im not converting id be upgrading. getting a big16g not making my 14b into one. and the 255 and 550's are in the plans with the big16g not or the b16g. the fmic would have to wait alittle longer though. so i guess what im asking is 14b,fmic,walbro255,550's, gm translator or big 16g,255,550's,gm treanslator,NO fmic?