440 timing pinging and popping thru exaust

are you going to time your engine ? OR are you here to start trouble ?
if I were to guess, you are young and wet behind the ears. lol
because most of us OLD DUDES know how to time an engine, pretty basic! lol

Exactly. Look at post number 8. Yet he says no help. Then piles on me and everybody else for not helping. Help is what we ALL did first, before he turned it into a slug fest.