You're probably talking about the chart from Group K. The problem is he didn't include BlackJacks in his testing. If you've ever read Harry's articles on carbs, you know he has a negative opinion about annular discharge carbs anyway. I asked Art about that once and he told me that he didn't...
Thats strange, sounds like you did everything right. That said, I've never installed a pump without shims. Seems like it always needs a little shimming.
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