Rob it was me enquiring about transfer box fitting.
As it was I fitted the input gear first and then fitted the transferbox. Went on easy enough using some long studs and a strong mate to lift the transferbox box into place while I twiddles with me flanges
I had bought a new coupling shaft for the ZF as I was supposed to be getting a 1.4 ratio box with cross drilled input gear but as that fell through I just fitted the 1.222 box with the original gear. I will see how well the V8 pulls the 1.222 box on 33's and may go for a 1.4 box in the end. I belive there is 100k on the ZF and transferbox I fitted and yet there is is no noticable wear on the splines on either the coupling shaft or the input gear. Still it's easy enough to change them both if/when required if the input gear can be removed /replaced in-situ.