Here's a guy who converted his Napco front axle to disk brakes. I'm the one who asked the last question about how he has the caliper attached:
http://napco4x4.org/forum/viewtopic.php?f=41&t=507I got all my bearings and seals from a local bearing shop or Napa, and my brake parts from a vintage Studebaker place, and some trunnion shims from the Vintage Powerwagon guys.
My truck is pretty easy to steer with tall skinny tires and a big steering wheel.
