Subject: [Healeys] Synchro/Baulk Ring Question

From: S and T Miller <[email-masked]>
Date: Wed, 3 Jan 2024 19:49:10 +0000

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Toughen up the mating surfaces with say 150 grit sand paper.  Gives it some=
 tooth. It gets smooth over time. John Twist told me that tip and it works =
great.

Shawn

 Message: 1
Date: Wed, 3 Jan 2024 09:15:17 -0800
From: Harold Manifold <[email-masked]>
To: Healey List <[email-masked]>
Subject: [Healeys] Synchro/Baulk Ring Question
Message-ID:
        <[email-masked]=

Hello and Happy New Year,

I have just disassembled my rebuilt side shift transmission after only
2,000 miles to deal with a problem shifting from 4th to 3rd. The synchro
rings were brand new and supplied by Denis Welch. It appears the synchro
ring has worn prematurely. There is no sign of any problems with the mating
tapered hub on the gear.

There is nothing obvious why the 3/4 synchro was not working properly. Is
there a specification for the minimum gap between the synchro ring and the
face of the mating gear? A new synchro ring is on order. What all should I
check to ensure the problem doesn't repeat itself?

Thanks... Harold

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<div style=3D"font-family: inherit; color: inherit; background-color: trans=
parent;">
<span style=3D"font-size: 14.6667px;">Toughen up the mating surfaces with s=
ay 150 grit sand paper.&nbsp; Gives it some tooth. It gets smooth over time=
. John Twist told me that tip and it works great.&nbsp;</span></div>
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parent;">
<span style=3D"font-size: 14.6667px;"><br>
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parent;">
<span style=3D"font-size: 14.6667px;">Shawn</span></div>
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kground-color: transparent;">
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: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt"><br>
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kground-color: transparent;">
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<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">&nbsp;Message: 1</span><br style=3D"box-sizing: content-box; font-famil=
y: Roboto, Helvetica, Arial, sans-serif; font-size: 14.6667px; background-c=
olor: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">Date: Wed, 3 Jan 2024 09:15:17 -0800</span><br style=3D"box-sizing: con=
tent-box; font-family: Roboto, Helvetica, Arial, sans-serif; font-size: 14.=
6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">From: Harold Manifold &lt;[email-masked]&gt;</span><br style=3D"box=
-sizing: content-box; font-family: Roboto, Helvetica, Arial, sans-serif; fo=
nt-size: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">To: Healey List &lt;[email-masked]&gt;</span><br style=3D"box-s=
izing: content-box; font-family: Roboto, Helvetica, Arial, sans-serif; font=
-size: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">Subject: [Healeys] Synchro/Baulk Ring Question</span><br style=3D"box-s=
izing: content-box; font-family: Roboto, Helvetica, Arial, sans-serif; font=
-size: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">Message-ID:</span><br style=3D"box-sizing: content-box; font-family: Ro=
boto, Helvetica, Arial, sans-serif; font-size: 14.6667px; background-color:=
 rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;CAFP1XCBMnTK6LzU+YSpTnhf=
[email-masked]&gt;</span><br style=3D"box-sizin=
g: content-box; font-family: Roboto, Helvetica, Arial, sans-serif; font-siz=
e: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">Content-Type: text/plain; charset=3D&quot;utf-8&quot;</span><br style=
=3D"box-sizing: content-box; font-family: Roboto, Helvetica, Arial, sans-se=
rif; font-size: 14.6667px; background-color: rgb(255, 255, 255)">
<br style=3D"box-sizing: content-box; font-family: Roboto, Helvetica, Arial=
, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">Hello and Happy New Year,</span><br style=3D"box-sizing: content-box; f=
ont-family: Roboto, Helvetica, Arial, sans-serif; font-size: 14.6667px; bac=
kground-color: rgb(255, 255, 255)">
<br style=3D"box-sizing: content-box; font-family: Roboto, Helvetica, Arial=
, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">I have just disassembled my rebuilt side shift transmission after only<=
/span><br style=3D"box-sizing: content-box; font-family: Roboto, Helvetica,=
 Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 2=
55)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">2,000 miles to deal with a problem shifting from 4th to 3rd. The synchr=
o</span><br style=3D"box-sizing: content-box; font-family: Roboto, Helvetic=
a, Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255,=
 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">rings were brand new and supplied by Denis Welch. It appears the synchr=
o</span><br style=3D"box-sizing: content-box; font-family: Roboto, Helvetic=
a, Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255,=
 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">ring has worn prematurely. There is no sign of any problems with the ma=
ting</span><br style=3D"box-sizing: content-box; font-family: Roboto, Helve=
tica, Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 2=
55, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">tapered hub on the gear.</span><br style=3D"box-sizing: content-box; fo=
nt-family: Roboto, Helvetica, Arial, sans-serif; font-size: 14.6667px; back=
ground-color: rgb(255, 255, 255)">
<br style=3D"box-sizing: content-box; font-family: Roboto, Helvetica, Arial=
, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">There is nothing obvious why the 3/4 synchro was not working properly. =
Is</span><br style=3D"box-sizing: content-box; font-family: Roboto, Helveti=
ca, Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255=
, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">there a specification for the minimum gap between the synchro ring and =
the</span><br style=3D"box-sizing: content-box; font-family: Roboto, Helvet=
ica, Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 25=
5, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">face of the mating gear? A new synchro ring is on order. What all shoul=
d I</span><br style=3D"box-sizing: content-box; font-family: Roboto, Helvet=
ica, Arial, sans-serif; font-size: 14.6667px; background-color: rgb(255, 25=
5, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">check to ensure the problem doesn't repeat itself?</span><br style=3D"b=
ox-sizing: content-box; font-family: Roboto, Helvetica, Arial, sans-serif; =
font-size: 14.6667px; background-color: rgb(255, 255, 255)">
<br style=3D"box-sizing: content-box; font-family: Roboto, Helvetica, Arial=
, sans-serif; font-size: 14.6667px; background-color: rgb(255, 255, 255)">
<span style=3D"font-family: Roboto, Helvetica, Arial, sans-serif; font-size=
: 14.6667px; background-color: rgb(255, 255, 255); display: inline !importa=
nt">Thanks... Harold</span><br>
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