Quote Originally Posted by ChaosMaster View Post
One thing you may want to note, as mentioned in my earlier post, the K24 will change it's compression (or a:f as it's linked) to match that of the fuel, and prevent knock. With E10, the engine will put more fuel in (or run lower ratio), meaning that even though E10 has a lower RON, the extra fuel would prevent any knock/ping anyways.
Say what?

No it doesnt. It cant.

When the ecu senses detonation through the knock sensor, it pulls out ignition timing, and richens the mixture up.