<div dir="ltr">crazy. I still appreciate having the printed copy</div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, Jul 16, 2026 at 10:25 AM Michael Salter <<a href="mailto:michael.salter@gmail.com">michael.salter@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<span style="text-transform:none">"That should be added to the concours guidelines!"</span></div>
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Unfortunately, as is the case with thousands of other details, the addage "If I can't see it, I can't judge it" applies to the overdrive ratio.</div>
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The Concours Guidelines are at a very critical point.</div>
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Current technology is such that there is virtually nothing in the Guidelines that cannot be determined by simply enquiring of AI.</div>
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Give it a try, you'll be stunned at the detailed answers that it produces.</div>
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<div id="m_-6693180031801194339divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Alan Seigrist <<a href="mailto:healey.nut@gmail.com" target="_blank">healey.nut@gmail.com</a>><br>
<b>Sent:</b> Thursday, 16 July 2026 10:17:54<br>
<b>To:</b> Harold Manifold <<a href="mailto:manifold@telus.net" target="_blank">manifold@telus.net</a>><br>
<b>Cc:</b> Robert Markovich <<a href="mailto:rmarkovich@aol.com" target="_blank">rmarkovich@aol.com</a>>; <a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a> <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>>; Michael Salter <<a href="mailto:michael.salter@gmail.com" target="_blank">michael.salter@gmail.com</a>><br>
<b>Subject:</b> Re: [Healeys] Overdrive ratios</font>
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<div dir="ltr">That should be added to the concours guidelines!</div>
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<div dir="ltr">On Wed, Jul 15, 2026 at 8:46 PM Harold Manifold <<a href="mailto:manifold@telus.net" target="_blank">manifold@telus.net</a>> wrote:<br>
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<div>Hi Michael,</div>
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<div>I have attached a document from my archives regarding this topic. I believe the information in it agrees with Hank's previous comments.</div>
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<div>Best regards,</div>
<div>Harold</div>
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<div dir="ltr">On Wed, Jul 15, 2026 at 4:17 PM Robert Markovich via Healeys <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>> wrote:<br>
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<div>I thought they did use a .77 overdrive on the 100/6 as on the 100 BN2, but lessened it to a .82 (or so) unit on the 3000s. Along with a rear gear switch from 4.10:1 to 3.90:1. <br>
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<br>
<div><a href="https://aolapp.onelink.me/eG2g?pid=NativePlacement&c=US_Acquisition_YMktg_320_EmailSignature_AttributionDL&af_sub1=Acquisition&af_sub2=US_YMktg&af_sub3=&af_sub4=100002473&af_sub5=SentFromNewAOLApp__Interstitial_&af_ios_store_cpp=ce85ce34-ad0f-4811-a92b-a172743b064e&af_android_url=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mobile.aolapp%26listing%3Demail_signature_attribution" style="font-size:12px" target="_blank">Sent
from the all new AOL app for iOS</a><br>
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On Wednesday, July 15, 2026, 2:29 PM, Michael Salter <<a href="mailto:michael.salter@gmail.com" target="_blank">michael.salter@gmail.com</a>> wrote:</p>
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As I recall Hank the 100/6 also used the 28% overdrive, the same unit as the BN2.</div>
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<b>From:</b> Hank Leach <<a href="mailto:gradea1@charter.net" target="_blank">gradea1@charter.net</a>><br clear="none">
<b>Sent:</b> Wednesday, 15 July 2026 13:47:08<br clear="none">
<b>To:</b> Michael Salter <<a href="mailto:michael.salter@gmail.com" target="_blank">michael.salter@gmail.com</a>>;
<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a> <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>><br clear="none">
<b>Subject:</b> RE: Re: [Healeys] Overdrive ratios
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<div>
<div>Overdrives for AH 100 were installed as follows:</div>
<div>OD 1260 (32%) was used up to 140204 (not practical in use)</div>
<div>OD 1292 was used on chassis 140205-228046</div>
<div>OD 1308 started at 1 to 228046</div>
<div>OD 1447 was used on chassis (BN2) 228047-230489 (with some exceptions)</div>
<div> </div>
<div>Later cars, including BJ8 went to a 22% unit.</div>
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From: "Michael Salter" <<a href="mailto:michael.salter@gmail.com" target="_blank">michael.salter@gmail.com</a>>
<br clear="none">
To: <<a href="mailto:gradea1@charter.net" target="_blank">gradea1@charter.net</a>>, <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>>
<br clear="none">
Sent: July 15, 2026 at 9:35 AM PDT <br clear="none">
Subject: Re: [Healeys] Overdrive ratios </div>
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Thanks Hank. Very much appreciated. </div>
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<strong>From:</strong> Hank Leach <<a href="mailto:gradea1@charter.net" target="_blank">gradea1@charter.net</a>><br clear="none">
<strong>Sent:</strong> Wednesday, 15 July 2026 12:33:04<br clear="none">
<strong>To:</strong> Michael Salter <<a href="mailto:michael.salter@gmail.com" target="_blank">michael.salter@gmail.com</a>>;
<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a> <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>><br clear="none">
<strong>Subject:</strong> RE: [Healeys] Overdrive ratios
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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>
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<div>I actually have an OD case #105 but 288 is a low serial number. Regards, Hank<br clear="none">
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From: "Michael Salter" <<a href="mailto:michael.salter@gmail.com" target="_blank">michael.salter@gmail.com</a>>
<br clear="none">
To: <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>>
<br clear="none">
Sent: July 15, 2026 at 9:22 AM PDT <br clear="none">
Subject: [Healeys] Overdrive ratios</div>
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I have 2 BN1 overdrives which I'm struggling to identify.</div>
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Unlike the later type "A" units the serial number on these is not prefixed with the ratio.</div>
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The serial numbers on these are :</div>
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1260/288</div>
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and</div>
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1292/2037</div>
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Anyone with information which would help identify the ratios of these?</div>
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Thanks.</div>
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