I had my Hoyt at 70# then after I had my shoulder surgery and could start pulling my bow back againg I adjusted it down to 60# I noticed no difference in the way the bow shot, just noticed that I could hold the bow longer at full draw, and felt alot more comftorable about making a shot after holding at full draw for a longer time, wasn't so shaky. I hunt with a couple of buddies that brag about there bows being cranked down to 80# and have also seen them miss nice deer due to fatigue while holding at full draw. I think it is a mental issue more than anything that the more weight you pull the bigger the deer you will shoot!!!! It is just like in the gym a guy that puts up crazy weight with bad form is not going to get as good of results as the guy who is putting up moderate weight with perfect form!!!!