i have an 1986 chevy monte carlo ss the stock alt is only 70amps and the biggest h.o alt i can get locally is 130amp. i have two amps,hifonics xx hercules and xx olympus 2000 wrms and 1000 wrms.havent deciced on subs yet,but if i get that 130amp h.o alt and two optima batteries would this work? or what should i do?plz advise thanks