We Test Fit The Alternator First. You will see what material needs to be removed.
In the right side picture, you can see how far the mounting bolt needs to move to align properly

 

 

Here is the bracket with the grinding done. We did this one on the workbench to minimize metal chips on the engine.

 

Finally you can the mounted alternator. Note how we allowed some extra room for the proper mounting and clearance - you don't want any contact with the bracket.