I tried asking in Quicks once - no helpful advice.
I have no idea what the relationship is, but given that I'm 2 spines & 25Gr off the table recommendation that may not be a surprise.
Get some heavier points & try for yourself I suppose: If you're not able to tune your current shafts with heavy enough points (i.e. they're too weak) then you need some stiffer ones.
HTH
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