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I believe the shop manual says the springs 'must be renewed at overhaul'
(or similar Britism). Mine looked fine at over 200K miles, but I sprung
(heh) for new. Not cheap, but pulling gearboxes and, especially getting
the O/D to mate up to it is no fun either.
On 10/10/2021 1:05 PM, Henry G Leach via Healeys wrote:
> Harold- I would purchase replacement springs from Overdrive Spares in
> UK. It appears that you would want to get 4 new short springs (the're
> tired), and if all 4 long look equally correct you could re-use them.
> The importance being that together they "equally" put pressure on the
> clutch lining to keep the car in direct drive (without slipping). Be
> sure to put the shorts (inner) and long (outer) in properly or they
> will coil bind and really not work well.
>
> I don't know the spring rates, but if you get them from OD Spares,
> they will be the right ones for the job. Be sure to give them the
> overdrive number on the casing for reference to get the correct set.
> Moss has them as well as AH Spares, but did they come from OD Spares,
> or made in ...? Hank
>
> -----------------------------------------
>
> From: "Harold Manifold via Healeys"
> To: "healeys@autox.team.net"
> Cc:
> Sent: Sunday October 10 2021 12:20:46PM
> Subject: [Healeys] Overdrive Clutch Springs
>
> I am rebuilding a 22/3087 Overdrive from a BJ7. What should the free
> length of the clutch springs be? All 8 are made from 0.095â?? diameter
> wire. The long springs measure 4-7/16â?? to 4-15/32â?? and the short
> springs are 4-1/16â?? to 4-1/8â??. The manual states the springs should be
> 4-1/2â?? and 4-1/4â??. I was surprised the short springs are more
> undersized than the long springs.
>
> I saw some mention that the clutch springs in earlier OD models were
> made from two different wire sizes. Does anyone know the wire diameter
> of length of new springs from a reputable supplier?
>
> Thanksâ?¦ Harold
>
>
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I believe the shop manual says the springs 'must be renewed at
overhaul' (or similar Britism). Mine looked fine at over 200K miles,
but I sprung (heh) for new. Not cheap, but pulling gearboxes and,
especially getting the O/D to mate up to it is no fun either.<br>
<br>
<br>
<div class="moz-cite-prefix">On 10/10/2021 1:05 PM, Henry G Leach
via Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:3b02cbba059b5abdf1f3b12f6e7e5b214c7dc6f6@webmail">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
Harold- I would purchase replacement springs from Overdrive Spares
in UK. It appears that you would want to get 4 new short springs
(the're tired), and if all 4 long look equally correct you could
re-use them. The importance being that together they "equally" put
pressure on the clutch lining to keep the car in direct drive
(without slipping). Be sure to put the shorts (inner) and long
(outer) in properly or they will coil bind and really not work
well.
<div><br>
</div>
<div>I don't know the spring rates, but if you get them from OD
Spares, they will be the right ones for the job. Be sure to give
them the overdrive number on the casing for reference to get the
correct set. Moss has them as well as AH Spares, but did they
come from OD Spares, or made in ...? Hank<br>
<br>
<p>-----------------------------------------</p>
From: "Harold Manifold via Healeys" <healeys@autox.team.net><br>
To: <a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";>"healeys@autox.team.net"</a><br>
Cc: <br>
Sent: Sunday October 10 2021 12:20:46PM<br>
Subject: [Healeys] Overdrive Clutch Springs<br>
<br>
<div class="WordSection1">
<p class="MsoNormal">I am rebuilding a 22/3087 Overdrive
from a
BJ7. What should the free length of the clutch springs be?
All 8
are made from 0.095â?? diameter wire. The long springs
measure
4-7/16â?? to 4-15/32â?? and the short springs are 4-1/16â?? to
4-1/8â??.
The manual states the springs should be 4-1/2â?? and 4-1/4â??.
I was
surprised the short springs are more undersized than the
long
springs.</p>
<p class="MsoNormal">Â </p>
<p class="MsoNormal">I saw some mention that the clutch
springs in
earlier OD models were made from two different wire sizes.
Does
anyone know the wire diameter of length of new springs
from a
reputable supplier?</p>
<p class="MsoNormal">Â </p>
<p class="MsoNormal">Thanksâ?¦ Harold</p>
<p class="MsoNormal">Â </p>
</div>
</healeys@autox.team.net></div>
<br>
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