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proportioning valve

  1. Vintage Mustang Forum
    I have a 68 with a 289 that was previously an automatic, which I recently converted to a 5 speed. While doing the conversion, I had to remove the brake master cylinder and the power brake booster to get the hydraulic clutch in. The car has factory disc brakes. I also had Midlife rebuild my...
  2. Vintage Mustang Forum
    Ok brake experts, I’m stumped. I just replaced my factory front drums with wilwood 4 piston disc kit, staying manual. I also have a new dual bowl manual drum/drum master cylinder that I’ll be installing, replacing the identical factory dual bowl MC. Do I need to also add a proportioning valve...