Subject: Re: [TR] Missing MG midget

From: Greg Lemon <[email-masked]>
Date: Tue, 17 Dec 2019 18:17:05 -0600

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I know you said float bowls full, but first thing I think is sediment in
the fuel line or bottom of the tank, flow pushes it into restriction point,
car misses and stops, pressure is released, flows again, rinse, lather,
repeat.

But if you are sure it is not that, maybe capcitator (once, I had one go
out, and it gave a weak intermittent spark that got worse when things
heated up) or coil.

Greg Lemon
TR250

On Tue, Dec 17, 2019, 5:25 PM William Pugh <[email-masked]> wrote:

>
> I know=E2=80=A6not a Triumph=E2=80=A6but he is a good guy and the 948cc e=
ngines are all
> alike=E2=80=A6maybe.
>
> Anyway it starts instantly, sounds good, off for a drive=E2=80=A6begins m=
issing,
> badly.
>
> Stop =E2=80=A6 wait 10minutes =E2=80=A6 starts right up.   ???  fuel pump=
 works, carb
> bowls full =E2=80=A6 tis a puzzle .
>
> I think there must be a kink somewhere in the fuel  system, near exhaust,
> expands/closes=E2=80=A6put, put.  Running rich plugs black.  We have trie=
d almost
> everything with no success , any ideas greatly appreciated .
>
> Thanks for listening
> Bill Pugh
>
> Life is too short
> to drive Boring Cars
>
>
>
> ** [email-masked] **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/[email-masked]
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<div dir=3D"auto">I know you said float bowls full, but first thing I think=
 is sediment in the fuel line or bottom of the tank, flow pushes it into re=
striction point, car misses and stops, pressure is released, flows again, r=
inse, lather, repeat.<div dir=3D"auto"><br></div><div dir=3D"auto">But if y=
ou are sure it is not that, maybe capcitator (once, I had one go out, and i=
t gave a weak intermittent spark that got worse when things heated up) or c=
oil.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Greg Lemon</div><di=
v dir=3D"auto">TR250</div></div><br><div class=3D"gmail_quote"><div dir=3D"=
ltr" class=3D"gmail_attr">On Tue, Dec 17, 2019, 5:25 PM William Pugh &lt;<a=
 href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:=
<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex"><br>
I know=E2=80=A6not a Triumph=E2=80=A6but he is a good guy and the 948cc eng=
ines are all alike=E2=80=A6maybe.<br>
<br>
Anyway it starts instantly, sounds good, off for a drive=E2=80=A6begins mis=
sing, badly.<br>
<br>
Stop =E2=80=A6 wait 10minutes =E2=80=A6 starts right up.=C2=A0 =C2=A0???=C2=
=A0 fuel pump works, carb bowls full =E2=80=A6 tis a puzzle .<br>
<br>
I think there must be a kink somewhere in the fuel=C2=A0 system, near exhau=
st, expands/closes=E2=80=A6put, put.=C2=A0 Running rich plugs black.=C2=A0 =
We have tried almost everything with no success , any ideas greatly appreci=
ated .<br>
<br>
Thanks for listening <br>
Bill Pugh<br>
<br>
Life is too short<br>
to drive Boring Cars<br>
<br>
<br>
<br>
** <a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"nore=
ferrer">[email-masked]</a> **<br>
<br>
errer" target=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs" rel=3D"noreferr=
er noreferrer" target=3D"_blank">http://www.team.net/pipermail/triumphs</a>=
=C2=A0 <a href=3D"http://www.team.net/archive" rel=3D"noreferrer noreferrer=
" target=3D"_blank">http://www.team.net/archive</a><br>
<br>
hs/[email-masked]" rel=3D"noreferrer noreferrer" target=3D"_blank">http:/=
/autox.team.net/mailman/options/triumphs/[email-masked]</a><br>
</blockquote></div>

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From: TERRY SMITH <[email-masked]>
Date: Wed, 18 Dec 2019 09:07:58 -0500 (EST)

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So it sounds like it runs fine, then begins missing when driving.  Does it =
begin missing immediately when under load?  Just wondering if the spark plu=
g wires might be old and arcing under the insulation.  That or something el=
se with the ignition, such as Greg's thought about the coil which would esp=
ecially show itself when warmed up. =20

> On December 17, 2019 at 7:17 PM Greg Lemon <[email-masked]> wrote:
>=20
>     I know you said float bowls full, but first thing I think is sediment=
 in the fuel line or bottom of the tank, flow pushes it into restriction po=
int, car misses and stops, pressure is released, flows again, rinse, lather=
, repeat.
>=20
>     But if you are sure it is not that, maybe capcitator (once, I had one=
 go out, and it gave a weak intermittent spark that got worse when things h=
eated up) or coil.
>=20
>     Greg Lemon
>     TR250
>=20
>     On Tue, Dec 17, 2019, 5:25 PM William Pugh < [email-masked] ma=
ilto:[email-masked] > wrote:
>=20
>         > >         I know=E2=80=A6not a Triumph=E2=80=A6but he is a good=
 guy and the 948cc engines are all alike=E2=80=A6maybe.
> >=20
> >         Anyway it starts instantly, sounds good, off for a drive=E2=80=
=A6begins missing, badly.
> >=20
> >         Stop =E2=80=A6 wait 10minutes =E2=80=A6 starts right up.   ??? =
 fuel pump works, carb bowls full =E2=80=A6 tis a puzzle .
> >=20
> >         I think there must be a kink somewhere in the fuel  system, nea=
r exhaust, expands/closes=E2=80=A6put, put.  Running rich plugs black.  We =
have tried almost everything with no success , any ideas greatly appreciate=
d .
> >=20
> >         Thanks for listening
> >         Bill Pugh
> >=20
> >         Life is too short
> >         to drive Boring Cars
> >=20
> >=20
> >=20
> >         ** [email-masked] mailto:[email-masked] **
> >=20
> >         Archive: http://www.team.net/pipermail/triumphs  http://www.tea=
m.net/archive
> >=20
> >         Unsubscribe/Manage: http://autox.team.net/mailman/options/trium=
phs/[email-masked]
> >=20
>=20
>     Archive: http://www.team.net/pipermail/triumphs http://www.team.net/a=
rchive
>=20
>     Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/te=
[email-masked]
>=20

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<!doctype html>
<html>
 <head>=20
  <meta charset=3D"UTF-8">=20
 </head>
 <body>
  <div style=3D"font-size: 12pt; font-family: helvetica, arial, sans-serif;=
 color: rgb(51, 51, 51);">
   So it sounds like it runs fine, then begins missing when driving.&nbsp; =
Does it begin missing immediately when under load?&nbsp; Just wondering if =
the spark plug wires might be old and arcing under the insulation.&nbsp; Th=
at or something else with the ignition, such as Greg's thought about the co=
il which would especially show itself when warmed up.&nbsp;&nbsp;
  </div>
  <blockquote type=3D"cite">
   On December 17, 2019 at 7:17 PM Greg Lemon &lt;[email-masked]&gt; wrot=
e:=20
   <br>=20
   <br>
   <div dir=3D"auto">
    I know you said float bowls full, but first thing I think is sediment i=
n the fuel line or bottom of the tank, flow pushes it into restriction poin=
t, car misses and stops, pressure is released, flows again, rinse, lather, =
repeat.
    <div dir=3D"auto">
     <br>
    </div>
    <div dir=3D"auto">
     But if you are sure it is not that, maybe capcitator (once, I had one =
go out, and it gave a weak intermittent spark that got worse when things he=
ated up) or coil.
    </div>
    <div dir=3D"auto">
     <br>
    </div>
    <div dir=3D"auto">
     Greg Lemon
    </div>
    <div dir=3D"auto">
     TR250
    </div>
   </div>
   <br>
   <div class=3D"ox-646de76d36-gmail_quote">
    <div class=3D"ox-646de76d36-gmail_attr" dir=3D"ltr">
     On Tue, Dec 17, 2019, 5:25 PM William Pugh &lt;=20
     <a href=3D"mailto:[email-masked]">[email-masked]</a>&gt;=
 wrote:=20
     <br>
    </div>
    <blockquote>
     <br> I know=E2=80=A6not a Triumph=E2=80=A6but he is a good guy and the=
 948cc engines are all alike=E2=80=A6maybe.=20
     <br>=20
     <br> Anyway it starts instantly, sounds good, off for a drive=E2=80=A6=
begins missing, badly.=20
     <br>=20
     <br> Stop =E2=80=A6 wait 10minutes =E2=80=A6 starts right up.&nbsp; &n=
bsp;???&nbsp; fuel pump works, carb bowls full =E2=80=A6 tis a puzzle .=20
     <br>=20
     <br> I think there must be a kink somewhere in the fuel&nbsp; system, =
near exhaust, expands/closes=E2=80=A6put, put.&nbsp; Running rich plugs bla=
ck.&nbsp; We have tried almost everything with no success , any ideas great=
ly appreciated .=20
     <br>=20
     <br> Thanks for listening=20
     <br> Bill Pugh=20
     <br>=20
     <br> Life is too short=20
     <br> to drive Boring Cars=20
     <br>=20
     <br>=20
     <br>=20
     <br> **=20
     <a target=3D"_blank" href=3D"mailto:[email-masked]" rel=3D"no=
opener">[email-masked]</a> **=20
     <br>=20
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oopener">http://www.team.net/donate.html</a>=20
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