I couldn't agree more Brian. I do use modern plugs, but only Bosch ones, because of the poor experiences I have had with Champion and especially NGK. I use the old Lodge plugs for exhibition purposes - and as the backup spares in the toolbox for when the modern plugs go down.
36 4G, 37 VH, 54 KH(A), 75 Healey 1000/4, 52/53 ex ISDT KHA (project).
Former Machine Registrar & Archivist, General Secretary and Single Spares Organiser (over a 25 year period).
Now Archivist once more - but not Machine Registrar.