Gary,

The only thing knocking back there is my CV joint in right-hand turns and
occasionally I knock my g-friend's boots.

Boohoohaahahahaha!

It's Friday!

Chris.

>Chris,
>     If your van is knocking on regular and you add a
>higher octane and it stops knocking what does this
>tell you about your combustion chamber?   If your van
>is not knocking on regular, burn regular and save your
>money for better things like something to clean your
>fuel injectors because higher octane is something that
>takes most of us to the cleaners.   happy new
>years,gary