Subject: Re: [Healeys] Tach question

From: Kees Oudesluijs via Healeys <[email-masked]>
Date: Fri, 27 Nov 2020 17:34:24 +0100

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You can try a few things. If there is an external loop in the feed (I 
think it is usually a white or yellow wire) you may remove or add one 
loop. Another trick seems to be to add two diodes in series between coil 
and tachometer. A bit more involved but very doable as a DIY person is 
to change the print board inside:

  Smiths RVI - RVC Tachometer conversion board + calibration cable -566-

www.eBay.com nr: 380578001095

Having the tach rebuild is way more expensive so it may be worth to 
experiment a bit with the above.

Kees Oudesluijs

Op 27-11-2020 om 17:05 schreef Fred Wescoe via Healeys:
> Listers,
>
> A few days ago, on one of the lists, there was discussion of a 66 BJ8 
> electronic tach that was not reading correctly after installing a 
> Pertronix ignition setup.  I just installed the Pertronix (points 
> conversion) system and coil and now the tach does not read correctly.  
> The comments mentioned that tachs had to be rebuilt specifically for 
> the pertonics conversion.  Several places that 
> repair/rebuild/calibrate our Smiths tachometer with the Pertronix 
> ignition system were recommended.  As I put the car away for winter, I 
> would like to get the tach repaired/rebuilt/calibrated.  I have lost 
> those comments and therefore the links to those repair sources.  Can 
> anyone refer me to those services?
>
> Thanks as always for the comments and wisdom,
>
> Fred
> 66 BJ8
>
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    <p>You can try a few things. If there is an external loop in the
      feed (I think it is usually a white or yellow wire) you may remove
      or add one loop. Another trick seems to be to add two diodes in
      series between coil and tachometer. A bit more involved but very
      doable as a DIY person is to change the print board inside:</p>
    <h1 class="it-ttl" itemprop="name" id="itemTitle"><font size="-1"><span
          style="font-weight: normal;">Smiths RVI - RVC Tachometer
          conversion board + calibration cable -566-</span></font></h1>
    <p><a class="moz-txt-link-abbreviated" href="http://www.eBay.com">www.eBay.com</a> nr: 380578001095</p>
    <p>Having the tach rebuild is way more expensive so it may be worth
      to experiment a bit with the above.<br>
    </p>
    <p>Kees Oudesluijs</p>
    <p><br>
    </p>
    <p><br>
    </p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 27-11-2020 om 17:05 schreef Fred
      Wescoe via Healeys:<br>
    </div>
    <blockquote type="cite"
cite="mid:[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Listers,
        <div><br>
        </div>
        <div>A few days ago, on one of the lists, there was
          discussion of a 66 BJ8 electronic tach that was not reading
          correctly after installing a Pertronix ignition setup.  I just
          installed the Pertronix (points conversion) system and coil
          and now the tach does not read correctly.  The comments
          mentioned that tachs had to be rebuilt specifically for the
          pertonics conversion.  Several places that
          repair/rebuild/calibrate our Smiths tachometer with the
          Pertronix ignition system were recommended.  As I put the car
          away for winter, I would like to get the tach
          repaired/rebuilt/calibrated.  I have lost those comments and
          therefore the links to those repair sources.  Can anyone refer
          me to those services?   </div>
        <div><br>
        </div>
        <div>Thanks as always for the comments and wisdom,</div>
        <div><br>
        </div>
        <div>Fred</div>
        <div>66 BJ8</div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________

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_______________________________________________

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From: Warren via Healeys <[email-masked]>
Date: Fri, 27 Nov 2020 13:34:09 -0500

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--></style></head><body lang=3DEN-US link=3Dblue vlink=3D"#954F72"><div cla=
ss=3DWordSection1><p class=3DMsoNormal>I switched to Neg grnd in 1978 makin=
g internal changes to tach. Installed Pertronix in 2002 and did nothing wit=
h the tach. It ran perfectly till 2017 when started reading erratically. Th=
at is when I sent it off to Nisonger who rebuilt to work with points OR Per=
tronix neg grnd. It was just wore out and proved to be worth the cost of re=
pair.</p><p class=3DMsoNormal>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 <a href=3D"http://www.nisonger.com/">http=
://www.nisonger.com/</a></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p cl=
ass=3DMsoNormal>WD=C2=A0 67BJ8=C2=A0 190,000+miles</p><p class=3DMsoNormal>=
<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Sent from <a href=3D"https://go.m=
icrosoft.com/fwlink/?LinkId=3D550986">Mail</a> for Windows 10</p><p class=
=3DMsoNormal><o:p>&nbsp;</o:p></p><div style=3D'mso-element:para-border-div=
;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p c=
lass=3DMsoNormal style=3D'border:none;padding:0in'><b>From: </b><a href=3D"=
mailto:[email-masked]">Fred Wescoe via Healeys</a><br><b>Sent: </b>=
Friday, November 27, 2020 11:09 AM<br><b>To: </b><a href=3D"mailto:Healeys@=
autox.team.net">healeys</a><br><b>Subject: </b>[Healeys] Tach question</p><=
/div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>Li=
sters,</p><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p clas=
s=3DMsoNormal>A few days ago, on one of the lists, there was discussion&nbs=
p;of a 66 BJ8 electronic tach that was not reading correctly after installi=
ng a Pertronix ignition setup.&nbsp; I just installed the Pertronix (points=
 conversion) system and coil and now&nbsp;the tach does not read correctly.=
&nbsp; The comments mentioned that&nbsp;tachs&nbsp;had to be rebuilt specif=
ically for the pertonics conversion.&nbsp; Several places that repair/rebui=
ld/calibrate our Smiths tachometer with the Pertronix ignition system were =
recommended.&nbsp; As I put the&nbsp;car away for winter, I would like to g=
et the tach repaired/rebuilt/calibrated.&nbsp; I have lost those comments a=
nd therefore the links to those repair sources.&nbsp; Can anyone refer me t=
o those services?&nbsp; &nbsp;</p></div><div><p class=3DMsoNormal><o:p>&nbs=
p;</o:p></p></div><div><p class=3DMsoNormal>Thanks&nbsp;as always for the c=
omments and wisdom,</p></div><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p=
></div><div><p class=3DMsoNormal>Fred</p></div></div><p class=3DMsoNormal>6=
6 BJ8</p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></body></html>=

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[email-masked]

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From: Roger Grace via Healeys <[email-masked]>
Date: Fri, 27 Nov 2020 13:22:49 -0700 (MST)

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Also consider Speedy Cables in Wales .... they did a full conversion to a modern stepper motor dive in mine ... complete new movement ... even changed the lettering to neg earth. You do however need to run a new wire to the distributor. Very accurate and will not degrade with time ... no hairspring either.
rg
----- Original Message -----
From: Warren via Healeys <[email-masked]>
To: Fred Wescoe <[email-masked]>, healeys <[email-masked]>
Sent: Fri, 27 Nov 2020 11:34:09 -0700 (MST)
Subject: Re: [Healeys] Tach question

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-->I switched to Neg grnd in 1978 making internal changes to tach. Installed Pertronix in 2002 and did nothing with the tach. It ran perfectly till 2017 when started reading erratically. That is when I sent it off to Nisonger who rebuilt to work with points OR Pertronix neg grnd. It was just wore out and proved to be worth the cost of repair.                                       http://www.nisonger.com/ WD  67BJ8  190,000+miles Sent from Mail for Windows 10 From: Fred Wescoe via Healeys
Sent: Friday, November 27, 2020 11:09 AM
To: healeys
Subject: [Healeys] Tach question Listers, A few days ago, on one of the lists, there was discussion of a 66 BJ8 electronic tach that was not reading correctly after installing a Pertronix ignition setup.  I just installed the Pertronix (points conversion) system and coil and now the tach does not read correctly.  The comments mentioned that tachs had to be rebuilt specifically for the pertonics conversion.  Several places that repair/rebuild/calibrate our Smiths tachometer with the Pertronix ignition system were recommended.  As I put the car away for winter, I would like to get the tach repaired/rebuilt/calibrated.  I have lost those comments and therefore the links to those repair sources.  Can anyone refer me to those services?    Thanks as always for the comments and wisdom, Fred66 BJ8 

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<html><head><style> body {height: 100%; color:#000000; font-size:12pt; font=
-family:arial,helvetica,sans-serif;}</style></head><body><div><div>Also con=
sider Speedy Cables in Wales .... they did a full conversion to a modern st=
epper motor dive in mine ... complete new movement ... even changed the let=
tering to neg earth. You do however need to run a new wire to the distribut=
or. Very accurate and will not degrade with time ... no hairspring either.<=
br></div><div>rg</div></div><div><br></div><div>----- Original Message ----=
-<br>From: Warren via Healeys &lt;[email-masked]&gt;<br>To: Fred We=
scoe &lt;[email-masked]&gt;, healeys &lt;[email-masked]&gt;<b=
r>Sent: Fri, 27 Nov 2020 11:34:09 -0700 (MST)<br>Subject: Re: [Healeys] Tac=
h question<br></div><div><br></div><style><!--<br><div><br></div>@font-face=
<br>=09{font-family:"Cambria Math";<br>=09panose-1:2 4 5 3 5 4 6 3 2 4;}<br=
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;}<br><div><br></div>p.MsoNormal, li.MsoNormal, div.MsoNormal<br>=09{margin=
:0in;<br>=09font-size:11.0pt;<br>=09font-family:"Calibri",sans-serif;}<br>a=
:link, span.MsoHyperlink<br>=09{mso-style-priority:99;<br>=09color:blue;<br=
>=09text-decoration:underline;}<br>.MsoChpDefault<br>=09{mso-style-type:exp=
ort-only;}<br>@page WordSection1<br>=09{size:8.5in 11.0in;<br>=09margin:1.0=
in 1.0in 1.0in 1.0in;}<br>div.WordSection1<br>=09{page:WordSection1;}<br>--=
></style><div class=3D"WordSection1"><p class=3D"MsoNormal">I switched to N=
eg grnd in 1978 making internal changes to tach. Installed Pertronix in 200=
2 and did nothing with the tach. It ran perfectly till 2017 when started re=
ading erratically. That is when I sent it off to Nisonger who rebuilt to wo=
rk with points OR Pertronix neg grnd. It was just wore out and proved to be=
 worth the cost of repair.</p><p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a href=3D"http://=
www.nisonger.com/" target=3D"_blank" data-mce-href=3D"http://www.nisonger.c=
om/">http://www.nisonger.com/</a><br data-mce-bogus=3D"1"></p><p class=3D"M=
soNormal">&nbsp;</p><p class=3D"MsoNormal">WD&nbsp; 67BJ8&nbsp; 190,000+mil=
es</p><p class=3D"MsoNormal">&nbsp;</p><p class=3D"MsoNormal">Sent from <a =
href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986" target=3D"_blank"=
 data-mce-href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986">Mail</a=
> for Windows 10</p><p class=3D"MsoNormal">&nbsp;</p><div style=3D"mso-elem=
ent: para-border-div; border: none; border-top: solid #E1E1E1 1.0pt; paddin=
g: 3.0pt 0in 0in 0in;" data-mce-style=3D"mso-element: para-border-div; bord=
er: none; border-top: solid #E1E1E1 1.0pt; padding: 3.0pt 0in 0in 0in;"><p =
class=3D"MsoNormal" style=3D"border: none; padding: 0in;" data-mce-style=3D=
"border: none; padding: 0in;"><b>From: </b><a href=3D"mailto:healeys@autox.=
team.net" target=3D"_blank" data-mce-href=3D"mailto:[email-masked]"=
>Fred Wescoe via Healeys</a><br><b>Sent: </b>Friday, November 27, 2020 11:0=
9 AM<br><b>To: </b><a href=3D"mailto:[email-masked]" target=3D"_bla=
nk" data-mce-href=3D"mailto:[email-masked]">healeys</a><br><b>Subje=
ct: </b>[Healeys] Tach question</p></div><p class=3D"MsoNormal">&nbsp;</p><=
div><p class=3D"MsoNormal">Listers,</p><div><p class=3D"MsoNormal">&nbsp;</=
p></div><div><p class=3D"MsoNormal">A few days ago, on one of the lists, th=
ere was discussion&nbsp;of a 66 BJ8 electronic tach that was not reading co=
rrectly after installing a Pertronix ignition setup.&nbsp; I just installed=
 the Pertronix (points conversion) system and coil and now&nbsp;the tach do=
es not read correctly.&nbsp; The comments mentioned that&nbsp;tachs&nbsp;ha=
d to be rebuilt specifically for the pertonics conversion.&nbsp; Several pl=
aces that repair/rebuild/calibrate our Smiths tachometer with the Pertronix=
 ignition system were recommended.&nbsp; As I put the&nbsp;car away for win=
ter, I would like to get the tach repaired/rebuilt/calibrated.&nbsp; I have=
 lost those comments and therefore the links to those repair sources.&nbsp;=
 Can anyone refer me to those services?&nbsp; &nbsp;</p></div><div><p class=
=3D"MsoNormal">&nbsp;</p></div><div><p class=3D"MsoNormal">Thanks&nbsp;as a=
lways for the comments and wisdom,</p></div><div><p class=3D"MsoNormal">&nb=
sp;</p></div><div><p class=3D"MsoNormal">Fred</p></div></div><p class=3D"Ms=
oNormal">66 BJ8</p><p class=3D"MsoNormal">&nbsp;</p></div><div><br></div><d=
iv><br></div></body></html>
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[email-masked]

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