1.0Black Smoke Ltdhttps://www.blacksmokeracing.com/svJoni Uunilahttps://www.blacksmokeracing.com/sv/posts/author/joni/rich600338<blockquote class="wp-embedded-content" data-secret="zQHOzKHdif"><a href="https://www.blacksmokeracing.com/sv/tuning-guides/om648-om613-400-500hp/">OM648 / OM613 400-500hk</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.blacksmokeracing.com/sv/tuning-guides/om648-om613-400-500hp/embed/#?secret=zQHOzKHdif" width="600" height="338" title="”OM648 / OM613 400-500hp” – Black Smoke Ltd" data-secret="zQHOzKHdif" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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.blacksmokeracing.com/wp-includes/js/wp-embed.min.js </script>Level: Hard, requires knowledge about engines and ability to manufacture parts. 400-500 horsepowers gets close to the limits of this engine but is still possible to get reliable (Our race engine is about 800hp). However to get it reliable we recommend quite a lot of improvements. You will have to modify the internal mechanical parts,...https://www.blacksmokeracing.com/wp-content/uploads/2014/04/nexteventbg.png