[WardL]

For what it is worth, I got my story backwards, at full throttle the vacuum would be low in the intake manifold and at idle the vacuum would be high. I still agree with most that they should be plugged temporarily to see what what happens, then when nothing noticeable happens, plug them permanently. Think about it, 99% of our carbs don't have the holes and they run fine. What else could be different with this carb to require the little holes?