Refurbed and sold a 1952 Twenty Grand. The bumpers have a graphite ring / spike system for scoring. Rather than the typical spike in spoon system of modern games. The buyer is having a small problem with the spike / ring getting out of alignment on a couple bumpers. Is this typical and just essentially a result of a bad design, which was abandoned for pretty much this reason. Is there something that can be done to keep these in alignment better? Or is it better just to replace them all with the modern style? There are 8 of these on the game. Two pop, and six dead bumpers.

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Thanks for the advice. Had a replacement ring for one of them and used it. The spike was shot. So on the advice of Steve Young, used a small nail and that worked well. But another is now out of alignment, so can see that converting may be the only answer.

That might be a good idea. W home use the copper would probably last quite a while.

Thanks

Nice, great idea.