Bought a door lock computer and a JDM wiring diagram on yahoo auctions via buyee, which has been great to help ship parts from Japan.
I brought the new stainless tubes to the radiator shop today to have them brazed to the copper end tank. The radiator shop is using the basis of a Ford heater core, similar to this:
They took the tubes off and replaced with new longer tubes I had made of stainless steel which follow the factory aluminum tubes path.