<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:12pt"><div style="RIGHT: auto"><SPAN style="RIGHT: auto">For my "theory" I propose either a<VAR id=yui-ie-cursor></VAR> dead cat in the consolidation spigot or an overtorqued</SPAN></div>
<div style="RIGHT: auto"><SPAN style="RIGHT: auto">frazmataz.</SPAN></div>
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<div class=yiv1047037791MsoNormal><SPAN style="COLOR: #1f497d; FONT-SIZE: 11pt">What????!!!! “Gap settings can change on one as you adjust the next.” ???? Not!</SPAN></div>
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<div class=yiv1047037791MsoNormal><B><SPAN style="FONT-SIZE: 10pt">From:</SPAN></B><SPAN style="FONT-SIZE: 10pt"> bmcu-bounces@autox.team.net [mailto:bmcu-bounces@autox.team.net] <B>On Behalf Of </B>Richard Sanders<BR><B>Sent:</B> Tuesday, October 18, 2011 8:24 PM<BR><B>To:</B> DUFF LAWSON<BR><B>Cc:</B> bmcu<BR><B>Subject:</B> Re: [Bmcu] FW: MGB Owner Needs Help</SPAN></div></DIV></DIV>
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<div class=yiv1047037791MsoNormal>this is a longshot, but the symptoms might support it. Have you considered that the gap on one of the exhaust valves is too wide? Gap settings can change on one as you adjust the next. The reason I'm thinking about this is your comment about the start then stall and also the miss and especially the backfire out the carb. An overgapped exhaust valve would cause chamber pressure on one cylinder to build up and burp back out into the intake manifold as other cylinders are trying to inhale. If this theory is correct then that would interfere with the mixture going into other cylinders causing no fire or intermittent firing. It could also explain the backfire out the carb if the exhaust valve is not opening until well after the moment of combustion on the overgapped cylinder. </div></DIV>
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<div class=yiv1047037791MsoNormal>Just a theory and not advice, for sure as I'm a fellow tinkerer.</div></DIV>
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<div class=yiv1047037791MsoNormal>Rich Sanders </div></DIV>
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<div class=yiv1047037791MsoNormal>BMCU expat currently serving time with Minnesota Triumphs</div></DIV>
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<div class=yiv1047037791MsoNormal><BR>Sent from my iPad</div></DIV>
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<div style="MARGIN-BOTTOM: 12pt" class=yiv1047037791MsoNormal><BR>On Oct 18, 2011, at 9:49 AM, DUFF LAWSON <<A href="mailto:duff_lawson@msn.com" rel=nofollow target=_blank ymailto="mailto:duff_lawson@msn.com">duff_lawson@msn.com</A>> wrote:</div></DIV>
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<div style="MARGIN-BOTTOM: 12pt" class=yiv1047037791MsoNormal>Date: Thu, 13 Oct 2011 17:45:35 -0700<BR>From: <A href="mailto:sabner@yahoo.com" rel=nofollow target=_blank ymailto="mailto:sabner@yahoo.com">sabner@yahoo.com</A><BR>Subject: MGB Owner Needs Help<BR>To: <A href="mailto:duff_lawson@msn.com" rel=nofollow target=_blank ymailto="mailto:duff_lawson@msn.com">duff_lawson@msn.com</A></div>
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<div style="BACKGROUND: white" class=yiv1047037791MsoNormal><SPAN style="COLOR: black">Hey Duff, would you please forward this to team? I'm having problems with my MGBGT, and I'm totally out of ideas. Let me recap: My MG hasn't been driven much this year due to health problems (mine), and when I took it in for inspection and emissions testing, it failed the idle part of the test, too much HC. Now when I fired it up to take it for testing in August, it fired right up and ran great. I'm thinking maybe I didn't get it warmed up well enough before they put the probe in tail pipe. But recently, as my physical problems have abated, I've replace the spark plugs, one at a time, changed the oil and filter, checked the timing and adjusted the valves. After all that, it did start briefly, but immediately died. After much cranking it restarted, but it had ahuge miss and backfire. I checked that I still ahd
correct firing order and distributor rotation, and all of that is okay. I replaced the coil, and now I get a strong blue spark that will jump a 3/8" gap from the spark plug end of all the spark plug wires, so the spark is good. I checked spark through my new spark plugs, and it was yellow and feeble, so I bought some more (better) spark plugs. But it still won't start. It does get an occasional pop back through the carbs. I'm out of ideas; does someone have a suggestion? Now that my health is returning, I'm going back to work and I need the car for my daily driver. If anyone has any suggestions, please let me know at <A href="mailto:sabner@yahoo.com" rel=nofollow target=_blank ymailto="mailto:sabner@yahoo.com">sabner@yahoo.com</A>.</SPAN></div></DIV>
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<div style="BACKGROUND: white" class=yiv1047037791MsoNormal><SPAN style="COLOR: black">Thank you very much in advance, I appreciate any suggestions.</SPAN></div></DIV></DIV></DIV></DIV></DIV></BLOCKQUOTE>
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