Barry,
This is for you and others who may read it, but it's no criticism.
That 4000 Abrlaon pad was probably worn beyond its usability point. Unless you use it to apply polish, the result of using a 4000 Abralon pad will not look polished UNLESS the abrasive has been worn to a higher grit level than 4000 FEPA grit. It always has "dullness" or matte appearance. So the ball reaction was probably slight flippier and slightly more susceptible to carrydown than a true 4000 grit Abralon finish. I have seen this more than a fewtimes. When I see a shine from a 4000 Abralon pad, I know I used it beyond its expected life. Time for a fresh one and to re-do the ball.
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"None are so blind as those who will not see."