I am in the middle of a complete refit of my 81's brake system. New calipers, new hoses, new hard lines, new master cylinder, all that stuff is pretty straight-forward, and Napa or Autozone has what I need.
I can't find the Brake Pressure Differential Valve anywhere for reasonable $$ though. I mean, if I can get an entire master cylinder from Autozone for less than $30, I'd figure that the BPDV would be about that much too. They don't even have one! Neither does Napa, and I looked though their entire Brakes book. Bronco Graveyard has them, new OEM, for a couple hundred. WTF?
Basically, everything on the whole truck is so rusty that if you want to replace one bit, you have to do everything attached to it at the same time. All the connections (and body) to the BPDV are rusty and let grit fall into the compression fittings, meaning I can't get good seal. My only other option is to remove it and beadblast it (or something), and hope it all goes back together.
I can't find the Brake Pressure Differential Valve anywhere for reasonable $$ though. I mean, if I can get an entire master cylinder from Autozone for less than $30, I'd figure that the BPDV would be about that much too. They don't even have one! Neither does Napa, and I looked though their entire Brakes book. Bronco Graveyard has them, new OEM, for a couple hundred. WTF?
Basically, everything on the whole truck is so rusty that if you want to replace one bit, you have to do everything attached to it at the same time. All the connections (and body) to the BPDV are rusty and let grit fall into the compression fittings, meaning I can't get good seal. My only other option is to remove it and beadblast it (or something), and hope it all goes back together.