Good to know - thanks Ando.
I'll have to check around for a newer on/off top to put in my older valve until I can get an RT on/off for it.
That makes sense for the machining - wasn't thinking flow from hole to hole (obviously), I was thinking increasing the chamber size for some reason.
--Automags and VM-68s...
to the old Skool
I may be new here, but I'm not new to the sport. My feedback