"You want to be flying, not fussing! "

Amen to that! IN my 20 years plus I fussed with Super Tigers and one K&B. I never had a problem with OS..., ever. I only fly gas and electric now, but if I would go back to nitro (.40 size) I would go back to a OS FX...

Some people like to fuss with powerplants, and love the challenge of getting one good run out of 10, and become experts in landing all over the place. As long as you are having fun this way, it is OK, go for it.
Me, I loved to run one fuel tank at home (on a new motor), go to the fled, and break the thing in in flight. I really loved those OS 40/46...

Good luck and remember, life is short, and out time at the field is very very short, use wisely:-)

Gerry