In Reply to: Re: New Plugs Running Rough posted by Rick Gowdy on July 26, 2017 at 16:46:49:
Point gap could be too wide if you filed them and did not gap them. Breaking up at high rpm is a sign of gap too wide. I would also look at the plugs and see how they look after a short time of running. That will also give you a chance to check their gap.