<div dir="auto">I believe the center shift came in 1962<br><br><div data-smartmail="gmail_signature">Ira Erbs<br>Portland, OR<br>typos and artifacts are the fault of my phone</div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Dec 26, 2018, 9:52 AM Richard Collins <<a href="mailto:gonnagitcha90@hotmail.com">gonnagitcha90@hotmail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



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FWIW, my BN7 built inApril 1959, #440, had no overdrive and was a side shift. Not sure when it was changed but I now have OD and top shifter.
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<div>Happy Holidays to all!<br>
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<div id="m_1856563438236157543AppleMailSignature" dir="ltr">Regards,
<div>Richard C</div>
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On Dec 25, 2018, at 1:16 AM, Bruce Steele <<a href="mailto:healeybruce@roadrunner.com" target="_blank" rel="noreferrer">healeybruce@roadrunner.com</a>> wrote:<br>
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<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif">I’m perplexed by the references to the “U” in the engine number in the documents which Scott attached.  The first attachment states that 3000 Mk I commenced with engine number 29D-U-H101
 and ended with 29D-U-H26212.  The second document states that “U” indicated a center shift gear box.  We know that all Mark I Healeys were side shift; the center shift was not introduced until near the end of the Mark II BN7/BT7 run in November, 1961 at engine
 number 29E/2246, chassis number BT7/15881 and BN7/16039, per Clausager’s book.  Hence, the 2 documents conflict and my confusion over the statement that the “U” refers to a center shift box. 
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<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif">Clausager states: “However, the engine prefix was later changed, possibly coinciding with the introduction of the six-port engine in 1957.  These engines had the prefix 26D, followed by
 U on non-overdrive cars, and R (or RU) on overdrive cars, finishing with the letter H for High compression” (Original Austin Healey, Clausager, 1990, pg. 87).<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif">Case in point, my BN7, produced 26-28 September, 1960 is chassis number 12656 and engine number 29D-U-H/22855 (my car was originally a non-OD car), verified by the BMIHT certificate. 
 The gearbox is a correct side shift unit.  This is in agreement with Clausager’s description.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif">So, the assertion that U denotes center shift is quite confusing.  Anyone else able to weigh in?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif;color:#1f497d">Bruce Steele<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif;color:#1f497d">Brea, CA<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif;color:#1f497d">1960 BN7<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Trebuchet MS",sans-serif"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Healeys [<a href="mailto:healeys-bounces@autox.team.net" target="_blank" rel="noreferrer">mailto:healeys-bounces@autox.team.net</a>]
<b>On Behalf Of </b>J. Scott Morris<br>
<b>Sent:</b> Monday, December 24, 2018 8:18 AM<br>
<b>To:</b> mitch <<a href="mailto:dayton21@comcast.net" target="_blank" rel="noreferrer">dayton21@comcast.net</a>>;
<a href="mailto:healeys@autox.team.net" target="_blank" rel="noreferrer">healeys@autox.team.net</a><br>
<b>Subject:</b> Re: [Healeys] engine identification<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Garamond",serif;color:black">Hello Mitch and Seasons Greetings. 
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<p class="MsoNormal" style="background:white"><span style="font-family:"Garamond",serif;color:black">The attached files may help a little but the casting numbers are not related to sequential engine production. <u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Garamond",serif;color:black">--Scott Morris; Simcoe, Ontario, Canada           - Keep Smiling, Murphy Lives<u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="font-family:"Garamond",serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">On Monday, December 24, 2018 7:39 AM, mitch <<a href="mailto:dayton21@comcast.net" target="_blank" rel="noreferrer">dayton21@comcast.net</a>> wrote:</span><span style="font-family:"Helvetica",sans-serif;color:black"><u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="font-family:"Helvetica",sans-serif;color:black"><u></u> <u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica",sans-serif;color:black">Hello<u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica",sans-serif;color:black"> <u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica",sans-serif;color:black">How do you ID an engine block/or head……that does not have an ID tag?<u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica",sans-serif;color:black">Do the engine block casting numbers mean anything?<u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica",sans-serif;color:black"> <u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica",sans-serif;color:black">Mitchell<u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-family:"Helvetica",sans-serif;color:black"> <u></u><u></u></span></p>
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