Good reading! I just bought a 15k gvw 5er with 6k axles. If the 12x2 brakes are as bad on this next 5er as they were on the previous 5er, I will put on discs. I've had and used double flaring tools for 40+ yrs. so I will make as many hard hookups as possible. I have a Jordan and it responds whichever way I adjust it. Right now I have the trailer leading the truck a little bit which should be ideal if there really is some lag with disc actuators. I would MUCH rather have good disc brakes with 1 second delay than terrible drum brakes with instant response. That doesn't even seem to be worth arguing over if the rv already has lousy drum brakes... what is there to lose? FWIW, the tiny wires in the axle that go to the other side IS a weak point. Enough that the brakes fed by that tiny wire, on my 5er, had very visibly less wear than the shoes on the side with the power. Adding another wire down the other side, increasing, and perfectly equalizing the volts/amps to all 4 magnets made very little improvement. I would use Kodiak disc/calipers for the savings/parts availability but what's the difference in the disc actuator brands? Does the trailer brake circuit with a disc actuator have as much load as with drum/magnets or is it (hopefully) lower? Automotive disc calipers have dust boots over the pins to keep them clean and lubed. Don't the rv calipers have them? Craig