Hey guys,
Like most everyone, I'd heard that switching from 16 back to 15 could increase carry, as it supposedly cuts down on some of the overhitting leaves like 8 and 9 pins. I traded for a used 15lb ball, and even selected a 15 when I bought a new one. I noticed that I was able to turn up the 15lb stuff a little harder than my 16s, and that I had to watch my speed a lot more with the 15s. For me, a stroker, it was harder to just ease through the ball when I was playing straighter lines. However, I found it a bit easier to swing the ball when that was needed. Lastly, I did see a difference in carry, but it was a negative difference. When I hit high flush the carry was the same as with my 16lb stuff, but when I hit light I hardly ever get the mix that I get from 16. Likewise, I also think that you have to be more precise in order to take out the corners. My conclusion is that, for pros and others who can consistently get identical placement in the pocket, lighter can be good. However, for people who are in the pocket, but not in the exact same place every shot, heavier might still be better. I know some very solid and successful bowlers who use lighter weights with much success, but it seemed to hurt me more than it helped. Just my two-cents.
Gene J. Kanak