Re: [Healeys] Overdrive ratios

[Hank Leach via Healeys <healeys@autox.team.net>]

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<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. Regards, Hank<br>-------------------- <br><br>From: "Michael=
 Salter" &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, Arial, 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, Arial, Helvetica, sans-serif; =
font-size: 12pt; color: rgb(33, 33, 33);">Unlike the later type "A" units =
the serial number on these is not prefixed with the ratio.</div>
<div style=3D"font-family: Aptos, Aptos_MSFontService, -apple-system, =
Roboto, Arial, 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, Arial, 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, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(33, 33, =
33);">and</div>
<div style=3D"font-family: Aptos, Aptos_MSFontService, =
-apple-system, Roboto, Arial, 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, Arial, 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, Arial, Helvetica, =
sans-serif; font-size: 12pt; color: rgb(33, 33, 33);">Thanks.</div>
<div id=3D"ms-outlook-mobile-body-separator-line" style=3D"font-family: =
Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, =
sans-serif; font-size: 12pt;">
<div style=3D"font-family: Aptos, =
Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; =
font-size: 12pt;">&nbsp;</div>
</div>
<div id=3D"ms-outlook-mobile-signatur=
e" style=3D"font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto,=
 Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(33, 33, 33);">
<div style=3D"font-family: Aptos, Aptos_MSFontService, -apple-system, =
Roboto, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(33, 33, =
33);">&nbsp;</div>
</div>
<div>&nbsp;</div>

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