What do I need?

[72kool]

I'm not trying to be a broken record,but I don't trust myself to say I've thought of everything. Quick story,I pulled engine to do a refresh on it and it needs for machine work. Bored out, and everything. With the cost and this going to be my daily driver, even though I was against it for a long time, I'm considering going ahead with an ls swap. I never wanted the electronics and to follow the masses,but only a fool denies truth in front of his face. Ls is a better engine in most cases.
.so my questions are, where is the most detailed list posted?

And where can I get the best deals for what I need?

I'm trying to figure out if I can fit an ls swap in my tight budget. I can get a good engine for cheap here so I'm looking strictly at cost of everything else. Engine mounts, tanks, fuel supply, ecm conversion, etc. How cheap can I do this?

It's going in my 72 c20 and would like a 6.0 but I know. 5 3 would be just fine for what I do. Is there anything that would be different in the swaps between using a 6.0 or 5 3 aside from the actual engines themselves? Thanks for all the help