<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">My first thought is that the power brake diaphragm broke and you are sucking break fluid into the carb.<div class=""><br class=""></div><div class="">Plugs look really rich. Do you have a manual choke or the automatic water choke? That could be gummed up as well.</div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Sep 5, 2016, at 11:08 AM, Dan DiBiase <a href="mailto:d_dibiase@yahoo.com" class="">d_dibiase@yahoo.com</a> [MG-MGB] <<a href="mailto:MG-MGB@yahoogroups.com" class="">MG-MGB@yahoogroups.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div id="ygrp-mlmsg" style="font-size: 13px; font-family: Arial, helvetica, clean, sans-serif; font-style: normal; font-variant-caps: normal; font-weight: normal; 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; background-color: rgb(255, 255, 255); position: relative;" class=""><div id="ygrp-msg" style="line-height: 1.22em; z-index: 1;" class=""><div id="ygrp-text" style="line-height: 1.22em; font-family: Georgia;" class=""><div style="line-height: 1.22em; margin: 0px 0px 1em;" class=""><br class="webkit-block-placeholder"></div><div 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;" class=""><div dir="ltr" id="yui_3_16_0_ym19_1_1473084091522_30828" style="line-height: 1.22em;" class="">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 id="yui_3_16_0_ym19_1_1473084091522_30954" dir="ltr" style="line-height: 1.22em;" class="">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 id="yui_3_16_0_ym19_1_1473084091522_31019" dir="ltr" style="line-height: 1.22em;" class=""><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_30990" dir="ltr" style="line-height: 1.22em;" class=""><a id="yui_3_16_0_ym19_1_1473084091522_31311" 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;" class="">http://s24.photobucket.com/user/ddibiase/media/1976%20MGB%20Engine%20Work/6C2F4746-A8C6-4D19-BA08-399597F43772_zpsvgtqyk59.mp4.html</a><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31042" dir="ltr" style="line-height: 1.22em;" class=""><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31033" dir="ltr" style="line-height: 1.22em;" class="">That gives a sense of idle roughness, if not the light smoke... The tach is steady at idle.<span class="Apple-converted-space"> </span><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31114" dir="ltr" style="line-height: 1.22em;" class=""><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31115" dir="ltr" style="line-height: 1.22em;" class="">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 id="yui_3_16_0_ym19_1_1473084091522_31116" dir="ltr" style="line-height: 1.22em;" class="">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 id="yui_3_16_0_ym19_1_1473084091522_31135" dir="ltr" style="line-height: 1.22em;" class="">and the carb was clean inside. Car has about gas, most from last year but with 2 gallons from today added.</div><div id="yui_3_16_0_ym19_1_1473084091522_31351" dir="ltr" style="line-height: 1.22em;" class=""><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31369" dir="ltr" style="line-height: 1.22em;" class="">I did not try to drive it as the brakes need to be bled....<br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31163" dir="ltr" style="line-height: 1.22em;" class=""><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31162" dir="ltr" style="line-height: 1.22em;" class="">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 id="yui_3_16_0_ym19_1_1473084091522_31160" dir="ltr" style="line-height: 1.22em;" class=""><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31161" dir="ltr" style="line-height: 1.22em;" class="">Thx,</div><div id="yui_3_16_0_ym19_1_1473084091522_31388" dir="ltr" style="line-height: 1.22em;" class=""><br style="line-height: 1.22em;" class=""></div><div id="yui_3_16_0_ym19_1_1473084091522_31247" dir="ltr" style="line-height: 1.22em;" class="">Dan D</div><div id="yui_3_16_0_ym19_1_1473084091522_31248" dir="ltr" style="line-height: 1.22em;" class="">'76B, '65B</div><div id="yui_3_16_0_ym19_1_1473084091522_31249" dir="ltr" style="line-height: 1.22em;" class="">Central NJ USA<br style="line-height: 1.22em;" class=""></div></div><div style="line-height: 1.22em; margin: 0px 0px 1em;" class=""><br class="webkit-block-placeholder"></div></div><div style="line-height: 1.22em; color: rgb(255, 255, 255); height: 0px;" class="">__._,_.___</div><div style="line-height: 1.22em; clear: both;" class=""></div><div id="fromDMARC" style="line-height: 1.22em; margin-top: 10px;" class=""><hr style="line-height: 1.22em; height: 2px; border-width: 0px; color: rgb(227, 227, 227); background-color: rgb(227, 227, 227);" class="">Posted by: Dan DiBiase <<a href="mailto:d_dibiase@yahoo.com" style="line-height: 1.22em;" class="">d_dibiase@yahoo.com</a>><span class="Apple-converted-space"> </span><hr style="line-height: 1.22em; height: 2px; border-width: 0px; color: rgb(227, 227, 227); background-color: rgb(227, 227, 227);" class=""></div><div style="line-height: 1.22em; clear: both;" class=""></div><table cellspacing="4px" style="line-height: 1.22em; font-size: inherit; margin-top: 10px; margin-bottom: 10px; color: rgb(45, 80, 253);" class=""><tbody style="line-height: 1.22em;" class=""><tr style="line-height: 1.22em;" class=""><td style="line-height: 1.22em; 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