Re: 87 1-ton 4x4. What year frames are the same?
I had a crossmember from a 1/2-3/4 ton that I tried in my 1 ton 2wd frame, didn't fit. Also had a parts 1 ton 4wd, measured it inside of frame, same thing as the 1/2-3/4 ton. It's not much, 1/4" I think, but don't have a welder to fix it. I'm gonna try and use the stock 2wd mounts, just need to make a crossmember to tie the frame together. But really need to have the motor in there, being it's a tall deck with the huge pan, need to make sure there is room for movement, dropping the pan, etc.
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2000 GMC CCSB 454/4L80 6” lift SAS
1999 Chevy CCSB 454/NV4500 4” SAS
1999 GMC Yukon 350/4L60 6" SAS
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