Curious, did you replace your decals on the spinning discs? Did you find replacements with the correct 'grippy' texture?
Somewhere, I have a set with the artwork correct, but no 'grippy' finish. If you found a supplier who has the correct decals, please share your source, as I need a set.
John
http://pinballpromos.com/I brought mine from Gerry and they work really well, correct texture and colours