Where are you buying your wire and other electrical supplies? I'm about to embark on wiring my 66 Dart. It's a daunting task for sure. Looks like you've got a good start though!
I got 1 gauge summit racing wire for the battery and 6gauge painless wire kit for alternator
And i got race wiring kit from i think it was EZ wiring i’ll send you a photo when i get home and i can send links too