i'm running a stock alt in my truck. w/ 3kw it drops into the mid 12v range with 2 powermaster d3100's and a g31 blue top.no, 3000 watts is a lot. you are going to need the alt. you cant just use 2 extra batteries with nothing to recharge them.
lol, i'm not here to pick a fight //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gifoh crap here we go lol. how many amp alternator do i need