1.0Supercars.nethttps://www.supercars.net/blogrich600338<blockquote class="wp-embedded-content" data-secret="a3aXlck1mW"><a href="https://www.supercars.net/blog/the-american-grand-prize/">The American Grand Prize – History & Ultimate Guide</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.supercars.net/blog/the-american-grand-prize/embed/#?secret=a3aXlck1mW" width="600" height="338" title="“The American Grand Prize – History & Ultimate Guide” — Supercars.net" data-secret="a3aXlck1mW" 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/2009/10/gprize1-1.jpg800424The American Grand Prize – The Great Races By Dennis David The Vanderbilt cup under the control of the American Automobile Association (AAA) turned their backs on the Grand Prix cars of Europe in a quest to have an American car take the Cup. The Europeans seeing their advantage disappear by the rule changes stayed away from the Vanderbilt Cup and chose to enter the new American Grand Prize instead. Organized by the Automobile Club of America (ACA) rivals of […]