Today I heard it from Tavarish, and before, when I listened to him, Adam Carolla would say the same thing. Whenever someone says this it drives me absolutely buggy. It has the same effect on me as when someone says ‘irregardless’.
It’s pre-ignition or it’s detonation. It is not pre-detonation. There is no such thing as pre-detonation. And pre-ignition and detonation are not the same thing. Don’t say pre-detonation or I will have to smack you. You have been warned...