im starting to look for a 14 bolt ff rear axle and was going to do some junkyard shopping. i have an 88 k5 and wanted to know what year and type of truck to look for to get a 14 bolt from. also what other stuff do i need from the donor truck, brake lines, e-brake cable, ect. when doing the axle swap do i need to change the location of spring perches and shock mounts of can i leave them in the same place? thanks.