Here are some pictures of my plugs.

All of my plugs wore very well. I was especially surprised to see the low wear on the beryllium-copper plugs. Nice job of replicating to Robin David.

Greg

far left is the nickel plug with 750 miles, an unused beryllium-copper, 4 be-cu's with 1,400 VexUs miles of on them


close-up of the unused beryllium-copper plug and some of the used ones


close-up of the nickel plug