fuzionrolla

i have two kicker L-5's in a custom box they have hit 140.7 before with an 800 watt amp i upgraded the amp now what i would like to know is specific things i need to know and how do i figure out what class i can run in ? and where can i get a hold of a IASCA cd so i can future more hit some deep notes the ones you get get in music ? any help is useful to me thanks in advance