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    These are surprising quality for the price (magnetic bases aren't
    expensive either). I don't recall needing any extension when I used
    one:<br>
    <br>
<a class="moz-txt-link-freetext" href="https://www.harborfreight.com/1-in-travel-machinists-dial-indicator-63521.html">https://www.harborfreight.com/1-in-travel-machinists-dial-indicator-63521.html</a><br>
    <br>
    I think one of these would work OK, would be plenty long (as long as
    you can hold it secure):<br>
    <br>
<a class="moz-txt-link-freetext" href="https://www.harborfreight.com/6-in-fractional-dial-caliper-63655.html">https://www.harborfreight.com/6-in-fractional-dial-caliper-63655.html</a><br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 3/30/2022 11:57 AM, Simon Lachlan
      via Healeys wrote:<br>
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      cite="mid:000001d84468$152c6c30$3f854490$@alexarevel.plus.com">
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        <p class="MsoNormal">I shall be addressing the solenoid
          adjustment process on my BT7’s overdrive quite soon. Reading
          saved files from the gurus, it seems that one way of getting
          it right is with a dial gauge. Looks fool proof in the video
          and could be perfect for someone like me with little
          mechanical instinct/feel who is better off following
          instructions.<o:p></o:p></p>
        <p class="MsoNormal">I was quite reluctant to go down this route
          initially as I thought the gauges would be wildly expensive.
          Especially so, if you consider how often I’m likely to use
          one! However, prices aren’t too bad and I think I’ll get one.<o:p></o:p></p>
        <p class="MsoNormal">So……….seems to me that the probe bits on
          the gauges I’m looking at are all too short to get down to the
          ball bearing in the OD’s operating valve. <o:p></o:p></p>
        <p class="MsoNormal">Looking at the pictures on eBay and Google
          Images, it seems that most of the probes are tipped with a
          knurled point which looks like it’s designed to be unscrewed.
          My hope is that tip screws off in order to fit an extension.
          I’ve seen extensions on eBay, all with 2.5M thread. <o:p></o:p></p>
        <p class="MsoNormal">Am I right? Does the tip come off to permit
          the addition of an extension?? (Plainly, not all gauges have
          this knurled tip and I’ll be avoiding those without!)<o:p></o:p></p>
        <p class="MsoNormal">Simon<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
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