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Re: [Healeys] Valve clearances

To: healeys@autox.team.net
Subject: Re: [Healeys] Valve clearances
From: Kees Oudesluijs <coudesluijs@chello.nl>
Date: Sat, 16 Feb 2019 15:21:12 +0100
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
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Check the valve clearances at least every 10.000km/6000mls. Easy job. Do 
it yourself and do not trust a mechanic doing it properly, he might or 
he might not. To many cars suffer a burned valve after a major service!!!

Kees Oudesluijs



Op 16-2-2019 om 14:09 schreef BJ8Healeys:
>
> Jim, I had my engine rebuilt in 1999 with hardened valves seats and 
> stellite exhaust valves. When installed, the engine ran just fine.  I 
> never bothered to check or adjust the valve clearances.  In 2001, I 
> ended up with a burned exhaust valve.  Since then, I have 
> checked/adjusted the clearances once a year and no further valve problems.
>
> Is that an "old wives tale", or did I have a bad valve out of the box?
>
> Steve Byers
>
> HBJ8L/36666
>
> BJ8 Registry
>
> AHCA Delegate at Large
>
> Havelock, NC
>
> *From:*Healeys [mailto:healeys-bounces@autox.team.net] *On Behalf Of 
> *rjhco@att.net
> *Sent:* Tuesday, February 12, 2019 10:30 AM
> *To:* michaelsalter@gmail.com; 'WILLIAM B LAWRENCE'
> *Cc:* healeys@autox.team.net
> *Subject:* Re: [Healeys] Valve clearances
>
> Mike,
>
> You are correct that the valve train components change very, very 
> little.  Expansion of components causing valves to not close is an old 
> wives tale that gets repeated many times until shade tree mechanics 
> turn it into gospel��  Burned valves are caused by other design, 
> assembly or materials factors.
>
> Best regards,
>
> Jim
>
> *From:* Healeys <healeys-bounces@autox.team.net> *On Behalf Of 
> *Michael Salter
> *Sent:* Sunday, January 13, 2019 5:23 PM
> *To:* WILLIAM B LAWRENCE <ynotink@msn.com>
> *Cc:* healeys@autox.team.net
> *Subject:* Re: [Healeys] Valve clearances
>
> This is another subject that I often wonder about.
>
> If the valve clearance is there to ensure that the valves are fully 
> closed when the engine is hot then why, when I check the clearances on 
> a hot engine after a dyno run,  are they hardly any less than they 
> were cold?
>
> I can appreciate that the valve train components grow because of the 
> heat but surely the block and head and rocker shaft pedistals also 
> grow and thus there is little if any net change.
>
> I also appreciate that the exhaust valve stem get really hot but ????
>
> Just wondering....
>
> M
>
> On Sun, Jan 13, 2019, 6:42 AM WILLIAM B LAWRENCE <ynotink@msn.com 
>
>     I disagree that valve clearances are not critical. As the engine
>     comes up to temperature the metal parts of the valve train
>     (valves, lifters, push rods, the head itself and the rocker shaft
>     towers) increase in length and the valve clearances are calculated
>     to assure that this expansion isn't allowed to affect the sealing
>     of the valves on their seats. If the valves are set too tight they
>     reach a point where they won't touch the seats and therefore won't
>     seal. Hot gases rushing through the gaps will quickly erode the
>     valves. Also increasing the duration and/or lift of the cam has
>     the effect of the  decreasing the length of the opening and
>     closing ramps on the back side of the cam This reduces the length
>     of time (dwell) the valve remains on the seat. Increasing the
>     valve clearance restores the dwell time the valve needs to
>     transfer its heat load to the cooling system through the valve
>     seat and the cylinder head. Too little dwell time or the lack of
>     proper valve sealing are two causes of burned valves.
>
>     In my own experience I installed an Isky cam with a grind a little
>     more aggressive than the 100M cam and set the clearances to 0.012"
>     per the manual. Within about 2,000 miles the exhaust valves were
>     trashed. I then took the time to read the Isky installation
>     instructions which specifically state the valve clearance needs to
>     be set to 0.018". I re-installed the head with new valves and set
>     them to Isky's spec and never had another problem with burned valves.
>
>     Follow the cam grinder's recommendations and you will avoid trouble.
>
>     Bill Lawrence
>
>     BN1 #554
>
>     ------------------------------------------------------------------------
>
>     *From:*Healeys <healeys-bounces@autox.team.net
>     *Sent:* Saturday, January 12, 2019 11:10 PM
>     *To:* Michael MacLean; healeys@autox.team.net
>     *Subject:* Re: [Healeys] Valve clearances
>
>     I should note the rockers are pretty noisy at 0.015; IIRC I
>     tightened them up just a bit.
>
>     On 1/12/2019 2:39 PM, Michael MacLean wrote:
>
>         I'd go with .016.  You can always tighten it.  Better loose
>         than tight.
>
>         Mike MacLean
>
>         On Saturday, January 12, 2019, 11:01:32 AM PST, Bob Spidell
>
>         Makes sense (for some reason).  I put a DWR1 cam in my BJ8
>         which, according to DWR, 'is a little better than the BJ8 cam
>         and so works well in any standard or mildly tuned car' but I
>         think the 0.015" applies to all profiles on the spec sheet.
>
>         Bob
>
>         On 1/11/2019 8:48 PM, John Rowe wrote:
>
>         Simon,
>
>         Modified cams require the large clearance (donâ??t ask me why?)
>         So go for .015 that is what mine is.
>
>         John Rowe
>
>         Qld
>
>         Australia
>
>         *From:*Healeys [mailto:healeys-bounces@autox.team.net] *On
>         Behalf Of *simon.lachlan@alexarevel.plus.com
>         *Sent:* Saturday, 12 January 2019 9:14 AM
>         *To:* Healeys
>         *Subject:* [Healeys] Valve clearances
>
>         The car is a MkII BT7.
>
>         The BMC manual says adjust the clearances, cold, to 0.012â??.
>
>         Denis Welch said I should go 0.015â??, cold, after fitting their
>         â??Fast Roadâ?? cam.
>
>         The rolling road guy said 0.016â??, warm.
>
>         I have the radiator out right now so I can get a nice socket
>         onto that nut and have a go at the clearances.
>
>         Stick with 0.015â??, cold?
>
>         Thanks,
>
>         Simon
>
>
>               
>
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    <p>Check the valve clearances at least every 10.000km/6000mls. Easy
      job. Do it yourself and do not trust a mechanic doing it properly,
      he might or he might not. To many cars suffer a burned valve after
      a major service!!!<br>
    </p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 16-2-2019 om 14:09 schreef
      BJ8Healeys:<br>
    </div>
    <blockquote type="cite"
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      <div class="WordSection1">
        <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
            MS&quot;;color:#002060">Jim, I had my engine rebuilt in 1999
            with hardened valves seats and stellite exhaust valves. 
            When installed, the engine ran just fine.  I never bothered
            to check or adjust the valve clearances.  In 2001, I ended
            up with a burned exhaust valve.  Since then, I have
            checked/adjusted the clearances once a year and no further
            valve problems.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
            MS&quot;;color:#002060">Is that an "old wives tale", or did
            I have a bad valve out of the box? <o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
            MS&quot;;color:#002060"><o:p> </o:p></span></p>
        <div>
          <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
              MS&quot;;color:#002060">Steve Byers</span><span
              style="color:#002060"><o:p></o:p></span></p>
          <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
              MS&quot;;color:#002060">HBJ8L/36666</span><span
              style="color:#002060"><o:p></o:p></span></p>
          <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
              MS&quot;;color:#002060">BJ8 Registry</span><span
              style="color:#002060"><o:p></o:p></span></p>
          <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
              MS&quot;;color:#002060">AHCA Delegate at Large</span><span
              style="color:#002060"><o:p></o:p></span></p>
          <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
              MS&quot;;color:#002060">Havelock, NC  </span><span
              style="color:#002060"><o:p></o:p></span></p>
          <p class="MsoNormal"><span 
style="color:#002060"><o:p> </o:p></span></p>
        </div>
        <p class="MsoNormal"><span style="font-family:&quot;Comic Sans
            MS&quot;;color:#002060"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #B5C4DF
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">
                Healeys [<a class="moz-txt-link-freetext" 
href="mailto:healeys-bounces@autox.team.net";>mailto:healeys-bounces@autox.team.net</a>]
 <b>On
                  Behalf Of </b><a class="moz-txt-link-abbreviated" 
href="mailto:rjhco@att.net";>rjhco@att.net</a><br>
                <b>Sent:</b> Tuesday, February 12, 2019 10:30 AM<br>
                <b>To:</b> <a class="moz-txt-link-abbreviated" 
href="mailto:michaelsalter@gmail.com";>michaelsalter@gmail.com</a>; 'WILLIAM B 
LAWRENCE'<br>
                <b>Cc:</b> <a class="moz-txt-link-abbreviated" 
href="mailto:healeys@autox.team.net";>healeys@autox.team.net</a><br>
                <b>Subject:</b> Re: [Healeys] Valve 
clearances<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Mike,<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">You are correct that the valve train
          components change very, very little.  Expansion of components
          causing valves to not close is an old wives tale that gets
          repeated many times until shade tree mechanics turn it into
          gospel��  Burned valves are caused by other design, assembly
          or materials factors.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Best regards,<o:p></o:p></p>
        <p class="MsoNormal">Jim<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><b>From:</b> Healeys
          <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys-bounces@autox.team.net";>&lt;healeys-bounces@autox.team.net&gt;</a>
 <b>On Behalf Of </b>Michael
          Salter<br>
          <b>Sent:</b> Sunday, January 13, 2019 5:23 PM<br>
          <b>To:</b> WILLIAM B LAWRENCE <a class="moz-txt-link-rfc2396E" 
href="mailto:ynotink@msn.com";>&lt;ynotink@msn.com&gt;</a><br>
          <b>Cc:</b> <a class="moz-txt-link-abbreviated" 
href="mailto:healeys@autox.team.net";>healeys@autox.team.net</a><br>
          <b>Subject:</b> Re: [Healeys] Valve clearances<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div>
          <p class="MsoNormal">This is another subject that I often
            wonder about. <o:p></o:p></p>
          <div>
            <p class="MsoNormal">If the valve clearance is there to
              ensure that the valves are fully closed when the engine is
              hot then why, when I check the clearances on a hot engine
              after a dyno run,  are they hardly any less than they were
              cold?<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">I can appreciate that the valve train
              components grow because of the heat but surely the block
              and head and rocker shaft pedistals also grow and thus
              there is little if any net change.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">I also appreciate that the exhaust
              valve stem get really hot but ????<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Just wondering....<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
          </div>
          <div>
            <p class="MsoNormal">M<o:p></o:p></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div>
          <div>
            <p class="MsoNormal">On Sun, Jan 13, 2019, 6:42 AM WILLIAM B
              LAWRENCE &lt;<a href="mailto:ynotink@msn.com";
                moz-do-not-send="true">ynotink@msn.com</a> wrote:<o:p></o:p></p>
          </div>
          <blockquote style="border:none;border-left:solid #CCCCCC
            1.0pt;padding:0in 0in 0in
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt">
            <div>
              <div>
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;color:black">I disagree that
                    valve clearances are not critical. As the engine
                    comes up to temperature the metal parts of the valve
                    train (valves, lifters, push rods, the head itself
                    and the rocker shaft towers) increase in length and
                    the valve clearances are calculated to assure that
                    this expansion isn't allowed to affect the sealing
                    of the valves on their seats. If the valves are set
                    too tight they reach a point where they won't touch
                    the seats and therefore won't seal. Hot gases
                    rushing through the gaps will quickly erode the
                    valves. Also i<span style="background:white">ncreasing
                      the duration and/or lift of the cam has the effect
                      of the  decreasing the length of the opening and
                      closing ramps on the back side of the cam This
                      reduces the length of time (dwell) the valve
                      remains on the seat. Increasing the valve
                      clearance restores the dwell time the valve needs
                      to transfer its heat load to the cooling system
                      through the valve seat and the cylinder head. Too
                      little dwell time or the lack of proper valve
                      sealing are two causes of burned 
valves.</span><o:p></o:p></span></p>
              </div>
              <div>
                <p class="MsoNormal"><span
                    
style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
              </div>
              <div>
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;color:black">In my own
                    experience I installed an Isky cam with a grind a
                    little more aggressive than the 100M cam and set the
                    clearances to 0.012" per the manual. Within about
                    2,000 miles the exhaust valves were trashed. I then
                    took the time to read the Isky installation
                    instructions which specifically state the valve
                    clearance needs to be set to 0.018". I re-installed
                    the head with new valves and set them to Isky's spec
                    and never had another problem with burned 
valves.<o:p></o:p></span></p>
              </div>
              <div>
                <p class="MsoNormal"><span
                    
style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
              </div>
              <div>
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;color:black">Follow the cam
                    grinder's recommendations and you will avoid
                    trouble.<o:p></o:p></span></p>
              </div>
              <div>
                <p class="MsoNormal"><span
                    
style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
              </div>
              <div>
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;color:black">Bill 
Lawrence<o:p></o:p></span></p>
              </div>
              <div>
                <p class="MsoNormal"><span
                    style="font-size:12.0pt;color:black">BN1 
#554<o:p></o:p></span></p>
              </div>
              <div class="MsoNormal" style="text-align:center"
                align="center">
                <hr width="98%" size="3" align="center"></div>
              <div id="m_1603937236670712738divRplyFwdMsg">
                <p class="MsoNormal"><b><span 
style="color:black">From:</span></b><span
                    style="color:black"> Healeys &lt;<a
                      href="mailto:healeys-bounces@autox.team.net";
                      target="_blank" 
moz-do-not-send="true">healeys-bounces@autox.team.net</a>&gt;
                    on behalf of Bob Spidell &lt;<a
                      href="mailto:bspidell@comcast.net"; target="_blank"
                      moz-do-not-send="true">bspidell@comcast.net</a>&gt;<br>
                    <b>Sent:</b> Saturday, January 12, 2019 11:10 PM<br>
                    <b>To:</b> Michael MacLean; <a
                      href="mailto:healeys@autox.team.net";
                      target="_blank" 
moz-do-not-send="true">healeys@autox.team.net</a><br>
                    <b>Subject:</b> Re: [Healeys] Valve clearances</span>
                  <o:p></o:p></p>
                <div>
                  <p class="MsoNormal"> <o:p></o:p></p>
                </div>
              </div>
              <div>
                <p style="background:white">I should note the rockers
                  are pretty noisy at 0.015; IIRC I tightened them up
                  just a bit.<o:p></o:p></p>
                <div>
                  <p class="MsoNormal" style="background:white">On
                    1/12/2019 2:39 PM, Michael MacLean wrote:<o:p></o:p></p>
                </div>
                <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
                  <div>
                    <div>
                      <p class="MsoNormal" style="background:white"><span
style="font-size:12.0pt;font-family:&quot;Times New
                          Roman&quot;,&quot;serif&quot;">I'd go with
                          .016.  You can always tighten it.  Better
                          loose than tight.<o:p></o:p></span></p>
                    </div>
                    <div>
                      <p class="MsoNormal" style="background:white"><span
style="font-size:12.0pt;font-family:&quot;Times New
                          Roman&quot;,&quot;serif&quot;">Mike 
MacLean<o:p></o:p></span></p>
                    </div>
                    <div>
                      <p class="MsoNormal" style="background:white"><span
style="font-size:12.0pt;font-family:&quot;Times New
                          
Roman&quot;,&quot;serif&quot;"><o:p> </o:p></span></p>
                    </div>
                  </div>
                  <div
                    id="m_1603937236670712738x_yahoo_quoted_8268064185">
                    <div>
                      <div>
                        <p class="MsoNormal" style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A">On
                            Saturday, January 12, 2019, 11:01:32 AM PST,
                            Bob Spidell <a
                              href="mailto:bspidell@comcast.net";
                              target="_blank" 
moz-do-not-send="true">&lt;bspidell@comcast.net&gt;</a>
                            wrote: <o:p></o:p></span></p>
                      </div>
                      <div>
                        <p class="MsoNormal" style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p> </o:p></span></p>
                      </div>
                      <div>
                        <p class="MsoNormal" style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p> </o:p></span></p>
                      </div>
                      <div>
                        <div id="m_1603937236670712738x_yiv1110160614">
                          <div>
                            <p style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A">Makes
                                sense (for some reason).  I put a DWR1
                                cam in my BJ8 which, according to DWR,
                                'is a little better than the BJ8 cam and
                                so works well in any standard or mildly
                                tuned car' but I think the 0.015"
                                applies to all profiles on the spec
                                sheet.<o:p></o:p></span></p>
                            <p style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A">Bob<o:p></o:p></span></p>
                            <div
                              id="m_1603937236670712738x_yiv1110160614yqt70378">
                              <div>
                                <p class="MsoNormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A">On
                                    1/11/2019 8:48 PM, John Rowe 
wrote:<o:p></o:p></span></p>
                              </div>
                            </div>
                          </div>
                          <div
                            id="m_1603937236670712738x_yiv1110160614yqt92654">
                            <div>
                              <div>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#1F497D">Simon,</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#1F497D">Modified
                                    cams require the large clearance
                                    (donâ??t ask me why?) So go for .015
                                    that is what mine is.</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#1F497D">John
                                    Rowe</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#1F497D">Qld</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#1F497D">Australia</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#1F497D"> </span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <div>
                                  <div
                                    style="border:none;border-top:solid
                                    #B5C4DF 1.0pt;padding:3.0pt 0in 0in
                                    0in">
                                    <p
                                      
class="m1603937236670712738xyiv1110160614msonormal"
                                      style="background:white"><b><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A">
                                        Healeys [<a
                                          
href="mailto:healeys-bounces@autox.team.net";
                                          target="_blank"
                                          
moz-do-not-send="true">mailto:healeys-bounces@autox.team.net</a>]
                                        <b>On Behalf Of </b><a
                                          
href="mailto:simon.lachlan@alexarevel.plus.com";
                                          target="_blank"
                                          
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a><br>
                                        <b>Sent:</b> Saturday, 12
                                        January 2019 9:14 AM<br>
                                        <b>To:</b> Healeys<br>
                                        <b>Subject:</b> [Healeys] Valve
                                        clearances<o:p></o:p></span></p>
                                  </div>
                                </div>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"> <o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">The car is a MkII 
BT7.</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">The BMC manual says
                                    adjust the clearances, cold, to
                                    0.012â??.</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">Denis Welch said I
                                    should go 0.015â??, cold, after
                                    fitting their â??Fast Roadâ?? 
cam.</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">The rolling road guy
                                    said 0.016â??, warm.</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB"> </span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">I have the radiator out
                                    right now so I can get a nice socket
                                    onto that nut and have a go at the
                                    clearances.</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">Stick with 0.015â??,
                                    cold?</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB"> </span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">Thanks,</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                                <p
                                  
class="m1603937236670712738xyiv1110160614msonormal"
                                  style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"
                                    lang="EN-GB">Simon</span><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p></o:p></span></p>
                              </div>
                              <p class="MsoNormal"
                                style="background:white"><span
style="font-size:10.0pt;font-family:&quot;Helvetica&quot;,&quot;sans-serif&quot;;color:#26282A"><o:p> </o:p></span></p>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                  <div
                    
id="m_1603937236670712738x_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2">
                    <table class="MsoNormalTable"
                      style="border:none;border-top:solid #D3D4DE 1.0pt"
                      cellspacing="3" cellpadding="0" border="1">
                      <tbody>
                        <tr>
                          <td
                            style="width:41.25pt;border:none;padding:9.75pt
                            .75pt .75pt .75pt" width="55"><br>
                          </td>
                          <td
                            style="width:352.5pt;border:none;padding:9.0pt
                            .75pt .75pt .75pt" width="470"><br>
                          </td>
                        </tr>
                      </tbody>
                    </table>
                  </div>
                </blockquote>
              </div>
            </div>
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style="margin-bottom:12.0pt">_______________________________________________<br>
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      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" 
wrap="">_______________________________________________

Archive: <a class="moz-txt-link-freetext" 
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