90 amp alt vs nine.1

[m3rK201]

I have eagle 95 talon esi with a 90 amp alt with an optima yellow top, and wondering am i hurting my alt in any way ? My lights barely dim btw..

(side note)
ED nine.1 is an awsome amp ! 3 hours of heavy bumpin at 1 ohm and didnt evin get warm!!! :D