<div dir="ltr">Joel, 2 things come to mind when reading about your problem.  The research that was done on Tiger cooling iindicated that all radiators and cooling configurations worked when driven at speed.  So, if your still not cooling at speed, it could be your after market radiator is not cooling adequately.  That is, assuming you don't have a blockage or engine problem as has been pointed out.<div><br></div><div>If you want to try a stock radiator, I have a good one which you could borrow to try out as long as you would pay the shipping both ways, or if you decided to keep it, we could work something out.</div><div><br></div><div>Also, I would echo the getting an expansion tank and overflow can.  The expansion tank adds a little water capacity and with the overflow tank, adjusts for overflow.  This might be the easiest thing to try first.  Good luck, I know how yuou feel as I am struggleing with some problems with my Tiger too. (not cooling). Cliff</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Apr 22, 2018 at 9:36 AM, Gary via Tigers <span dir="ltr"><<a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div><span></span></div><div class="m_614091282653733232qtdSeparateBR" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9940" dir="ltr">Ditto on David's comments.</div><div class="m_614091282653733232qtdSeparateBR" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10139" dir="ltr"><br></div><div class="m_614091282653733232qtdSeparateBR" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10070" dir="ltr">Cooling openings at rear of block</div><div class="m_614091282653733232qtdSeparateBR" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10071" dir="ltr"><br><a id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9948" href="https://www.google.com/search?q=ford+289+head+gasket&tbm=isch&source=iu&ictx=1&fir=RMOMMk1QHGWYxM%253A%252CSxxen8CYlo5ClM%252C_&usg=__tuNxeQEN8ENH1hfS7V2W9SzWlM0%3D&sa=X&ved=0ahUKEwjpiYXcl87aAhVPyWMKHRa0BAgQ9QEIfDAF#imgrc=RMOMMk1QHGWYxM:&spf=1524410522839" target="_blank">https://www.google.com/search?<wbr>q=ford+289+head+gasket&tbm=<wbr>isch&source=iu&ictx=1&fir=<wbr>RMOMMk1QHGWYxM%253A%<wbr>252CSxxen8CYlo5ClM%252C_&usg=_<wbr>_tuNxeQEN8ENH1hfS7V2W9SzWlM0%<wbr>3D&sa=X&ved=<wbr>0ahUKEwjpiYXcl87aAhVPyWMKHRa0B<wbr>AgQ9QEIfDAF#imgrc=<wbr>RMOMMk1QHGWYxM:&spf=<wbr>1524410522839</a></div><div class="m_614091282653733232qtdSeparateBR" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10078" dir="ltr"><br></div><div class="m_614091282653733232qtdSeparateBR" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10079" dir="ltr">Gasket installed correctly<br></div><div id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10059"><br></div><div id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10080" dir="ltr"><u id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10194"><font id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10195" color="#0000ff"><a id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10196" href="https://www.google.com/search?q=ford+289+head+gasket&tbm=isch&source=iu&ictx=1&fir=RMOMMk1QHGWYxM%253A%252CSxxen8CYlo5ClM%252C_&usg=__tuNxeQEN8ENH1hfS7V2W9SzWlM0%3D&sa=X&ved=0ahUKEwjpiYXcl87aAhVPyWMKHRa0BAgQ9QEIfDAF#imgrc=A0-Ag7mZEwQoUM:&spf=1524410522839" target="_blank">https://www.google.com/search?<wbr>q=ford+289+head+gasket&tbm=<wbr>isch&source=iu&ictx=1&fir=<wbr>RMOMMk1QHGWYxM%253A%<wbr>252CSxxen8CYlo5ClM%252C_&usg=_<wbr>_tuNxeQEN8ENH1hfS7V2W9SzWlM0%<wbr>3D&sa=X&ved=<wbr>0ahUKEwjpiYXcl87aAhVPyWMKHRa0B<wbr>AgQ9QEIfDAF#imgrc=A0-<wbr>Ag7mZEwQoUM:&spf=1524410522839</a></font></u><a id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10082" href="https://www.google.com/search?q=ford+289+head+gasket&tbm=isch&source=iu&ictx=1&fir=RMOMMk1QHGWYxM%253A%252CSxxen8CYlo5ClM%252C_&usg=__tuNxeQEN8ENH1hfS7V2W9SzWlM0%3D&sa=X&ved=0ahUKEwjpiYXcl87aAhVPyWMKHRa0BAgQ9QEIfDAF#imgrc=IK-bA4JB9CrMxM:&spf=1524410522839" target="_blank"><wbr>2839<br></a></div><div class="m_614091282653733232yahoo_quoted" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9894" style="display:block">  <div id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9893" style="font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9892" style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10024" dir="ltr"> <font id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10125" face="Arial" size="2"> <hr size="1" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_10124"> <b><span style="font-weight:bold">From:</span></b> D or G at sbc via Tigers <<a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a>><br> <b><span style="font-weight:bold">To:</span></b> Joel Martin <<a href="mailto:jmartiniii@yahoo.com" target="_blank">jmartiniii@yahoo.com</a>>; Tiger List Serve <<a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a>> <br> <b><span style="font-weight:bold">Sent:</span></b> Sunday, April 22, 2018 9:17 AM<br> <b><span style="font-weight:bold">Subject:</span></b> Re: [Tigers] Fw: Overheating<br> </font> </div> <div class="m_614091282653733232y_msg_container" id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9891"><div><div class="h5"><br><div id="m_614091282653733232yiv3842116897"><div id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9890"><div id="m_614091282653733232yui_3_16_0_ym19_1_1524405983428_9889" style="color:rgb(0,0,0);font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:24px;background-color:rgb(255,255,255)">Here is a reply from another forum thread on head gaskets backwards.<br clear="none">David Franchi<br clear="none">-----------------------<br clear="none"><br clear="none">Check the gasket corner by the front lower head bolt on the forward side of the <br clear="none">head. There should be a square corner protruding 1/4 inch from under the head that can be seen or felt easily. (Some alum heads cover it but it can be seen or felt from the block side)<br clear="none"><br clear="none">If you see the corner the gasket is correct. The rear end of the gasket does NOT have a corner. Compare new gaskets at the parts store, turn one backwards and look. I believe that the FelPro gaskets DO have the corner.<br clear="none"><br clear="none">Caution, I have seen some hp gaskets that did not have the square corner.<br clear="none"><br clear="none">Go buy a NEW radiator cap and make the parts store get out their pressure tester and make sure the new cap holds pressure. Most caps test 2-4 pounds less than their rating. I just bought a brand name one and we had to test 4 to get one to test more than 12 on a 16 rating.... finally <br clear="none">got a 15 1/2.<br clear="none"><div id="m_614091282653733232yiv3842116897yui_3_16_0_ym19_1_1524403069212_47005"><br clear="none"></div><div id="m_614091282653733232yiv3842116897yui_3_16_0_ym19_1_1524403069212_47006">Photo link</div><br clear="none"><a href="http://sbftech.com/index.php?PHPSESSID=4f2b198aad3d85f8fb74d7b6eeeccd78&action=dlattach;topic=464.0;attach=463;image" target="_blank">http://sbftech.com/index.php?<wbr>PHPSESSID=<wbr>4f2b198aad3d85f8fb74d7b6eeeccd<wbr>78&action=dlattach;topic=464.<wbr>0;attach=463;image</a><div class="m_614091282653733232yiv3842116897yqt5313739216" id="m_614091282653733232yiv3842116897yqtfd30806"><br clear="none"><br clear="none">-----------------------------<br clear="none"><br clear="none"><br clear="none"><br clear="none"><br clear="none">______________________________<wbr>__<br clear="none"></div></div></div></div></div></div><div class="m_614091282653733232yqt5313739216" id="m_614091282653733232yqtfd51899"><span class="">______________________________<wbr>_________________<br clear="none"><br clear="none"><a href="mailto:tigers@autox.team.net" shape="rect" target="_blank">tigers@autox.team.net</a><br clear="none"><br clear="none">Donate: <a href="http://www.team.net/donate.html" shape="rect" target="_blank">http://www.team.net/donate.<wbr>html</a><br clear="none">Archive: <a href="http://www.team.net/archive" shape="rect" target="_blank">http://www.team.net/archive</a><br clear="none">Forums: <a href="http://www.team.net/forums" shape="rect" target="_blank">http://www.team.net/forums</a><br clear="none"></span>Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/maliburevue@yahoo.com" shape="rect" target="_blank">http://autox.team.net/mailman/<wbr>options/tigers/maliburevue@<wbr>yahoo.com</a><br clear="none"><br clear="none"><br clear="none"></div><br><br></div> </div> </div>  </div></div></div><br>______________________________<wbr>_________________<br>
<br>
<a href="mailto:tigers@autox.team.net">tigers@autox.team.net</a><br>
<br>
Donate: <a href="http://www.team.net/donate.html" rel="noreferrer" target="_blank">http://www.team.net/donate.<wbr>html</a><br>
Archive: <a href="http://www.team.net/archive" rel="noreferrer" target="_blank">http://www.team.net/archive</a><br>
Forums: <a href="http://www.team.net/forums" rel="noreferrer" target="_blank">http://www.team.net/forums</a><br>
Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/cliffomorgan@gmail.com" rel="noreferrer" target="_blank">http://autox.team.net/mailman/<wbr>options/tigers/cliffomorgan@<wbr>gmail.com</a><br>
<br>
<br>
<br></blockquote></div><br></div>