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If your getting knock high you should try lowering the D loop.
How did you set your nock point? Your rest shouldnt be up all the way unless you nock point is to high. Check it again cause it sounds like your way out and your heads arnt going to fly right tell you get it set right. Look at the holes your rest bolts too does you arrow set level with it or is it above ?
If your points are hitting on center, and your broadheads are shooting up and to the right "I have a reason to believe they are" "LOWER" your nocking point, and reduce your draw weight slightly. Lower it about half a turn on both screws and then try shots again. Reduce D/W untill your broadheads match up. I just had to do this recently.