I use 95 with everything. .
No doubt I lose track of time (fresh/freshish ) and half filling a large tank plus almost 74
Will try a smaller quantity of high octane with oil I purchased abt 20 years ago at Sussex .
It's actually a few million years older than me
Not being mechanical I didn't know the connection between rings and smoke as my many putt putt 2 strokes had two rings
I shall wait for a windy day -hope you can make it
Do trust your new circumstances are still going well .