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    <p>As in many cars of the period and even later. Same on my 1974
      Jensen-Healey. I fitted even smaller cylinders at the rear and
      increased braking force by at least 25% by fitting 4-piston
      callipers and grooved discs.</p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 27-8-2019 om 18:36 schreef Stephen
      Hutchings:<br>
    </div>
    <blockquote type="cite"
      cite="mid:823D22FA-9F3D-4CA3-9437-E7CDB9BAE92B@rogers.com">
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      <div class="">Interesting topic.</div>
      <div class="">I just had my rear drums turned, and I was surprised
        at how little wear there was on the shoes.</div>
      <div class="">I guess the engineers at BMC put in the smaller
        cylinders as a kind of default brake bias control.</div>
      <div class=""><br class="">
      </div>
      <div class="">Stephen, BJ8<br class="">
        <div><br class="">
          <blockquote type="cite" class="">
            <div class="">On Aug 27, 2019, at 12:29 PM, Michael Salter
              <<a href="mailto:michaelsalter@gmail.com" class=""
                moz-do-not-send="true">michaelsalter@gmail.com</a>>
              wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <div dir="ltr" style="caret-color: rgb(0, 0, 0);
                font-family: Helvetica; font-size: 12px; font-style:
                normal; font-variant-caps: normal; font-weight: normal;
                letter-spacing: normal; text-align: start; text-indent:
                0px; text-transform: none; white-space: normal;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;
                text-decoration: none;" class="">
                <div class="gmail_default" style="font-family:
                  "comic sans ms", sans-serif; font-size:
                  small;">Have to agree with Kees on this one.<span
                    class="Apple-converted-space"> </span><br class="">
                </div>
                <div class="gmail_default" style="font-family:
                  "comic sans ms", sans-serif; font-size:
                  small;">We have a brake bias control on AHX12 and I
                  can certainly attest to the fact that when the
                  conditions change to "wet" removing a lot of rear
                  braking is absolutely essential to prevent the car
                  from swapping ends.<span class="Apple-converted-space"> </span><br
                    class="">
                </div>
                <div class="gmail_default" style="font-family:
                  "comic sans ms", sans-serif; font-size:
                  small;">As most road cars don't have adjustable brake
                  bias I would be very careful in trying to increase the
                  rear braking.</div>
                <div class="gmail_default" style="font-family:
                  "comic sans ms", sans-serif; font-size:
                  small;">When braking into a corner the last thing you
                  want is the rear end coming around, particularly in
                  the wet.</div>
                <div class="gmail_default" style="font-family:
                  "comic sans ms", sans-serif; font-size:
                  small;"><br class="">
                </div>
                <div class="gmail_default" style="font-family:
                  "comic sans ms", sans-serif; font-size:
                  small;">M<br class="">
                </div>
              </div>
              <br style="caret-color: rgb(0, 0, 0); font-family:
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                <div dir="ltr" class="gmail_attr">On Tue, Aug 27, 2019
                  at 12:09 PM Kees Oudesluijs <<a
                    href="mailto:coudesluijs@chello.nl" class=""
                    moz-do-not-send="true">coudesluijs@chello.nl</a>>
                  wrote:<br class="">
                </div>
                <blockquote class="gmail_quote" style="margin: 0px 0px
                  0px 0.8ex; border-left-width: 1px; border-left-style:
                  solid; border-left-color: rgb(204, 204, 204);
                  padding-left: 1ex;">Whatch out driving in the rain as
                  the rear brakes will lock the rear<span
                    class="Apple-converted-space"> </span><br class="">
                  wheels much quicker than with the smaller pistons.Rear
                  brakes are only<span class="Apple-converted-space"> </span><br
                    class="">
                  providing a small portion of the total brake force.<br
                    class="">
                  <br class="">
                  Kees Oudesluijs<br class="">
                  <br class="">
                  Op 27-8-2019 om 18:04 schreef Chris Dimmock:<br
                    class="">
                  > Hi Men<br class="">
                  > Has anyone else ever changed their rear wheel
                  cylinders from 3/4 inch to 7/8 inch?<br class="">
                  > I just did. Sick of the rear brakes doing
                  nothing. Freeloaders!!<br class="">
                  > Yes, no problem with seized wheel cylinders, no
                  problem with the flexible hose - just bugger all wear
                  on the rear linings.<br class="">
                  > I'll let you know how it goes on my BJ8<br
                    class="">
                  > Best<br class="">
                  > Chris<br class="">
                  ><br class="">
                  > _______________________________________________<br
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