Originally Posted by Glowgeek

I'm always up for trying new things to make my 4 strokes run better. So far I've tried Fox Miracle, Enya #4, Merlin 9006, Saito SS and OS-F plugs. Can't see a nickel's worth of difference in how they perform with my 15% fuel. Perhaps if I was running no nitro or high nitro I would have seen a difference?
These days I just run the OS-F plugs, easy to get, run great and last seemingly forever when installed after the intial break in period is over. I would like to try a Glowdevil at some point though.