Ford Racing 10 Rib/alternator Fix

[prn1972]

So I hear the 10 rib setup will throw belts because the alternator bracket flexes or something. Can't find any real information on it. Supposedly Evolution had a bracket to fix the problem. Can't find anything on their site. There is suppose to be a way to bolt the alternator down better to fix the problem also. Does anyone have any information on this? Also heard of a smaller alternator pulley. The one with the 10 rib is huge. Wondering if it will cause charging problems.