Subject: Re: [TR] TR4 engine question

From: "Jerry Van Vlack" <[email-masked]>
Date: Tue, 26 Feb 2019 10:32:46 -0500

Jim, it might be that the throttle plates in one or both of the carbs is not 
fully closing allowing too much fuel to enter the intake.  Try adjusting the 
linkage to allow full closure of the throttle plates. Maybe allow it to idle 
a bit longer too may help. My car does this as well as do a lot of TR's. As 
Dave said you can also leave it in gear and let the clutch out while 
shutting down.
JVV

-----Original Message----- 
From: Jim Henningsen
Sent: Monday, February 25, 2019 8:28 PM
To: 'triumphs'
Subject: [TR] TR4 engine question

Fresh TR4 engine that does that "dieseling" thing after you turn off the
key.  It like it tries to keep running but with a cough and then stops.  The
TR6 has an anti-run on valve to help with that.  What do I treat on a TR4
motor?  P.S.  So proud that after 8 years putting my 4 back together stock,
I won first place in the sports car group at the AACC winter national.
Thanks
Jim Henningsen
Ocala, FL

61 TR3A
62 TR4
75 TR6

** [email-masked] **

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---

From: Philip Ethier <[email-masked]>
Date: Tue, 26 Feb 2019 10:36:34 -0600

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On Mon, Feb 25, 2019 at 9:52 PM Jim Henningsen <[email-masked]> wrote:

> key.  It like it tries to keep running but with a cough and then stops.
>

 There will always be an England.

Stop it with the clutch.  Of course you will have your right foot planted
firmly in the brake whilst doing so.

-- 
Phil Ethier West Side Saint Paul Minnesota USA
1973 Triumph Stag LE22439UBW "uncle jack", Sapphire Blue
2004 Suburban 8.1, Sport Red
2005 Lotus Elise, Bordeaux Red Pearl
2006 Gulf Stream Conquest Super C, 8.1, White
2017 Ford Fusion SE 2.0 Turbo, Oxford White
http://www.mnautox.com

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<div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">=
<div dir=3D"ltr" class=3D"gmail_attr">On Mon, Feb 25, 2019 at 9:52 PM Jim H=
enningsen &lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt=
; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Fresh T=
R4 engine that does that &quot;dieseling&quot; thing after you turn off the=
<br>
key.=C2=A0 It like it tries to keep running but with a cough and then stops=
.=C2=A0=C2=A0<br></blockquote><div><br></div><div>=C2=A0There will always b=
e an England.</div><div><br></div><div>Stop it with the clutch.=C2=A0 Of co=
urse you will have your right foot planted firmly in the brake whilst doing=
 so.</div></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr" cl=
ass=3D"gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div di=
r=3D"ltr"><div><div dir=3D"ltr"><div><span style=3D"color:rgb(0,0,0);font-f=
amily:verdana,geneva,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-=
serif;font-size:12.8px;background-color:rgb(239,239,239)">Phil Ethier West =
Side Saint Paul Minnesota USA</span><br></div><div><span style=3D"color:rgb=
(0,0,0);font-family:verdana,geneva,lucida,&quot;lucida grande&quot;,arial,h=
elvetica,sans-serif;background-color:rgb(239,239,239)">1973 Triumph Stag LE=
22439UBW &quot;uncle jack&quot;, Sapphire Blue</span><br style=3D"color:rgb=
(0,0,0);font-family:verdana,geneva,lucida,&quot;lucida grande&quot;,arial,h=
elvetica,sans-serif;background-color:rgb(239,239,239)"><span style=3D"color=
:rgb(0,0,0);font-family:verdana,geneva,lucida,&quot;lucida grande&quot;,ari=
al,helvetica,sans-serif;background-color:rgb(239,239,239)">2004 Suburban 8.=
1, Sport Red</span><br style=3D"color:rgb(0,0,0);font-family:verdana,geneva=
,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-serif;background-col=
or:rgb(239,239,239)"><span style=3D"color:rgb(0,0,0);font-family:verdana,ge=
neva,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-serif;background=
-color:rgb(239,239,239)">2005 Lotus Elise, Bordeaux Red Pearl</span></div><=
div><span style=3D"color:rgb(0,0,0);font-family:verdana,geneva,lucida,&quot=
;lucida grande&quot;,arial,helvetica,sans-serif;background-color:rgb(239,23=
9,239)">2006 Gulf Stream Conquest Super C, 8.1, White</span></div><div>2017=
 Ford Fusion SE 2.0 Turbo, Oxford White<br style=3D"color:rgb(0,0,0);font-f=
amily:verdana,geneva,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-=
serif;background-color:rgb(239,239,239)"><a href=3D"http://www.mnautox.com/=
" style=3D"color:rgb(0,24,57);font-family:verdana,geneva,lucida,&quot;lucid=
a grande&quot;,arial,helvetica,sans-serif;background-color:rgb(239,239,239)=
" target=3D"_blank">http://www.mnautox.com</a><br></div></div></div></div><=
/div></div></div></div></div></div>

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From: "Alex & Janet Thomson" <[email-masked]>
Date: Tue, 26 Feb 2019 14:40:57 -0500

Any chance that the coil is receiving a back feed from somewhere, after the
ignition switch is shut off? Maybe not a full 12 v but just enough to create
a weak spark?

Alex Thomson

-----Original Message-----
From: Triumphs [mailto:[email-masked]] On Behalf Of Jim
Henningsen
Sent: Monday, February 25, 2019 8:29 PM
To: 'triumphs'
Subject: [TR] TR4 engine question

61 TR3A
62 TR4
75 TR6

http://autox.team.net/mailman/options/triumphs/[email-masked]

---

From: DAVID MASSEY <[email-masked]>
Date: Wed, 27 Feb 2019 12:44:31 +0000 (UTC)

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 This is classic motor/generator stuff.=C2=A0 The primary difference betwee=
n a motor and a generator is the direction of power flow.=C2=A0 Put electri=
c power in, get rotation out you have a motor.=C2=A0 Put rotational energy =
in, get electricity out you have a generator.
What happens here is the fan acts as a motor most of the time but when you =
switch off the electric power goes away and the fan motor, being turned by =
the fan blades, becomes a generator until such time the fan slows enough th=
at the output voltage is too low to support the ignition coil.
If you find this annoying, the easy fix is to add a relay that is powered f=
rom the white wire and run power to the contacts from the brown wire.
=20
Dave=20

=20
=20
-----Original Message-----
From: Alex & Janet Thomson <[email-masked]>
To: 'Jim Henningsen' <[email-masked]>; 'triumphs' <[email-masked]=
et>
Sent: Tue, Feb 26, 2019 7:08 pm
Subject: Re: [TR] TR4 engine question

Any chance that the coil is receiving a back feed from somewhere, after the
ignition switch is shut off? Maybe not a full 12 v but just enough to creat=
e
a weak spark?

Alex Thomson

-----Original Message-----

Fresh TR4 engine that does that "dieseling" thing after you turn off the
key.=C2=A0 It like it tries to keep running but with a cough and then stops=
.=C2=A0 The
TR6 has an anti-run on valve to help with that.=C2=A0 What do I treat on a =
TR4
motor?=C2=A0 P.S.=C2=A0 So proud that after 8 years putting my 4 back toget=
her stock,
I won first place in the sports car group at the AACC winter national.=C2=
=A0=20
Thanks
Jim Henningsen
Ocala, FL

61 TR3A
62 TR4
75 TR6

Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archiv=
e

Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archiv=
e

[email-masked]

------=_Part_6125128_1790421046.1551271471242
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<font color=3D'black' size=3D'3' face=3D'Arial, Helvetica, sans-serif'>
<div> <font size=3D"3">This is classic motor/generator stuff.&nbsp; The pri=
mary difference between a motor and a generator is the direction of power f=
low.&nbsp; Put electric power in, get rotation out you have a motor.&nbsp; =
Put rotational energy in, get electricity out you have a generator.</font><=
/div>

<div><font size=3D"3"><br>
</font></div>

<div><font size=3D"3">What happens here is the fan acts as a motor most of =
the time but when you switch off the electric power goes away and the fan m=
otor, being turned by the fan blades, becomes a generator until such time t=
he fan slows enough that the output voltage is too low to support the ignit=
ion coil.</font></div>

<div><font size=3D"3"><br>
</font></div>

<div><font size=3D"3">If you find this annoying, the easy fix is to add a r=
elay that is powered from the white wire and run power to the contacts from=
 the brown wire.</font><br>
</div>

<div> <br>
</div>

<div style=3D"clear:both"><font size=3D"4">Dave </font><br>
<br>
</div>

<div> <br>
</div>

<div> <br>
</div>

<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">-----=
Original Message-----<br>
From: Alex &amp; Janet Thomson &lt;[email-masked]&gt;<br>
To: 'Jim Henningsen' &lt;[email-masked]&gt;; 'triumphs' &lt;Triumphs@aut=
ox.team.net&gt;<br>
Sent: Tue, Feb 26, 2019 7:08 pm<br>
Subject: Re: [TR] TR4 engine question<br>
<br>

<div dir=3D"ltr">Any chance that the coil is receiving a back feed from som=
ewhere, after the<br clear=3D"none">ignition switch is shut off? Maybe not =
a full 12 v but just enough to create<br clear=3D"none">a weak spark?<br cl=
ear=3D"none"><br clear=3D"none">Alex Thomson<br clear=3D"none"><br clear=3D=
"none">-----Original Message-----<br clear=3D"none">From: Triumphs [mailto:=
<a shape=3D"rect" ymailto=3D"mailto:[email-masked]" rel=3D=
"noopener noreferrer" removedlink__c63fc553-1191-4df6-93da-cf81d7631376__hr=
ef=3D"mailto:[email-masked]">[email-masked]=
et</a>] On Behalf Of Jim<br clear=3D"none">Henningsen<br clear=3D"none">Sen=
t: Monday, February 25, 2019 8:29 PM<br clear=3D"none">To: 'triumphs'<br cl=
ear=3D"none">Subject: [TR] TR4 engine question<br clear=3D"none"><br clear=
=3D"none">Fresh TR4 engine that does that "dieseling" thing after you turn =
off the<br clear=3D"none">key.&nbsp; It like it tries to keep running but w=
ith a cough and then stops.&nbsp; The<br clear=3D"none">TR6 has an anti-run=
 on valve to help with that.&nbsp; What do I treat on a TR4<br clear=3D"non=
e">motor?&nbsp; P.S.&nbsp; So proud that after 8 years putting my 4 back to=
gether stock,<br clear=3D"none">I won first place in the sports car group a=
t the AACC winter national.&nbsp; <br clear=3D"none">Thanks<br clear=3D"non=
e">Jim Henningsen<br clear=3D"none">Ocala, FL<br clear=3D"none"><br clear=
=3D"none">61 TR3A<br clear=3D"none">62 TR4<br clear=3D"none">75 TR6<br clea=
r=3D"none"><br clear=3D"none"><br clear=3D"none"><br clear=3D"none">** <a s=
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