As Griffithds said it will depend if you have enough room in the slots of the head shell to compensate for the distance lost.
Also if you use an arc protractor it will need to be one that is for use at the same pivot to spindle distance as you have mounted your tonearm at. Otherwise it will be way off. What type of protractor are you going to use?
Also if you use an arc protractor it will need to be one that is for use at the same pivot to spindle distance as you have mounted your tonearm at. Otherwise it will be way off. What type of protractor are you going to use?