<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Should have added that this is a 1966 B roadster. YMMV….<div><br id="lineBreakAtBeginningOfMessage"><div>
--<br>Max Heim<br>'66 MGB
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<div><br><blockquote type="cite"><div>On May 20, 2024, at 3:03 PM, Max Heim <mvheim@sonic.net> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><span style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">Larry’s response made me go look, and yes, it’s exactly how I described it. </span><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br></div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">The end of the choke cable is attached to a fixed object (the extension of the front carb air cleaner mounting bracket), nd the end of the cable housing is socketed into the moveable lever arm that operates the choke. </div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br></div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">So you might think you are pulling on the cable when you pull the choke knob, but what you are really doing is shortening the length of cable that is contained within the sheath, forcing the far end of the sheath to move relative to the fixed end of the cable. </div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br></div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Photo attached. </div><div style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span id="cid:9A738B45-CE87-4E5D-B409-C0967EB4DAD5-L0-001"><image0.jpeg></span><br id="lineBreakAtBeginningOfSignature"><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On May 20, 2024, at 1:24 PM, lrc@red4est.com wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="auto">I've run a variety of HS carbs over the years and have never seen one where the sheath moves.<span class="Apple-converted-space"> </span><br>Or any other carb with a choke cable for that matter.</div><br><br><div class="gmail_quote"><div dir="auto">On May 20, 2024 12:27:08 PM PDT, dave northrup <dave@ranteer.com> wrote:</div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="">I have HS4 carbs, newly rebuilt, which I am putting on an early 5 main MGB engine in an MGA. I’m all set, except the choke mechanism.<o:p></o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style=""><o:p> </o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="">A stock MGA cable has the sheath firmly attached to the knob assembly at the dashboard. It expects the choke to be pulled on by the cable.<o:p></o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style=""><o:p> </o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="">The HS4 carbs expect the sheath to move, the cable itself being held stationary at the carbs, while the knob is pulled out. I’m trying to understand the mechanism. Is it as simple as a sheath that is not attached at ether end and therefore floats, and changes position moving the choke as the cable is shortened by pulling the knob?<o:p></o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style=""><o:p> </o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="">The simplest answer would be to just get an MGB choke cable, which I might do. But first I want to understand the movement of the sheath, the cable, the knob, and the choke assembly.<o:p></o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style=""><o:p> </o:p></span></div><div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;"><span style="">Can anyone help me out here?<o:p></o:p></span></div></div></blockquote></div><div dir="auto"><div class="k9mail-signature">--<span class="Apple-converted-space"> </span><br>Sent from my Android device with K-9 Mail. Please excuse my brevity.</div></div><span>_______________________________________________</span><br><span></span><br><span>Mgs@autox.team.net</span><br><span>Donate: http://www.team.net/donate.html</span><br><span>Suggested annual donation $12.75</span><br><span></span><br><span>Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive</span><br><span></span><br><span>Unsubscribe: http://autox.team.net/mailman/options/mgs/mvheim@sonic.net</span><br></div></blockquote></div><span style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><a href="mailto:Mgs@autox.team.net" style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Mgs@autox.team.net</a><br style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">Donate:<span class="Apple-converted-space"> </span></span><a href="http://www.team.net/donate.html" style="font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">http://www.team.net/donate.html</a><br style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">Suggested annual donation $12.75</span><br style="caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><br style="caret-color: rgb(0, 0, 0); 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