Quote: Originally Posted by SXTSpeed
No offense but that is a noob question

Its cool though.
Knock is what happens in the engine when you use fuel that has a lower octane rating. It makes a knocking kind of noise in the engine and it can cause damage. Knock is usually seen when high performance engines use regular or medium grade gas
So then what happens if you always used a high rating gas and hear knocks...
Could the knocking be caused be something eles...