Originally Posted by Summers22
That is stupid. But just in case I may be totally wrong, try it and report back. Melted porcelain in a cylinder can not have good short term or long term effects.
You won't have any melted porcelain in the cylinder... There's no spark...
But to the OP, I think a lot of people tried this method years ago. I don't remember or haven't heard of it actually working. Too much risk in damaging valves with a bunch of unburnt fuel for me to try it.