1.0Supercars.nethttps://www.supercars.net/blogrich600338<blockquote class="wp-embedded-content" data-secret="SZj0tl1RFe"><a href="https://www.supercars.net/blog/1921%e2%86%921926-pierce-arrow-series-33/">1921 – 1926 Pierce-Arrow Series 33</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.supercars.net/blog/1921%e2%86%921926-pierce-arrow-series-33/embed/#?secret=SZj0tl1RFe" width="600" height="338" title="“1921 – 1926 Pierce-Arrow Series 33” — Supercars.net" data-secret="SZj0tl1RFe" 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/2016/04/1921_PierceArrow_Series33-0-1024.jpg10246831921→1926 Pierce-Arrow Series 33 In 1921, Pierce slight revised their Model 32 into the Series 33 which would be produced until 1926. It was the ultimate version of Pierce-Arrows huge six-cylinder engine with the ‘Dual-Valve’ cylinder head. The engine made great use of a twin-spark setup with twin coils, distributors and spark plugs. A switch on the dashboard could turn on either bank of plugs.1 From earlier models, the Series 33 rode on Westinghouse air-spring shock absorbers that relied on […]