Another approach to this would be to get a converter from an RV shop that sells or rents European trailers, that is designed for the other trailer wiring situation:
A conventional tow vehicle with combined brake and turn lights, that is pulling a European trailer with separated brake and turn...
The two-piece Performance Friction rotors that I have had for several years now in front, look very good on their face, and have never been touched since installation. No drilling or slotting. I have not seen any comments about thee 'E-line' rotors before.
That is correct on all the dually (DRW) SuperDuty 350 having Dana 80 rear ends.
Before 2002, the SRW 4x4 Excursion and Super Duty F250/350 have a Dana 50 front with Ford Sterling/Visteon 10.5" rear.
In 2002 they changed over to Dana 60 front and Dana 80 rear.