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Re: [Mgs] MGB not (re)starting

To: mgs@autox.team.net
Subject: Re: [Mgs] MGB not (re)starting
From: Steve Shoyer via Mgs <mgs@autox.team.net>
Date: Tue, 10 Mar 2020 15:44:34 -0400
Delivered-to: mharc@autox.team.net
Delivered-to: mgs@autox.team.net
References: <55385469.132755.1583862378325@email.ionos.com> <0F36F88A-D066-4E20-A77A-A06053E71B66@sonic.net> <00e101d5f70a$545248b0$fcf6da10$@ranteer.com> <479758349.7372527.1583867851052@mail.yahoo.com>
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Thanks.  I don't think it's the battery.  The battery is about two years 
old, and it's been plugged into a battery tender over the winter.  I 
didn't have any trouble getting the starter to crank, and I was running 
the starter for a while without the battery appearing to run down.

I'll have to test it by starting the car cold, driving it around my 
neighborhood for a while, then parking it back in my garage and trying 
to restart it after 20-30 minutes.  If it won't start I can pull the 
plugs and take a look, and also test the battery to see if it wasn't 
holding the charge.  I can also check compression at that point - maybe 
the head gets loose when it warms up?

I also thought it might be the coil - I had read that sometimes after 
the coil gets warm it can cause intermittent problems.  If that was the 
case I'd think the car wouldn't run after being push started, but I'm 
far from an expert.  I was just guessing at the carb because I've never 
been good at tuning carbs, and it's the last thing I changed on the car.

--Steve

On 3/10/2020 3:17 PM, Michael MacLean via Mgs wrote:
> Check the battery connections, clean and replace.
> Mike MacLean
> 69 MGB GT
>
> On Tuesday, March 10, 2020, 11:41:43 AM PDT, dave via Mgs 
> <mgs@autox.team.net> wrote:
>
>
> What is the voltage on the battery?  See:
>
> https://shop.advanceautoparts.com/r/advice/car-maintenance/car-battery-voltage-range
>
> *From:* Mgs <mgs-bounces@autox.team.net> *On Behalf Of *Max Heim via Mgs
> *Sent:* Tuesday, March 10, 2020 12:59 PM
> *To:* MGs <mgs@autox.team.net>
> *Subject:* Re: [Mgs] MGB not (re)starting
>
> What makes you think it was carb related? The fact that you could push 
> start it makes me think it was more likely battery or starter related. 
> It being the end of winter, I suspect a flat battery.
>
> --
>
> Max Heim
>
> '66 MGB
>
>     On Mar 10, 2020, at 10:46 AM, Steve Shoyer via Mgs
>
>     It was in the 70's yesterday, so I took my 1980 MGB out for a
>     ride.  My current carb is a Weber 38 DGES that I installed when I
>     replaced the cam two years ago.  I drove around last year and it
>     was running well, until one day when I stopped at a store for a
>     few minutes and then couldn't get the car restarted.  After trying
>     to get it going I wound up calling my daughter for help and we got
>     it push-started. Yesterday the same thing happened. After the push
>     start the car ran fine, but I just drove it home rather than risk
>     another problem.  I was trying some starter fluid to get it going
>     yesterday, but that didn't work.  I thought that maybe the gas in
>     the tank is old, but the car started up after a little cranking
>     when I originally left the house.
>
>     Any suggestions on where to look?  I didn't plumb the coolant line
>     through the manifold to heat it, but I don't drive too much in
>     cold weather so I didn't think it would be needed.  I thought that
>     the problem last summer could have been vapor lock, but starter
>     fluid should have worked if that was the issue.
>
>     Thanks.
>
>     --Steve (1980 MGB)
>
>


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    <p>Thanks.  I don't think it's the battery.  The battery is about
      two years old, and it's been plugged into a battery tender over
      the winter.  I didn't have any trouble getting the starter to
      crank, and I was running the starter for a while without the
      battery appearing to run down.</p>
    <p>I'll have to test it by starting the car cold, driving it around
      my neighborhood for a while, then parking it back in my garage and
      trying to restart it after 20-30 minutes.  If it won't start I can
      pull the plugs and take a look, and also test the battery to see
      if it wasn't holding the charge.  I can also check compression at
      that point - maybe the head gets loose when it warms up?<br>
    </p>
    <p>I also thought it might be the coil - I had read that sometimes
      after the coil gets warm it can cause intermittent problems.  If
      that was the case I'd think the car wouldn't run after being push
      started, but I'm far from an expert.  I was just guessing at the
      carb because I've never been good at tuning carbs, and it's the
      last thing I changed on the car.</p>
    <p>--Steve<br>
    </p>
    <div class="moz-cite-prefix">On 3/10/2020 3:17 PM, Michael MacLean
      via Mgs wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:479758349.7372527.1583867851052@mail.yahoo.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div class="ydpf7b70219yahoo-style-wrap" style="font-family:times
        new roman, new york, times, serif;font-size:16px;">
        <div dir="ltr" data-setdir="false">Check the battery
          connections, clean and replace.<br>
        </div>
        <div dir="ltr" data-setdir="false">Mike MacLean</div>
        <div dir="ltr" data-setdir="false">69 MGB GT<br>
        </div>
        <div><br>
        </div>
      </div>
      <div id="yahoo_quoted_4146678925" class="yahoo_quoted">
        <div style="font-family:'Helvetica Neue', Helvetica, Arial,
          sans-serif;font-size:13px;color:#26282a;">
          <div> On Tuesday, March 10, 2020, 11:41:43 AM PDT, dave via
            Mgs <a class="moz-txt-link-rfc2396E" 
href="mailto:mgs@autox.team.net";>&lt;mgs@autox.team.net&gt;</a> wrote: </div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div>
            <div id="yiv4099544913">
              <style>#yiv4099544913 #yiv4099544913 --
 
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              <div>
                <div class="yiv4099544913WordSection1">
                  <p class="yiv4099544913MsoNormal">What is the voltage
                    on the battery?  See:</p>
                  <p class="yiv4099544913MsoNormal">  </p>
                  <p class="yiv4099544913MsoNormal"><a rel="nofollow"
                      shape="rect" target="_blank"
href="https://shop.advanceautoparts.com/r/advice/car-maintenance/car-battery-voltage-range";
                      
moz-do-not-send="true">https://shop.advanceautoparts.com/r/advice/car-maintenance/car-battery-voltage-range</a></p>
                  <p class="yiv4099544913MsoNormal">  </p>
                  <p class="yiv4099544913MsoNormal">  </p>
                  <div class="yiv4099544913yqt8942878181"
                    id="yiv4099544913yqt49081">
                    <div>
                      <div style="border:none;border-top:solid #E1E1E1
                        1.0pt;padding:3.0pt 0in 0in 0in;">
                        <p class="yiv4099544913MsoNormal"><b>From:</b>
                          Mgs <a class="moz-txt-link-rfc2396E" 
href="mailto:mgs-bounces@autox.team.net";>&lt;mgs-bounces@autox.team.net&gt;</a> 
<b>On
                            Behalf Of </b>Max Heim via Mgs<br
                            clear="none">
                          <b>Sent:</b> Tuesday, March 10, 2020 12:59 PM<br
                            clear="none">
                          <b>To:</b> MGs <a class="moz-txt-link-rfc2396E" 
href="mailto:mgs@autox.team.net";>&lt;mgs@autox.team.net&gt;</a><br
                            clear="none">
                          <b>Subject:</b> Re: [Mgs] MGB not (re)starting</p>
                      </div>
                    </div>
                    <p class="yiv4099544913MsoNormal">  </p>
                    <p class="yiv4099544913MsoNormal">What makes you
                      think it was carb related? The fact that you could
                      push start it makes me think it was more likely
                      battery or starter related. It being the end of
                      winter, I suspect a flat battery.</p>
                    <div>
                      <p class="yiv4099544913MsoNormal">  </p>
                    </div>
                  </div>
                  <div>
                    <div class="yiv4099544913yqt8942878181"
                      id="yiv4099544913yqt99890">
                      <div>
                        <div>
                          <div>
                            <div>
                              <p class="yiv4099544913MsoNormal"><span
                                  
style="font-size:10.0pt;color:black;">--</span></p>
                            </div>
                            <div>
                              <p class="yiv4099544913MsoNormal"><span
                                  style="font-size:10.0pt;color:black;">Max
                                  Heim</span></p>
                            </div>
                            <div>
                              <p class="yiv4099544913MsoNormal"><span
                                  style="font-size:10.0pt;color:black;">'66
                                  MGB</span></p>
                            </div>
                          </div>
                        </div>
                      </div>
                      <div>
                        <p class="yiv4099544913MsoNormal">  </p>
                      </div>
                      <p class="yiv4099544913MsoNormal">  </p>
                      <div>
                        <blockquote
                          style="margin-top:5.0pt;margin-bottom:5.0pt;">
                          <div>
                            <p class="yiv4099544913MsoNormal">On Mar 10,
                              2020, at 10:46 AM, Steve Shoyer via Mgs
                              &lt;<a rel="nofollow" shape="rect"
                                ymailto="mailto:mgs@autox.team.net";
                                target="_blank"
                                href="mailto:mgs@autox.team.net";
                                
moz-do-not-send="true">mgs@autox.team.net</a>&gt;
                              wrote:</p>
                          </div>
                          <p class="yiv4099544913MsoNormal">  </p>
                          <div>
                            <div>
                              <div>
                                <p class="yiv4099544913MsoNormal">It was
                                  in the 70's yesterday, so I took my
                                  1980 MGB out for a ride.  My current
                                  carb is a Weber 38 DGES that I
                                  installed when I replaced the cam two
                                  years ago.  I drove around last year
                                  and it was running well, until one day
                                  when I stopped at a store for a few
                                  minutes and then couldn't get the car
                                  restarted.  After trying to get it
                                  going I wound up calling my daughter
                                  for help and we got it push-started. 
                                  Yesterday the same thing happened. 
                                  After the push start the car ran fine,
                                  but I just drove it home rather than
                                  risk another problem.  I was trying
                                  some starter fluid to get it going
                                  yesterday, but that didn't work.  I
                                  thought that maybe the gas in the tank
                                  is old, but the car started up after a
                                  little cranking when I originally left
                                  the house. </p>
                              </div>
                              <div>
                                <p class="yiv4099544913MsoNormal">  </p>
                              </div>
                              <div>
                                <p class="yiv4099544913MsoNormal">Any
                                  suggestions on where to look?  I
                                  didn't plumb the coolant line through
                                  the manifold to heat it, but I don't
                                  drive too much in cold weather so I
                                  didn't think it would be needed.  I
                                  thought that the problem last summer
                                  could have been vapor lock, but
                                  starter fluid should have worked if
                                  that was the issue. </p>
                              </div>
                              <div>
                                <p class="yiv4099544913MsoNormal">  </p>
                              </div>
                              <div>
                                <p class="yiv4099544913MsoNormal">Thanks.
                                </p>
                              </div>
                              <div>
                                <p class="yiv4099544913MsoNormal">  </p>
                              </div>
                              <div>
                                <p class="yiv4099544913MsoNormal">--Steve
                                  (1980 MGB) </p>
                              </div>
                            </div>
                            <br>
                          </div>
                        </blockquote>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </blockquote>
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