<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Century;
panose-1:2 4 6 4 5 5 5 2 3 4;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal;
font-family:"Times New Roman","serif";
color:windowtext;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Times New Roman","serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt'>G’day<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>As a matter of interest, the SUs fitted to our 1948 Healey Saloon are not fitted with rods at all.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>The caps are made from black Bakelite and I use dashpot oil sold by SU.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Hoo Roo<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Patrick Quinn<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'>Blue Mountains, Australia<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Healeys [mailto:healeys-bounces@autox.team.net] <b>On Behalf Of </b>Michael Salter<br><b>Sent:</b> Wednesday, 16 June 2021 8:46 AM<br><b>To:</b> Harold Manifold<br><b>Cc:</b> Ahealey help<br><b>Subject:</b> Re: [Healeys] Dashpot OIl Wt<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On later SUs with plastic caps a carb backfire will send the rod up through the cap if too heavy an oil is used.<o:p></o:p></p><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 Tue., Jun. 15, 2021, 6:42 p.m. Harold Manifold via Healeys, <<a href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I checked two versions of the Healy Workshop Manual:<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Issue 2 – 20W/20 or 20W/30<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Issue 9 – 10W/30 or 10W/40<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Both manuals have this statement “In no circumstances should a heavy-bodied lubricant be used”. The oil is to act as a damper and reduce the pistons in the carburetor from fluttering. Once the temperature gets above about 40 deg C the viscosity is very similar for all of the lubricants mentioned. Note 75W/90 gear oil is very close to 15W/40 motor oil. Straight 90 is probably not a good choice as it will be heavy-bodied at lower temperatures.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>The manuals suggest the lightest oil that will control piston flutter is the right one.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Harold<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US>From: </span></b><span lang=EN-US><a href="mailto:healeys@autox.team.net" target="_blank">David Nock BCS via Healeys</a><br><b>Sent: </b>Tuesday, June 15, 2021 2:20 PM<br><b>To: </b><a href="mailto:springer.mike51@gmail.com" target="_blank">Michael MacLean</a>; <a href="mailto:healeys@autox.team.net" target="_blank">Ahealey help</a><br><b>Subject: </b>Re: [Healeys] Dashpot OIl Wt<o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-family:"Century","serif";color:black'>We have used 20 / 50 straight from an oil can on the bench for 40 years and never had a problem.</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-family:"Century","serif";color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-family:"Century","serif";color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-family:"Century","serif";color:black'>David Nock<br>British Car Specialists<br>209-948-8767<br><a href="http://www.britishcarspecialists.com" target="_blank">www.britishcarspecialists.com</a></span><span lang=EN-US><o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-family:"Century","serif";color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> Michael MacLean via Healeys </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Sent:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> Tuesday, June 15, 2021 1:18 PM</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>To:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> Ahealey help </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Subject:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> [Healeys] Dashpot OIl Wt</span><span lang=EN-US><o:p></o:p></span></p></div></div></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div></div><div><div><div id="m_5096095987976428959gmail-:1hh"><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:black'>I watched a recent John Twist YouTube video today on fitting H type SU carbs to a T type MG. In the video he says to use 90 wt gear oil in the dashpot. He also said the lighter oils and ATF that so many people recommend contribute to the early wear and tear on the carb. Anyone else using this weight oil in the carb? All my life I have been putting 20 wt oil in the dashpot. </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:black'>Mike MacLean</span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='color:black'><img border=0 width=708 height=1 id="m_5096095987976428959Horizontal_x0020_Line_x0020_1" src="cid:image002.png@01D761F5.4B97CB80"></span><span lang=EN-US><o:p></o:p></span></p></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span lang=EN-US style='color:black'>_______________________________________________<br>Support Team.Net <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Suggested annual donation $12.75<br><br>Archive: <a href="http://www.team.net/pipermail/healeys" target="_blank">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive" target="_blank">http://autox.team.net/archive</a><br><br><a href="mailto:Healeys@autox.team.net" target="_blank">Healeys@autox.team.net</a><br><a href="http://autox.team.net/mailman/listinfo/healeys" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/healeydoc@gmail.com" target="_blank">http://autox.team.net/mailman/options/healeys/healeydoc@gmail.com</a></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>Support Team.Net <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Suggested annual donation $12.75<br><br>Archive: <a href="http://www.team.net/pipermail/healeys" target="_blank">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive" target="_blank">http://autox.team.net/archive</a><br><br><a href="mailto:Healeys@autox.team.net" target="_blank">Healeys@autox.team.net</a><br><a href="http://autox.team.net/mailman/listinfo/healeys" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/michaelsalter@gmail.com" target="_blank">http://autox.team.net/mailman/options/healeys/michaelsalter@gmail.com</a><o:p></o:p></p></blockquote></div></div></body></html>