RE: when to use which glow plugs?
I use an OS#3 in all my 2 stroke engines and i use Omega 10% fuel, and all engines have ran great with this plug from the heat of summer to the cold of winter. The engine i have are:
TT PRO .46
TT PRO .36
TT GP .07
Magnum .15XL
Magnum .15XLS
Magnum .46XLS
OS .40 LA