<html><body><div>To add on, instead of shellac, I've used Permatex Red or Black, which ever one says it's best to use with oil, and have gotten a better seal than with shellac. Obviously that's just a personal preference.</div><div><br></div><div class="x-apple-signature">Rye<br>PH: 530-FIND-RYE</div><div><br>On Jun 17, 2018, at 09:24 PM, Randall <TR3driver@ca.rr.com> wrote:<br><br></div><div><blockquote type="cite"><div class="msg-quote"><div class="_stretch"><span class="body-text-content">Yes, that's right. When setting with the mandrel, use shellac on the faces<br>against the block and main cap. Not on the scroll area.<br><br>Later, when doing the final assembly with the crankshaft in place, it<br>wouldn't hurt to paint a little shellac on the seal faces where they meet.<br><br>Two other points:<br>1) There appears to be an error in the mandrel dimensions given in the<br>workshop manual. See attached diagram.<br><br>2) There is an updated "Viton" seal available, that still uses the scroll<br>but adds a lip type seal. Highly recommended. Invented by a German TR4<br>racer who was upset about being black flagged when his TR4 "marked it's<br>spot".<br><a href="http://www.tr4-racing.de/eng/madmarx-racing.html" data-mce-href="http://www.tr4-racing.de/eng/madmarx-racing.html">http://www.tr4-racing.de/eng/madmarx-racing.html</a><br><br>IMO, you should stay away from the other lip type seal offered by some other<br>vendors, as it requires the scroll part of the crankshaft to be machined<br>away.<br><br>-- Randall <br>56 TR3 TS13571L once and future daily driver<br>71 Stag LE1473 - awaiting engine rebuild<br>71-2-3 Stag - awaiting gearbox rebuild <br></span></div><img src="cid:192c024f-f164-4e8c-86b5-4381402cb528@icloud.com" alt="" class="_auto-scale" data-inline-image="true" data-mce-src="cid:192c024f-f164-4e8c-86b5-4381402cb528@icloud.com" ><div class="_stretch"><span class="body-text-content"><br>** <a href="mailto:triumphs@autox.team.net" data-mce-href="mailto:triumphs@autox.team.net">triumphs@autox.team.net</a> **<br><br>Donate: <a href="http://www.team.net/donate.html" data-mce-href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive" data-mce-href="http://www.team.net/archive">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums" data-mce-href="http://www.team.net/forums">http://www.team.net/forums</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/triumphs/ryel@mac.com" data-mce-href="http://autox.team.net/mailman/options/triumphs/ryel@mac.com">http://autox.team.net/mailman/options/triumphs/ryel@mac.com</a><br></span></div></div></blockquote></div></body></html>