<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>No, Mk2tricarb engine is prefixed 29E. My tricarb engine is 29E-RU-H/428. I have a side shift however, so it doesn’t seem right anyway. Clausager says in his book that RU means overdrive, just U means nonoverdrive.</div><div><br></div><div>Per</div><br><div id="AppleMailSignature" dir="ltr">Skickat från min iPhone</div><div dir="ltr"><br>19 okt. 2018 kl. 12:21 skrev <<a href="mailto:simon.lachlan@alexarevel.plus.com">simon.lachlan@alexarevel.plus.com</a>> <<a href="mailto:simon.lachlan@alexarevel.plus.com">simon.lachlan@alexarevel.plus.com</a>>:<br><br></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">It is 29D/RU/H4908<o:p></o:p></p><p class="MsoNormal">29 = 3,000cc (+/-!)<o:p></o:p></p><p class="MsoNormal">D = MkI BT7 or BN7 (per Clausager)<o:p></o:p></p><p class="MsoNormal">R= Overdrive fitted<o:p></o:p></p><p class="MsoNormal">U = Centre shift (per BMC parts manual)<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">The BMC manual is quite specific. See attached. <o:p></o:p></p><p class="MsoNormal">Who is wrong? Did 29D engines continue into later tricarbs which is when, as I understand it, centre shifts appeared?<o:p></o:p></p><p class="MsoNormal">Or what?<o:p></o:p></p><p class="MsoNormal">I am considering buying an engine and rebuilding it. There’s a block on eBay with that number on its plate. I think it’s a MkI and that RU stands for overdrive and that U does not stand for centre shift.<o:p></o:p></p><p class="MsoNormal">Am I right?<o:p></o:p></p><p class="MsoNormal">Thanks,<o:p></o:p></p><p class="MsoNormal">Simon<o:p></o:p></p></div></div></blockquote><blockquote type="cite"><div dir="ltr"><Engine numbers from BMC Service Parts List .pdf></div></blockquote><blockquote type="cite"><div dir="ltr"><br></div></blockquote></body></html>