will this work

[oldno7]

I have a c-30 dully and the other day i ran across a k-30 85 gmc so im wanting to make me a 67 k-30 what will my issues be the 85 k-30 s wheel base is 131.5 and the 67 dully is 133. Im just going to put a flat bed on the back so just cab and front will need to be put on the 85. I dont think the 1.5 inch diff is a big deal i no i will have to make my own cab mounts is that the just of it