i have a 73 impala Havent got alt. or batteries yet heard alot about mechman alts and xspower batteries. I already have 2 rf T2 d4 15s a t2500-1bd + 2 t600-4s + 6 t1 6x9s + 10 t1 6 1/2s and stinger 0gauge wire for big 3 and amps. Which alternator and which battery or batteries. Not really for comp. just something to pull out and show off every now and then. Thanks for help.