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Re: [Healeys] Overdrive ratios

To: "gradea1@charter.net" <gradea1@charter.net>, "healeys@autox.team.net" <healeys@autox.team.net>
Subject: Re: [Healeys] Overdrive ratios
From: Michael Salter <michael.salter@gmail.com>
Date: Wed, 15 Jul 2026 16:35:02 +0000
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Thread-topic: [Healeys] Overdrive ratios
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Thanks Hank. Very much appreciated.

M


________________________________
From: Hank Leach <gradea1@charter.net>
Sent: Wednesday, 15 July 2026 12:33:04
To: Michael Salter <michael.salter@gmail.com>; healeys@autox.team.net <heal=
eys@autox.team.net>
Subject: RE: [Healeys] Overdrive ratios

Michael- the 1260 is the early 32% OD. The 1292 is the 100 common 28% ratio=
. After that ODs for BN2s were 1308-28% and 1447-28%.

I actually have an OD case #105 but 288 is a low serial number. Regards, Ha=
nk
--------------------

From: "Michael Salter" <michael.salter@gmail.com>
To: <healeys@autox.team.net>
Sent: July 15, 2026 at 9:22 AM PDT
Subject: [Healeys] Overdrive ratios
I have 2 BN1 overdrives which I'm struggling to identify.
Unlike the later type "A" units the serial number on these is not prefixed =
with the ratio.
The serial numbers on these are :
1260/288
and
1292/2037
Anyone with information which would help identify the ratios of these?
Thanks.




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Thanks Hank. Very much appreciated.&nbsp;</div>
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M</div>
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<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" st=
yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b> Hank Leach &lt;gradea=
1@charter.net&gt;<br>
<b>Sent:</b> Wednesday, 15 July 2026 12:33:04<br>
<b>To:</b> Michael Salter &lt;michael.salter@gmail.com&gt;; healeys@autox.t=
eam.net &lt;healeys@autox.team.net&gt;<br>
<b>Subject:</b> RE: [Healeys] Overdrive ratios</font>
<div>&nbsp;</div>
</div>
<div>
<div>Michael- the 1260 is the early 32% OD. The 1292 is the 100 common 28% =
ratio. After that ODs for BN2s were 1308-28% and 1447-28%.</div>
<div>&nbsp;</div>
<div>I actually have an OD case #105 but 288 is a low serial number. Regard=
s, Hank<br>
-------------------- <br>
<br>
From: &quot;Michael Salter&quot; &lt;michael.salter@gmail.com&gt; <br>
To: &lt;healeys@autox.team.net&gt; <br>
Sent: July 15, 2026 at 9:22 AM PDT <br>
Subject: [Healeys] Overdrive ratios </div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
I have 2 BN1 overdrives which I'm struggling to identify.</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
Unlike the later type &quot;A&quot; units the serial number on these is not=
 prefixed with the ratio.</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
The serial numbers on these are :</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
1260/288</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
and</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
1292/2037</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
Anyone with information which would help identify the ratios of these?</div=
>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif; font-size:12pt; color:rgb(33,33,33)">
Thanks.</div>
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&nbsp;</div>
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&nbsp;</div>
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<div>&nbsp;</div>
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