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Re: New Bosch plugs

Todd Young <tyoung@wamnet.com> wrote:
> Ken Keith wrote:
> > Todd Young <tyoung@wamnet.com> wrote:
> > >
> > > I remember putting a set of Bosch platinum plugs <snip> 
> > > The center electrodes on the platinum plugs were burned down into 
> > > the insulator, <snip>
> >
> > Do you remember what they looked like new?  Back when I was in my "Bosch
> > Platinum Stage", I remember noticing that the electrode did not protrude
> > beyond the insulation at all.
> Key words "burned down into".

Ah so!  That's pretty worn out!  I don't think conventional plugs would 
have fared so well.

The spark was probably travelling along carbon traces up the hole to the 
gap.  A regular plug would have a larger air gap from the same type of 
wear, IMO.  (mandatory shrug of ignorance)