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adding brake booster
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71fastback



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    Post: #1
    adding brake booster

    I have manual front disk brakes on my 71 and I was thinking about adding a brake booster. Has anyone ever done this before? Is it as easy as buying a new master cylinder and brake booster combo?
    Offline 01-09-2011 03:17 PM
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    72HCODE


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      Post: #2
      RE: adding brake booster

      no you need a different pedal assembly for the brake when using automatic brakes. you also need a different proportioning valve.

      i know I'm missing something else. the brake lines would need to be reworked, the new booster should come with the adjustable shaft and seals, you will need a brake vacuum booster one way valve, you may need to find a correct firewall rubber boot seal for the booster, but i know I'm forgetting something else you need.
      Offline 01-09-2011 03:42 PM
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      jorgem2



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        Post: #3
        RE: adding brake booster

        I recently posted that I wanted to do the opposite and convert to manual brakes, maybe we can swap my power brake setup to your manual brake.
        Offline 01-09-2011 06:29 PM
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        71fastback



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          Post: #4
          RE: adding brake booster

          (01-09-2011 06:29 PM)jorgem2 Wrote:  I recently posted that I wanted to do the opposite and convert to manual brakes, maybe we can swap my power brake setup to your manual brake.

          If I do eventually make the change, it will be awhile down the road. I have a few other projects that need to come first.
          Offline 01-09-2011 07:17 PM
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          Tnfastbk



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            Post: #5
            RE: adding brake booster

            (01-09-2011 06:29 PM)jorgem2 Wrote:  I recently posted that I wanted to do the opposite and convert to manual brakes, maybe we can swap my power brake setup to your manual brake.

            Jorgem, you are not going to take the easy way out on this one are you.Big Grin
            Offline 01-10-2011 06:13 PM
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            jorgem2



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              Post: #6
              RE: adding brake booster

              I dont know the easy way yet, but I got to do something my power brakes are scary stiff. I may try a vaccum canister to see if it helps.
              Offline 01-10-2011 06:27 PM
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              Tnfastbk



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                Post: #7
                RE: adding brake booster

                LOL good luck. Going fast is cool but stopping is a must.
                Offline 01-10-2011 07:33 PM
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                droptop73


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                  Post: #8
                  RE: adding brake booster

                  (01-10-2011 06:27 PM)jorgem2 Wrote:  I dont know the easy way yet, but I got to do something my power brakes are scary stiff. I may try a vaccum canister to see if it helps.

                  How much vacuum do you have? A lack of vacuum can cause a stiff pedal and no pressure.
                  Offline 01-10-2011 08:41 PM
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                  72HCODE


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                    Post: #9
                    RE: adding brake booster

                    he has a wild cam and so his engine makes very little vacuum to drive accessories like the brake booster
                    Offline 01-10-2011 09:13 PM
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                      Post: #10
                      RE: adding brake booster

                      a vacuum assist should be the next thing you'd be ordering from summit. i think there is even electrical ones!
                      01-11-2011 02:00 AM
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