Quote:
Originally Posted by blykins
You are correct. You were lean at the top of the idle circuit. IAB's control lean/rich at that area. You richened that circuit up (smaller hole, less air) and it got worse.
We have introduced an additional problem, but still didn't fix the initial problem, right?
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Brent, let's just suppose that Grubby's problem is
not fixable by changing/adjusting the carb. And, remembering that the highest vacuum reading he could muster was 7", what scenario would result in the conditions he's seeing and be consistent with the low vac readings?