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Re: [Healeys] 4 Cylinder Woes, cont'd.

To: healeys@autox.team.net
Subject: Re: [Healeys] 4 Cylinder Woes, cont'd.
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Tue, 27 Aug 2019 20:31:09 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <c0b104ab-74d9-43c0-a4d7-f9cfafd2e8af@me.com> <665236743.2007450.1566925058920@mail.yahoo.com> <2BBA0DA1B01E4BCD86659D67FC9811E0@DavidNockHP>
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If it is a burnt valve it is not wise to travel any long distance as you 
may damage the valve seat considerably if it has non hardened seat 
fitted and, as David Nock says a cracked head may be the result. It is 
unlikely to be rings/bore as the drop in compression is to big.

What also could be checked easily is if the crank case ventilation blows 
considerably , if so it could be a hole in the piston but than again the 
compression would probably be lower than 25psi and a holed piston is not 
something that happens often.

Burnt valves on UK cars are a regular occurrence. I have had them on the 
Spitfire, Land Rover and on the Jensen-Healey, never on the Italian, 
French, USA, German, Japanese or Korean cars I had/have but may be I was 
lucky there.


Kees Oudesluijs



Op 27-8-2019 om 20:08 schreef David Nock:
> Steve, are you planning on driving the Healey to Deadwood.  If so I 
> would not recommend to do that with a low compression. If it is a 
> burnt valve then you will greatly increase the chances of cracking the 
> head. If it is rings then you will use a lot of oil.
> I would recommend a leak test right away. Then you can determine if 
> the low compression is a valve problem or a ring problem.
> David Nock
> healeydoc@sbcglobal.net
> 209 948 8767
> www.britishcarspecialists.com
>
> Help us have our Founder Norman Nock inducteed into the
> British Sportscar Hall of Fame, You can vote for your favorites
> by visiting the site at.
> www.britishsportscarhalloffame.org
> *Sent:* Tuesday, August 27, 2019 9:57 AM
> *Subject:* Re: [Healeys] 4 Cylinder Woes, cont'd.
> So ...Have you done a "leak-down test" to confirm where 
> (intake/exhaust/rings) the bad one is bad?
> Jim
> On Tuesday, August 27, 2019, 3:02:14 AM UTC, Steven Kingsbury via 
> Healeys <healeys@autox.team.net> wrote:
> Cylinder #1   150 lbs
> Cylinder #2    25 lbs
> Cylinder #3   155lbs
> Cylinder #4   150 lbs
> Steven Kingsbury
> BN1 kind of
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    <p>If it is a burnt valve it is not wise to travel any long distance
      as you may damage the valve seat considerably if it has non
      hardened seat fitted and, as David Nock says a cracked head may be
      the result. It is unlikely to be rings/bore as the drop in
      compression is to big. <br>
    </p>
    <p>What also could be checked easily is if the crank case
      ventilation blows considerably , if so it could be a hole in the
      piston but than again the compression would probably be lower than
      25psi and a holed piston is not something that happens often. <br>
    </p>
    <p>Burnt valves on UK cars are a regular occurrence. I have had them
      on the Spitfire, Land Rover and on the Jensen-Healey, never on the
      Italian, French, USA, German, Japanese or Korean cars I had/have
      but may be I was lucky there.<br>
    </p>
    <p><br>
    </p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 27-8-2019 om 20:08 schreef David
      Nock:<br>
    </div>
    <blockquote type="cite"
      cite="mid:2BBA0DA1B01E4BCD86659D67FC9811E0@DavidNockHP">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div style="FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR:
          #000000">
          <div>Steve, are you planning on driving the Healey to
            Deadwood.  If so I would not recommend to do that with a low
            compression. If it is a burnt valve then you will greatly
            increase the chances of cracking the head. If it is rings
            then you will use a lot of oil.</div>
          <div> </div>
          <div>I would recommend a leak test right away. Then you can
            determine if the low compression is a valve problem or a
            ring problem.</div>
          <div> </div>
          <div> </div>
          <div style="FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR:
            #000000">David Nock<br>
            <a class="moz-txt-link-abbreviated" 
href="mailto:healeydoc@sbcglobal.net";>healeydoc@sbcglobal.net</a><br>
            209 948 8767<br>
            <a class="moz-txt-link-abbreviated" 
href="http://www.britishcarspecialists.com";>www.britishcarspecialists.com</a><br>
            <br>
            Help us have our Founder Norman Nock inducteed into the <br>
            British Sportscar Hall of Fame, You can vote for your
            favorites <br>
            by visiting the site at.<br>
            <a class="moz-txt-link-abbreviated" 
href="http://www.britishsportscarhalloffame.org";>www.britishsportscarhalloffame.org</a><br>
          </div>
          <div style="FONT-SIZE: small; TEXT-DECORATION: none;
            FONT-FAMILY: &quot;Calibri&quot;; FONT-WEIGHT: normal;
            COLOR: #000000; FONT-STYLE: normal; DISPLAY: inline">
            <div style="FONT: 10pt tahoma">
              <div> </div>
              <div style="BACKGROUND: #f5f5f5">
                <div style="font-color: black"><b>From:</b> <a
                    title="healeys@autox.team.net"
                    href="mailto:healeys@autox.team.net";
                    moz-do-not-send="true">jim via Healeys</a> </div>
                <div><b>Sent:</b> Tuesday, August 27, 2019 9:57 AM</div>
                <div><b>To:</b> <a title="healeys@autox.team.net"
                    href="mailto:healeys@autox.team.net";
                    moz-do-not-send="true">healeys@autox.team.net</a> ;
                  <a title="airtightproductions@icloud.com"
                    href="mailto:airtightproductions@icloud.com";
                    moz-do-not-send="true">Steven Kingsbury</a> </div>
                <div><b>Subject:</b> Re: [Healeys] 4 Cylinder Woes,
                  cont'd.</div>
              </div>
            </div>
            <div> </div>
          </div>
          <div style="FONT-SIZE: small; TEXT-DECORATION: none;
            FONT-FAMILY: &quot;Calibri&quot;; FONT-WEIGHT: normal;
            COLOR: #000000; FONT-STYLE: normal; DISPLAY: inline">
            <div class="ydpeee23017yahoo-style-wrap" style="FONT-SIZE:
              13px; FONT-FAMILY: helvetica neue, helvetica, arial,
              sans-serif">
              <div dir="ltr" data-setdir="false">So ...Have you done a
                "leak-down test" to confirm where (intake/exhaust/rings)
                the bad one is bad?</div>
              <div dir="ltr" data-setdir="false"> </div>
              <div dir="ltr" data-setdir="false">Jim<br>
              </div>
              <div> </div>
            </div>
            <div id="ydpe26307e9yahoo_quoted_6943209134"
              class="ydpe26307e9yahoo_quoted">
              <div style="FONT-SIZE: 13px; FONT-FAMILY: 'Helvetica
                Neue', helvetica, arial, sans-serif; COLOR: #26282a">
                <div>On Tuesday, August 27, 2019, 3:02:14 AM UTC, Steven
                  Kingsbury via Healeys <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys@autox.team.net";>&lt;healeys@autox.team.net&gt;</a>
                  wrote: </div>
                <div> </div>
                <div> </div>
                <div>
                  <div id="ydpe26307e9yiv2867518748">
                    <div>
                      <div>Cylinder #1   150 lbs</div>
                      <div>Cylinder #2    25 lbs</div>
                      <div>Cylinder #3   155lbs</div>
                      <div>Cylinder #4   150 lbs</div>
                      <div> </div>
                      <div>Steven Kingsbury</div>
                      <div>BN1 kind of</div>
                    </div>
                  </div>
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