Re: 4x4 axle swaps?
I used the rear spring and shackle hangers off the 76 3/4ton that the axels came from. The frame rails are the same distance apart, and the hangers are wider. They are also much beefier than the stock ones on my 72 c10. I bolted them to the frame with 7/16" grade-8 bolts. I used the stock 76 3/4 ton springs also, so I now have 56" rear springs, and it gave me about 3" of lift with no blocks. It turned out great, and I just had to move the one shock mount.
In the front I used the 76 front cross member with all the sway bar hardware. It doesn't fit the old mounting holes, but I just put the whole thing all together, clamped it in the frame, and drilled new holes. It sits just a tad foreword of where the stock one was. The whole project was fairly easy, even though I had to grind and drill all the rivets. I could have used a cutting torch, but I didn't want to bugger up the holes. All in all not too difficult though.
Jimi
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