The paper or the plug used was already blown out due the previous compresion stroke by then
which is the goal on this
Once again, come on! I have made it many times! And the paper ball has being bever sucked in! It is of course a bit bigger than the hole and even being able to, somehow, get threated into the hole
This is allmost becoming like the eternal ammeter/alt upgrade discussion... LOL, for lot of guys I'm crazy and I'm using my imagination inventing everything LOL