Joe,
What you're describing is typical over/under of a ball too strong or too weak for the oil pattern. I wonder if you just tried to use it on too much oil, with too much dry to the outside. I think its forte is when the lanes are old wood and the starting oil pattern is medium-light or lighter and then there's a 2nd shift.
My former house meets those criteria in spades!
As far as I have seen, this is not one of powerfull hitting balls. It's one that allows you to get to the pocket on tough conditions. It has never sent pins flying, but it often does the job when nothing else will or can.
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"None are so blind as those who will not see."