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Thread: Residual Pressure - after Brake Proportioning Valve

  1. #21
    Quote Originally Posted by gled49 View Post
    I assume you have a condition with too much rear brake, as no proportioning valve can add rear brake pressure.
    I have a 914 with a 3.0l engine from a 911 sc. Boxster front/rear brake calipers. Just updated the rear, had 914/6 rear calipers But the brake ratio was to much to the front. Want a proportion valve so I Can adjust depending what track I am at.

    https://youtu.be/6OsJPi-hUgI

  2. #22
    Member #226 R Gruppe Life Member #147
    Join Date
    Feb 2009
    Location
    Portland, Oregon
    Posts
    2,355
    With a different rear caliper that creates more rear brake pressure, a proportioning valve will be your friend.

  3. #23
    Quote Originally Posted by uai View Post
    Yes, this one- required a larger hole and the threads of the tube need to be longer but it really works well.
    https://www.isa-racing.com/fahrzeugt...rehknopf?c=465
    Installed the AP valve and everything works as it should!
    Thanks!

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