Opinions needed

[theoneandonly]

I am going to place my order with Kert from DIY4x4 around the end of the month for the shackle flip and FGB52 kit. I have a 78 K10 that I will be taking parts from if I need them but I am looking for 1 ton or at least 3/4 ton running gear. I also have a 700r4 in my 67 now. Here is my problem. I have a th350 and tcase I could pull from the K10 but I like the steep 1st gear and overdrive of the 700. Would it be smarter to pull the 700 for the 350 or source a divorced tcase and leave the 700 in place? I already have to get driveshafts made so a small one for the divorced tcase wont be much but I dont know if the 700 will hold up. I dont plan on abusing my truck no hard core wheeling but I want to do it right the first time. What do you guys think?