Make sure that your BH's spin true on the shaft and I would do walk back tuning rather that the paper tune. If you still get the same results after the walk back tuning, it might be a spine issue with the 55/75 GT. If the spine shows weak, you could cut some off your shaft to make them stiffer.
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09 HCA Speed Pro 29" 70# Gold Tip XT Hunter 28" @560 grains Smoke Ramcats!
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