Wiring solutions

Best conduit I’ve found and used is Painless ClassicBraid Wire Wrap 70970 - split style so easy to apply and reapply with a nice, non plastic look.
Fred, your plan sounds exactly like what I want to do. Battery in the trunk, hidden wires, bulkhead connector delete, etc. Do please post back so we can follow along with your solution!
I got a restoration trend going and you bet will post it there. Gonna check on what Cal Tonsley suggested that look great.