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Reply to "looking for updraded front brakes (Wilwood)?"

Updating the fronts without updating the rears is not recommended. It doesn't address the core problems which are (1) very poor rear brakes AND (2) a proportioning valve in the front circuit instead of the rear circuit.

No matter how strong of a front brake system you install, it will be limited by that proportioning valve in the front circuit. The proportioning valve was installed because the front rotors were unventilated and/or to better balance the front brakes with the weak rear brakes.

To upgrade the brakes you have to address the proportioning valve. The "best bang for the buck" upgrade includes:

  • ventilated front rotors
  • removal of the proportioning valve
  • replacement rear brakes from SACC Restorations (Wilwood)


If you go with larger diameter rotors, it makes a future return to the stock 15" wheels more difficult. So if you're going to replace the brakes entirely I'd suggest going in one of two directions:

  • Use 12.19" diameter rotors (the largest rotors that fit in a 15" wheel)
  • Or keep all the parts you remove.


Frankly 12.19" rotors were used in Indy cars for a long time. They are more than enough for the street. Food for thought.
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