The blanking sleeve has a small lip that sits in the same recess as the thermostat.  Not sure both the blanking sleeve lip and a thermostat together will fit and seal the cover correctly.<div id="yMail_cursorElementTracker_1504534743714">Mike MacLean<br><br><div id="ymail_android_signature"><a href="https://overview.mail.yahoo.com/mobile/?.src=Android">Sent from Yahoo Mail on Android</a></div> <br> <blockquote style="margin: 0 0 20px 0;"> <div style="font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Mon, Sep 4, 2017 at 7:07 AM, Bob Haskell</div><div><rchaskell@earthlink.net> wrote:</div> </div> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> Moss sells a thermostat bypass blanking sleeve.<br clear="none"><a shape="rect" href="http://www.mossmotors.com/Shop/ViewProducts.aspx?PlateIndexID=69821" target="_blank">http://www.mossmotors.com/Shop/ViewProducts.aspx?PlateIndexID=69821</a><br clear="none"><br clear="none">I wonder if you could combine this with a "standard" thermostat to <br clear="none">approach the original with the sleeve?<br clear="none"><br clear="none">Cheers,<br clear="none"><br clear="none">Bob Haskell<br clear="none">AHCA 3000 MkI registrar<br clear="none"><a shape="rect" href="http://www.ciahc.org/registry_3000mk1.php" target="_blank">http://www.ciahc.org/registry_3000mk1.php</a><br clear="none"><br clear="none">On 09/04/2017 07:20 AM, Per Schoerner wrote:<br clear="none">> Hi<br clear="none">> Why not block the bypass channel once and for all, maybe combined with a little hole in the termostat lid to allow some circulation.<br clear="none">> I have done this with a piece from a little cat food can. It works very well. An other way to do it would be to make a new water pump gasket without the hole for the bypass.<br clear="none">> <br clear="none">> Per<br clear="none">> <br clear="none">> Skickat från min iPhone<br clear="none">> <br clear="none">> <br clear="none">> _______________________________________________<br clear="none">> Support Team.Net <a shape="rect" href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br clear="none">> Suggested annual donation  $12.75<br clear="none">> Archive: <a shape="rect" href="http://www.team.net/archive" target="_blank">http://www.team.net/archive</a><br clear="none">> Forums: <a shape="rect" href="http://www.team.net/forums" target="_blank">http://www.team.net/forums</a><br clear="none">> <br clear="none">> <a shape="rect" ymailto="mailto:Healeys@autox.team.net" href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><br clear="none">> <a shape="rect" href="http://autox.team.net/mailman/listinfo/healeys" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br clear="none">> <br clear="none">> Unsubscribe/Manage: <a shape="rect" href="http://autox.team.net/mailman/options/healeys/rchaskell@earthlink.net" target="_blank">http://autox.team.net/mailman/options/healeys/rchaskell@earthlink.net</a><div class="yqt0676006320 yQTDBase" id="yqtfd48046"><br clear="none">> <br clear="none">_______________________________________________<br clear="none">Support Team.Net <a shape="rect" href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br clear="none">Suggested annual donation  $12.75<br clear="none">Archive: <a shape="rect" href="http://www.team.net/archive" target="_blank">http://www.team.net/archive</a><br clear="none">Forums: <a shape="rect" href="http://www.team.net/forums" target="_blank">http://www.team.net/forums</a><br clear="none"><br clear="none"><a shape="rect" ymailto="mailto:Healeys@autox.team.net" href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a><br clear="none"><a shape="rect" href="http://autox.team.net/mailman/listinfo/healeys" target="_blank">http://autox.team.net/mailman/listinfo/healeys</a><br clear="none"><br clear="none">Unsubscribe/Manage: <a shape="rect" href="http://autox.team.net/mailman/options/healeys/rrengineer.mike@att.net" target="_blank">http://autox.team.net/mailman/options/healeys/rrengineer.mike@att.net</a><br clear="none"><br clear="none"></div> </div> </blockquote></div>