Originally posted by InitialD
Ambient temps where I run are about the same as yours. But I would think we have more humidity here than where you are.
I run a No. 6TF on my NovaMax engine with 25% nitro. I add 0.1 mm copper shim to stock aluminum one (total is 0.4 mm). Sings very well. You could take a peek at Motorman's engine tuning guide. Use a plug which gives you the best performance.
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