Xontroi.......

I'm curious as to what you are using for the power source for your 'glow igniter'. Is it fully charged? I had some 'plug issues' when I went from our track altitude near 4500' ASL to L.A., closer to sea level. While 'chasing the tune' through the excess heat I incurred, my plug got 'unhappy' and taxed my igniter' to the point I had to go to my more recently charged 'backup'. After I got an excess heat indication on my plug, I did change it but more of my problem was in the igniter power making me think I had another issue. I kept the same heat range plug but found the richer tune I needed for the engine to be happy.