<html><head></head><body><div class="ydp5368d850yahoo-style-wrap" style="font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div><div dir="ltr" data-setdir="false">The A-type overdrives are all the same but you will need a new layshaft for the non-overdrive transmission.  The TR3 mainshaft won't work in the TR6 transmission and the non-overdrive mainshaft won't accept the overdrive.<br></div><div><br></div><div class="ydp5368d850signature"><div style="color: black; font-style: normal; font-weight: normal; font-stretch: normal; font-size: 12pt; line-height: normal; font-family: Arial, Helvetica, sans-serif; font-size-adjust: none;"><div style="color: black; font-style: normal; font-weight: normal; font-stretch: normal; font-size: 12pt; line-height: normal; font-family: Arial, Helvetica, sans-serif; font-size-adjust: none;"><div><font size="4">Dave <br></font></div><div><span style="font-size:10.0pt;font-family:sans-serif;color:black;"><br></span></div><br></div></div></div></div>
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                    On Wednesday, October 25, 2023 at 08:24:25 PM CDT, dave northrup <dave@ranteer.com> wrote:
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<p class="ydp32aa0984yiv9638961910MsoNormal">Correct me if I’m wrong, but I don’t think you can.  If I’m wrong, that’s totally the right answer!!!</p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">  </p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">Anyone know the answer to this???</p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">  </p> 
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<p class="ydp32aa0984yiv9638961910MsoNormal"><b><span>From:</span></b><span> auprichard uprichard.net <auprichard@uprichard.net>
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<b>Sent:</b> Wednesday, October 25, 2023 4:44 PM<br clear="none">
<b>To:</b> dave northrup <dave@ranteer.com><br clear="none">
<b>Cc:</b> triumphs@autox.team.net<br clear="none">
<b>Subject:</b> RE: TR3 gearbox</span></p> 
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<p class="ydp32aa0984yiv9638961910MsoNormal">  </p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">Why don’t you put the overdrive from the TR3 gearbox on the TR6 gearbox ?</span></p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">  </span></p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">The TR6 gearbox is a better overall unit, so if it were me, I’d opt for it in a car with the upgrades you list.</span></p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">  </span></p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">I have 5 TRs and all of them have TR6 gearboxes with A-types.</span></p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">  </span></p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">Andrew Uprichard</span></p> 
<p class="ydp32aa0984yiv9638961910MsoNormal"><span style="font-family:New serif;color:#1F497D;">  </span></p> 
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<p class="ydp32aa0984yiv9638961910MsoNormal"><b><span>From:</span></b><span> Triumphs <triumphs-bounces@autox.team.net>
<b>On Behalf Of </b>dave northrup<br clear="none">
<b>Sent:</b> Wednesday, October 25, 2023 4:37 PM<br clear="none">
<b>To:</b> Triumphs <triumphs@autox.team.net><br clear="none">
<b>Subject:</b> [TR] TR3 gearbox</span></p> 
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<p class="ydp32aa0984yiv9638961910MsoNormal">  </p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">I recently acquired a car with a TR3 overdrive that probably needs to be rebuilt.  I was wondering – is the non synchro first gear really an issue? 
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<p class="ydp32aa0984yiv9638961910MsoNormal">  </p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">The car has a TR4 engine anyway and I have a nice TR6 tranny (non overdrive).  We do not care about originality; rather we are going for performance with a mild cam, 89 mm pistons, lightened flywheel, etc</p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">  </p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">Am trying to decide if I should sell the TR3 tran to fund the upgrade on the TR6 tran</p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">  </p> 
<p class="ydp32aa0984yiv9638961910MsoNormal">both the engine and tran were out of the car; its going to need some work anyway</p></div> 
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</div></div><div class="ydp32aa0984yqt8939906940" id="ydp32aa0984yqt62181">** <a shape="rect" href="mailto:triumphs@autox.team.net" rel="nofollow" target="_blank">triumphs@autox.team.net</a> **<br clear="none"><br clear="none">Donate: <a shape="rect" href="http://www.team.net/donate.html" rel="nofollow" target="_blank">http://www.team.net/donate.html</a><br clear="none">Archive: <a shape="rect" href="http://www.team.net/pipermail/triumphs" rel="nofollow" target="_blank">http://www.team.net/pipermail/triumphs</a>  <a shape="rect" href="http://www.team.net/archive" rel="nofollow" target="_blank">http://www.team.net/archive</a><br clear="none"><br clear="none">Unsubscribe/Manage: <a shape="rect" href="http://autox.team.net/mailman/options/triumphs/dave1massey@cs.com" rel="nofollow" target="_blank">http://autox.team.net/mailman/options/triumphs/dave1massey@cs.com</a><br clear="none"></div></div>
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