<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1473084091522_81417">Paul, the idea of brake fluid being pulled into the carb is interesting - how would I tell? <br></div><div id="yui_3_16_0_ym19_1_1473084091522_81452"><br></div><div id="yui_3_16_0_ym19_1_1473084091522_81453" dir="ltr">I am running the automatic water choke on the Z-S carb. I do have a manual choke conversion kit I was thinking of installing.</div><div id="yui_3_16_0_ym19_1_1473084091522_81454" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1473084091522_81456" dir="ltr">Thx, Dan<br></div><div id="yui_3_16_0_ym19_1_1473084091522_81415"><span></span></div><div id="yui_3_16_0_ym19_1_1473084091522_81416" class="qtdSeparateBR"><br><br></div><div style="display: block;" id="yui_3_16_0_ym19_1_1473084091522_81460" class="yahoo_quoted"> <div id="yui_3_16_0_ym19_1_1473084091522_81459" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;"> <div id="yui_3_16_0_ym19_1_1473084091522_81458" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_ym19_1_1473084091522_81457" dir="ltr"> <font id="yui_3_16_0_ym19_1_1473084091522_81461" size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> "Paul Root ptroot@gmail.com [MG-MGB]" <MG-MGB@yahoogroups.com><br> <b><span style="font-weight: bold;">To:</span></b> MG-MGB <MG-MGB@yahoogroups.com> <br><b><span style="font-weight: bold;">Cc:</span></b> MG List <mgs@autox.team.net><br> <b><span style="font-weight: bold;">Sent:</span></b> Monday, September 5, 2016 3:35 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [MG-MGB] Rough Running<br> </font> </div> <div id="yui_3_16_0_ym19_1_1473084091522_81462" class="y_msg_container"><br><div id="yiv6616135647"><style type="text/css">
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My first thought is that the power brake diaphragm broke and you are sucking break fluid into the carb.<div class="yiv6616135647"><br class="yiv6616135647" clear="none"></div><div id="yui_3_16_0_ym19_1_1473084091522_81464" class="yiv6616135647">Plugs look really rich. Do you have a manual choke or the automatic water choke? That could be gummed up as well.</div><div id="yui_3_16_0_ym19_1_1473084091522_81465" class="yiv6616135647"><br class="yiv6616135647" clear="none"></div><div class="yiv6616135647yqt9944009747" id="yiv6616135647yqt69600"><div class="yiv6616135647"><br class="yiv6616135647" clear="none"><div><blockquote class="yiv6616135647" type="cite"><div class="yiv6616135647">On Sep 5, 2016, at 11:08 AM, Dan DiBiase <a rel="nofollow" shape="rect" class="yiv6616135647" ymailto="mailto:d_dibiase@yahoo.com" target="_blank" href="mailto:d_dibiase@yahoo.com">d_dibiase@yahoo.com</a> [MG-MGB] <<a rel="nofollow" shape="rect" class="yiv6616135647" ymailto="mailto:MG-MGB@yahoogroups.com" target="_blank" href="mailto:MG-MGB@yahoogroups.com">MG-MGB@yahoogroups.com</a>> wrote:</div><br class="yiv6616135647Apple-interchange-newline" clear="none"><div class="yiv6616135647"><div class="yiv6616135647" id="yiv6616135647ygrp-mlmsg" style="font-size:13px;font-family:Arial, helvetica, clean, sans-serif;font-style:normal;font-weight:normal;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255, 255, 255);position:relative;"><div class="yiv6616135647" id="yiv6616135647ygrp-msg" style="line-height:1.22em;z-index:1;"><div class="yiv6616135647" id="yiv6616135647ygrp-text" style="line-height:1.22em;font-family:Georgia;"><div class="yiv6616135647" style="line-height:1.22em;margin:0px 0px 1em;"><br class="yiv6616135647webkit-block-placeholder" clear="none"></div><div class="yiv6616135647" style="line-height:1.22em;background-color:rgb(255, 255, 255);font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;font-size:13px;"><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_30828" style="line-height:1.22em;">Hi - last year, my '76B (with '75 engine and single Z-S carb) died while I was out driving and would not restart. Once back home, I managed to get it to start but it runs very rough and</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_30954" style="line-height:1.22em;">generates some light smoke - not dense clouds, and not white (like with a head gasket leak) but stinky none-the-less. I posted a video here -</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31019" style="line-height:1.22em;"><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_30990" style="line-height:1.22em;"><a rel="nofollow" shape="rect" class="yiv6616135647" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31311" target="_blank" href="http://s24.photobucket.com/user/ddibiase/media/1976%20MGB%20Engine%20Work/6C2F4746-A8C6-4D19-BA08-399597F43772_zpsvgtqyk59.mp4.html" style="line-height:1.22em;">http://s24.photobucket.com/user/ddibiase/media/1976%20MGB%20Engine%20Work/6C2F4746-A8C6-4D19-BA08-399597F43772_zpsvgtqyk59.mp4.html</a><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31042" style="line-height:1.22em;"><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31033" style="line-height:1.22em;">That gives a sense of idle roughness, if not the light smoke... The tach is steady at idle.<span class="yiv6616135647Apple-converted-space"> </span><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31114" style="line-height:1.22em;"><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31115" style="line-height:1.22em;">I've replaced spark plugs and distributor rotor, as well as cleaned the contacts in the plug leads. Just installed a new electronic fuel pump as the old one crapped out. Lines are clear</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31116" style="line-height:1.22em;">and fuel filter fills nicely. Carb was rebuilt about 4 years ago and before the car died on me last year, the car ran very well. I did open it up to check the diaphragm and floats, they are fine</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31135" style="line-height:1.22em;">and the carb was clean inside. Car has about gas, most from last year but with 2 gallons from today added.</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31351" style="line-height:1.22em;"><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31369" style="line-height:1.22em;">I did not try to drive it as the brakes need to be bled....<br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31163" style="line-height:1.22em;"><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31162" style="line-height:1.22em;">I've changed jobs recently and now have time to get this car back on the road and need some help as to where to start....</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31160" style="line-height:1.22em;"><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31161" style="line-height:1.22em;">Thx,</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31388" style="line-height:1.22em;"><br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31247" style="line-height:1.22em;">Dan D</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31248" style="line-height:1.22em;">'76B, '65B</div><div class="yiv6616135647" dir="ltr" id="yiv6616135647yui_3_16_0_ym19_1_1473084091522_31249" style="line-height:1.22em;">Central NJ USA<br class="yiv6616135647" style="line-height:1.22em;" clear="none"></div></div><div class="yiv6616135647" style="line-height:1.22em;margin:0px 0px 1em;"><br class="yiv6616135647webkit-block-placeholder" clear="none"></div></div><div class="yiv6616135647" style="line-height:1.22em;color:rgb(255, 255, 255);min-height:0px;"></div></div></div></div></blockquote></div><br class="yiv6616135647" clear="none"></div></div>
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Posted by: Paul Root <ptroot@gmail.com> <hr style="min-height:2px;border-width:0;color:#E3E3E3;background-color:#E3E3E3;">
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