ok you guys, i saw that mod on this web site where it teaches you how to weld your 14 bolt and give it locked differentials. well it got me to thinking and i want to do that to my blazer. but i have never hurd of 14 bolt . i think that mine is 12 i got 1/2 tone axle and 6 lugs on each side so i guess me real question is will that welding work on mine and will i use the same welding spots and stuff , thanks if you guys can get back to me.