Originally Posted by
cossie500
Just put the denso ik31's in my stage 3 sapph, dont want any engine failure, is the tip breakage common?
Ive had to adjust them already as the spark was getting blown out at 0.65mm, now set to 0.6mm with no problems.
The spark does not get blown out, the resistance of the air/fuel ratio is too high for the spark to cross
