1.0Supercars.nethttps://www.supercars.net/blogrich600338<blockquote class="wp-embedded-content" data-secret="7CfnpGwwe5"><a href="https://www.supercars.net/blog/porsche-917-at-40/">Porsche 917 at 40</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.supercars.net/blog/porsche-917-at-40/embed/#?secret=7CfnpGwwe5" width="600" height="338" title="“Porsche 917 at 40” — Supercars.net" data-secret="7CfnpGwwe5" 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/2016/01/857459.jpg1024768Porsche 917 Turns 40 Porsche launched the 917 40 years ago and it’s still their most important racecar to date. This dangerous, yet successful machine gave Porsche victory at Le Mans and all the other international races of its time. Porsche started their long 917 race program in 1969 with a series of 25 identical cars that were upgraded throughout their career. The first major modification was a stability upgrade that came in 1970 with the 917 Kurzheck or short tail. […]