> I'll have to order another set of plugs.  The ones in it are new,
> but it started life running a little on the rich side, so who knows.
I now have 4 sets :(
The plugs are different in the 3rd gen, but I'm finding that they clean and
run well after fine silica blasting. I've blasted them all twice now, and
the engine runs well on the cleaned plugs. We'll see what their longivity is
later.

John (I feel another benign failure coming on...)