Randy lists 5 plugs for his engines...I've been using only the Thunderbolt R/C long...anybody using the remaining four
and your results ? ....Enya #3 or #4 / Glo-devil #300 / Merlin / 4 cycle plugs /

Randy lists 5 plugs for his engines...I've been using only the Thunderbolt R/C long...anybody using the remaining four
and your results ? ....Enya #3 or #4 / Glo-devil #300 / Merlin / 4 cycle plugs /

  I have pretty much only used the Thunderbolt 4-cycle plug for many years now. The R/C plug works OK Ted found that the 4-cycle generally gives a little more "power" and that has been my experience as well.   I ran the Glo-Devil #300 for years in the 40VF, and it works OK in the PA61. The Enya #3 works fine but is no better than the Thunderbolt 4-Cycle and it costs 3x as much (and also has to have the electrode ground down to work with my starter battery). I ran the Merlin for about a day and it ran OK but my battery would not stay attached.

    Brett

Another very good plug is the T-Bolt  BIG BORE 2 and 4 cycle, It works very well in many other motors too

Randy

This is what I have been using for the past year or two, I like it.

Derek