jadda,

I have virtually flush (if not 1/2 in), on LSN and 4 turns out on HSN. Anything less then 4 turns caused it to run stupidly hot, (200C (400F)!!!![X(][X(]
I'm using 20% fuel but not a OS plug, Its a No7, but not sure what brand, but LHS said fine for cool days, or a No4 for hot days.