You saved the engine and killed every mosquito in the neighborhood?
Sounds like things haven't worked out too badly at all. Glad to hear it.
This is almost "water under the bridge" but I've always had the impression that if you tilt a four-stroke too much, then the oil pump is sucking air. I suppose the small engines might not even have a true pump, but they'll have some method of getting the oil up to the top. Modern weed-eater four strokes apparently have some method of counter-acting this. So it might not be a big concern in the future. But anyone who considers mounting in an unconventional way should heed Dax's advice to be absolutely sure of what you have.