Rags,
I do not believe that the GN will fit below the H2O, unless you have my ball speed, and even then it probably will not. I guess if you drilled it pin axis maybe, but then again if you drilled the H2O ball for more length or fine sanded it and then polish, it should work. I am only speaking for me, in that my GN would handle what you are talking about, but I throw 17 mph, and had mine polished. I am no expert, and I hope Doug Sterner will chime in, or another L1 expert, but IMHO it should neot go below you H2O.
Dave
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Regardless of what the pins are made of, you can still SAW 'Em Up! Mess with F.O.S. and get CUT like all the rest!!
F.O.S. Members, Our Assignment Should We Choose To Accept It, Polish and Sharpen Up Our Saws; Pins Have Been Spotted, and We Are To Saw 'Em Up!!