What would you do if you were me at this point in my build???

[Chris04]

Hey guys, I have been working on my 70 c10 now for awhile and have accepted the fact that I want it done right no matter how long it takes so I'm
Starting from the bottom up so far I have removed bed, front clip, and cab so all I have is rolling chassis with the stock 350 and 3 speed manual trans which I will be removing next in order to sandblast the frame completely. I have decided I want to do away with manual trans and go to a automatic and I would love to do a ls swap maybe a 5.3l. but decided awhile back not to do to the fact it prob wouldn't be a easy conversion, but now that I have completely removed all the wiring harnesses from the truck I was thinking it might be pretty easy to do
The ls swap since I'm starting from scratch I'm just worried about it being a hassle to convert to fuel injected or I thought about going carbureted on the 5.3l if it was easier, so what do y'all think and will the 4l60e trans work or will it require a lot of modification, I'm very new to these trucks I just didn't know if they make swap harness kits or what for the ls engines, any help is appreciated, I just figured if I was going to have to install a auto trans why not go ahead and get a 5.3 with trans I have seen some good deals on the package, thanks guys

Chris