Here's where I ended up having the best tune most of the time.
My idle gap is around .75mm measured by using a 1.5mm hex wrench and setting it to the center of said wrench.
HSN is 2 1/2 - 2 1/4 turns out depending on weather.
LSN is 3 1/8 turns out and usually not touched much at all.
Byrons 30% Nitro, 11% Oil Fuel.
Stock head shims, glow plug is Odonnell 97T (Medium), or 77T (Hot) depending on weather. (Hot in cooler weather of course)