Your truck looks sick!
Schematics? Who's cam is it?
I think you just have to know the stock and new firing order and move a couple injector wires in the harness accordingly?
Here's a question I had a while back and never asked...
If you're running a balanced set of injectors, numbered for the cylinder, and swap to an alternate firing cam, don't you have to move the physical injector to the new hole, as well?
It's socals cam
I couldn't answer your question about the balanced injectors.