Alt. Hookup motor plate

I'm trying to hookup alt with a motor plate and about to pull remaining hair. Using a SW small block plate, in a 67dart. how much of the plate can I remove without getting into trouble? maybe one of you have had this happen. What did you do. Pic would helpful. going to try and 120 amp denso alt. Mopar alt just to big without cutting plate . Thanks for your help
Are you trying to put it in the stock location? I have seen quite a few people relocate the alternator to the lower portion of the timing cover.