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Author Topic: How to tweak brake force distribution  (Read 420 times)
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yanone
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Location: Amman, Jordan


« on: May 22, 2017, 01:59:58 AM »

Hi everyone,

I'm restoring a 180B station wagon.
The car is very light in the back and the rear wheels block when braking. How do I go about distributing more brake force to the front wheels? This is a field I've never touched before.

Thank you so much.
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Bluebird68
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Location: melbourne


« Reply #1 on: May 22, 2017, 03:01:44 AM »

With a willwood brake proportioning valve fitted to rear line in engine bay for ease of adjustment. Reduces rear line preasure while front remains unchanged.
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Puzzigully
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Location: Shepparton


« Reply #2 on: May 22, 2017, 05:22:57 PM »

    Agree with the above post.
    One of the easiest solutions.
    The only down side is all you are doing is reducing the rear braking efficiency, not increasing the front.

    Another option may be investigating a way to increase the front braking efficiency:
    - different (better) compound pads
    - better calipers
    - larger/ventilated discs for the front.[/li]
are places to start

Another, more complex and expensive solution is to install a brake balance bar, but for this you will need twin master cylinders, different pedals etc etc.
But then you will also probably go down the above path anyway (calipers, pads etc)

Probably its a toss up between the proportioning valve and the improved pad material for the front that would be the cheapest and easiest place to start.

Personally, I'd try to improve the front first.
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