Knock Detection

[Ken Mayer]

On Thu, 6 Nov 1997 sdelanty at sonic.net wrote:

> >Fred, when you refer to "edges", are you referring to the edges of the
> >combustion chamber that meet the head gasket?  Or, possibly any areas of the
> >combustion chamber that might not have a smooth radius but maybe a 90 degree
> >angle?
> >
> >I am interested in port and polishing my heads in the future and would like
> >to learn as much about this as possible.
> 
>   One place especially to look for is plug threads.
>   Torque Your favorite brand of plug into the chamber and see if there
>   are any exposed threads in the head... Remove as necessary.

Huh?  There is no unburned fuel near the spark plug when the knock occurs.
The plug has already ignited it and the flame front is some distance away.

Ken
:-)