio, even at 20:1 you wouldnt see det from comrpession alone.