Well we weren't 100%, not even close. June feels like a distant memory.
Long story short, 2 shops that couldn't resolve, many parts (and many $) later, finally on the water as of Sept. 12th.
I believe root cause was the now obsolete high pressure fuel pump all along, and while some maintenance items were helpful, a lot of parts ended up being thrown at the problem by marine professionals that didn't solve the issue.
Ron's kit, MEF-0021 solved the issue thus far:
https://www.skiboatpartsonline.com/index.php?route=product/product&path=25_113&product_id=469
