fot
[Top] [All Lists]

Re: [Fot] Too much clearance on distributor drive gear

To: Robert Lang <robertlangtr6@yahoo.com>
Subject: Re: [Fot] Too much clearance on distributor drive gear
From: John Styduhar via Fot <fot@autox.team.net>
Date: Tue, 19 Mar 2019 10:27:13 -0400
Cc: Triumph 'Friends of Triumph <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <02eb01d4ddc9$7c64e8e0$752ebaa0$@gmail.com> <1740524369.7339633.1552997220040@mail.yahoo.com>
--===============8776336990828073554==

--000000000000e373e90584734d57
Content-Transfer-Encoding: quoted-printable

I'm pretty sure you have to remove the bushing from the bottom, but there
may be a chance to remove from the topside with an inside bearing
puller/slide hammer.  Do not drop the little woodruff key into the engine.


On Tue, Mar 19, 2019 at 9:40 AM Robert Lang via Fot <fot@autox.team.net>
wrote:

> Hi - if the bushing is worn, it needs to be replaced. I would not run the
> gear with a thin shim under it, the shim will not last. I just looked at
> Moss and they have that distributor bushing listed for $75 plus or minus.
>
> If you have slop with that distributor drive, you will never get the
> ignition timing to be rock solid.
>
> Regards,
> Bob Lang
>
> On Tuesday, March 19, 2019, 12:36:30 AM EDT, timmmurphh--- via Fot <
> fot@autox.team.net> wrote:
>
>
> On page 1.130 and 1.131 of the Workshop Manual it describes the procedure
> for obtaining the correct clearance or float for the distributor gear
> driven by the camshaft.  It gives two scenarios: one where there is
> interference of the gear and the bushing; and a second where there is not
> enough clearance or float.  What it doesn=E2=80=99t consider is if there =
is too
> much clearance between the gear and the bushing.  That is the case on my
> TR4 engine.  I had 0.016 clearance and added a 0.010 shim under the gear =
to
> get the desired 0.006 clearance.  Has anybody else had this experience?
> And what did you do about it.
>
>
>
> Tim Murphy
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/fot
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/robertlangtr6@yahoo.com
>
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/fot
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/johnstydo@gmail.com
>
>
>

--000000000000e373e90584734d57
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">I&#=
39;m pretty sure you have to remove the bushing from the bottom, but there =
may be a chance to remove from the topside with an inside bearing puller/sl=
ide hammer.=C2=A0 Do not drop the little woodruff key into the engine.</div=
><div class=3D"gmail_default" style=3D"font-size:small"><br></div></div><br=
><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, M=
ar 19, 2019 at 9:40 AM Robert Lang via Fot &lt;<a href=3D"mailto:fot@autox.=
team.net">fot@autox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"g=
mail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex"><div><div class=3D"gmail-m_-4252127906334782226=
ydp458ed572yahoo-style-wrap" style=3D"font-family:&quot;Helvetica Neue&quot=
;,Helvetica,Arial,sans-serif;font-size:13px"><div></div>
        <div>Hi - if the bushing is worn, it needs to be replaced. I would =
not run the gear with a thin shim under it, the shim will not last. I just =
looked at Moss and they have that distributor bushing listed for $75 plus o=
r minus.</div><div><br></div><div>If you have slop with that distributor dr=
ive, you will never get the ignition timing to be rock solid.</div><div><br=
></div><div>Regards,</div><div>Bob Lang<br></div><div><br></div>
       =20
        </div><div id=3D"gmail-m_-4252127906334782226yahoo_quoted_380561348=
8" class=3D"gmail-m_-4252127906334782226yahoo_quoted">
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
               =20
                <div>
                    On Tuesday, March 19, 2019, 12:36:30 AM EDT, timmmurphh=
--- via Fot &lt;<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot=
@autox.team.net</a>&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"gmail-m_-4252127906334782226yiv8221197969">=
<div><div class=3D"gmail-m_-4252127906334782226yiv8221197969WordSection1"><=
p class=3D"gmail-m_-4252127906334782226yiv8221197969MsoNormal">On page 1.13=
0 and 1.131 of the Workshop Manual it describes the procedure for obtaining=
 the correct clearance or float for the distributor gear driven by the cams=
haft.=C2=A0 It gives two scenarios: one where there is interference of the =
gear and the bushing; and a second where there is not enough clearance or f=
loat.=C2=A0 What it doesn=E2=80=99t consider is if there is too much cleara=
nce between the gear and the bushing.=C2=A0 That is the case on my TR4 engi=
ne.=C2=A0 I had 0.016 clearance and added a 0.010 shim under the gear to ge=
t the desired 0.006 clearance.=C2=A0 Has anybody else had this experience?=
=C2=A0 And what did you do about it.</p><p class=3D"gmail-m_-42521279063347=
82226yiv8221197969MsoNormal"> =C2=A0</p><p class=3D"gmail-m_-42521279063347=
82226yiv8221197969MsoNormal">Tim Murphy</p></div></div></div>______________=
_________________________________<br><a href=3D"mailto:fot@autox.team.net"; =
target=3D"_blank">fot@autox.team.net</a><br><br><a href=3D"http://www.fot-r=
acing.com" target=3D"_blank">http://www.fot-racing.com</a><br><br>Donate: <=
a href=3D"http://www.team.net/donate.html"; target=3D"_blank">http://www.tea=
m.net/donate.html</a><br>Archive: <a href=3D"http://www.team.net/pipermail/=
fot" target=3D"_blank">http://www.team.net/pipermail/fot</a><br>Unsubscribe=
/Manage: <a href=3D"http://autox.team.net/mailman/options/fot/robertlangtr6=
@yahoo.com" target=3D"_blank">http://autox.team.net/mailman/options/fot/rob=
ertlangtr6@yahoo.com</a><br><br><br></div>
            </div>
        </div></div>_______________________________________________<br>
<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.net<=
/a><br>
<br>
<a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_blank">=
http://www.fot-racing.com</a><br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/fot"; rel=3D"noreferrer" t=
arget=3D"_blank">http://www.team.net/pipermail/fot</a><br>
hnstydo@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.team.n=
et/mailman/options/fot/johnstydo@gmail.com</a><br>
<br>
<br>
</blockquote></div>

--000000000000e373e90584734d57--

--===============8776336990828073554==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://www.team.net/pipermail/fot



--===============8776336990828073554==--

<Prev in Thread] Current Thread [Next in Thread>