The stock valve adjustment does 4 valves at a time. (2 adjustments)
You may want to try 4 adjustments (2 valves per adjustment) were you do each cylinder individually at TDC when both valves are closed.
Hmmmm.... I'm not sure what that will do and why?
![I Dunno... :dunno:](https://board.marlincrawler.com/Smileys/marlin/dunno.gif)
Gnarls.
![In The Dark :inthedark:](https://board.marlincrawler.com/Smileys/marlin/inthedark.gif)