im running a cadence ultradrive 7000z which is 1,500watts@1.OHM stable... right now its feed with a 4g. power wire and a 80 amp fuse, well the fuse holder is old and the fuse is lose in there so i wanna order i new one, question is 80 amp fuse good enough or what do i need? and wants a good fuse holder i can get from amazon or ebay? thanks!!!