1.0Supercars.nethttps://www.supercars.net/blogrich600338<blockquote class="wp-embedded-content" data-secret="jGvP3aHUUx"><a href="https://www.supercars.net/blog/1939-mg-tb/">1939 MG TB</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.supercars.net/blog/1939-mg-tb/embed/#?secret=jGvP3aHUUx" width="600" height="338" title="“1939 MG TB” — Supercars.net" data-secret="jGvP3aHUUx" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.supercars.net/blog/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://www.supercars.net/blog/wp-content/uploads/2015/03/1939MGTB088.jpg1080720The middle of April 1939, brought the end of the run of 3003 MG TAs. Following close on its heels was the new and improved MG TB. Even though the running gear was identical to the earlier model, there were several key elements to set it apart. A gearbox with much improved synchromesh and the now ubiquitous XPAG engine. This engine would continue under the bonnet of the T series right up to the TF. The XPAG was derived from […]