Speedster - it would be interesting to know what happened to your fellow club members' engines. Do let us know when you find out.

Dar, if I'd followed OS's guide on plugs to the letter, I wouldn't have discovered how well the OS Type F works in some two strokes (examples: my Jett .90 and a buddy's GMS 1.20). If possible, I like to try two or three different plugs in a particular application just to satisfy my curiousity.