wow. The question is like what car will fit my tires or if a V8 is a good size.
arrows all over is usually 2 things. Spine, and nock height.
I would address nock height first. Start by moving it up a bit at a time to eliminate the up down part of the spread or down, depending on what happened.
Spine will show as shooting left or right of center. If you are right hand, hitting right of center is weak spine unless you are massively stiff and getting a false weak showing. Hitting left is stiff . {opposite for left hand shooter.
Correct weak spine by adding thickness to the side plate , and or lighter points and or shortening the shaft as a last resort .
Correct stiff spine with heavier points, thinner strike plate .
Brace height can help in fine tuning.
I don't use alloy shafts and am not much help in if the ones you have will be stiff or weak. Usually alloy arrows do not respond well with very heavy points, carbons recover faster and do respond well.
As to what weight bow will work there is no answer. Each bow has different performance, a flat head Ford is not the same as Hemi, but both are a V8.
String type has a big effect, amount of center cut has a big effect.
Look for a contact when you shoot, is it hitting the shelf, side plate? making a noise??
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