{"id":870,"date":"2017-11-15T10:19:17","date_gmt":"2017-11-15T18:19:17","guid":{"rendered":"http:\/\/automobileman.com\/wp\/?p=870"},"modified":"2017-11-22T17:13:27","modified_gmt":"2017-11-23T01:13:27","slug":"gen-v-lt1lt4-header-collector-gasket-and-flange","status":"publish","type":"post","link":"http:\/\/automobileman.com\/wp\/?p=870","title":{"rendered":"Gen V LT1\/LT4 header collector gasket and flange"},"content":{"rendered":"<p><span style=\"color: #000000;\">When I was making up my collector flange for the exhaust system, we designed a template that acted as both the design for the gasket and the flange itself.\u00a0 I searched high and low, but was unable to find anything available off the shelf other than direct from GM, this is a unique flange\/bolt arrangement that appears to be only used on the GEN V engine.\u00a0\u00a0<\/span><span style=\"color: #000000; letter-spacing: 0.05em;\">GM wants $57.00 for a gasket and almost $600 for each downpipe that connects to the header, so here&#8217;s a simple solution.<br \/>\n<a href=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/LT4-headers.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-876 alignleft\" src=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/LT4-headers-300x246.jpg\" alt=\"\" width=\"300\" height=\"246\" srcset=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/LT4-headers-300x246.jpg 300w, http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/LT4-headers-768x630.jpg 768w, http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/LT4-headers-1024x840.jpg 1024w, http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/LT4-headers.jpg 1097w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\nThis is the header system that the template will fit, click on the image for a higher resolution view.<\/span><\/p>\n<p><span style=\"color: #000000;\"><a href=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/collector-template.pdf\">Collector template<\/a> -download this PDF file for fabrication.<a href=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/collector-template.pdf\"><br \/>\n<\/a><a href=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/collector-template.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-874 alignleft\" src=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/collector-template-web-300x296.jpg\" alt=\"\" width=\"300\" height=\"296\" srcset=\"http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/collector-template-web-300x296.jpg 300w, http:\/\/automobileman.com\/wp\/wp-content\/uploads\/2017\/11\/collector-template-web.jpg 595w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">This template is scanned full size on a regular sheet of paper so when you print it out, please print actual size so the image doesn&#8217;t get distorted.\u00a0 The actual diagonal distance between bolt holes is about 3 7\/8&#8243;.\u00a0 The pipe diameter is 2 1\/2&#8243;, but we elected to design the flange so the exhaust tubing entered into the hole rather than be welded on the outside, for thickness we used 5\/16&#8243; thick steel.\u00a0 It&#8217;s your choice, but adjust the diameter of the exhaust hole based upon the size of the exhaust tubing your&#8217;e using.<\/span><\/p>\n<p><span style=\"color: #000000;\">For the gasket we used aluminum and heat tempered it so it was pliable, worked great and saved a ton of money.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When I was making up my collector flange for the exhaust system, we designed a template that acted as both the design for the gasket and the flange itself.\u00a0 I searched high and low, but was unable to find anything&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"http:\/\/automobileman.com\/wp\/?p=870\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-870","post","type-post","status-publish","format-standard","hentry","category-z06-camaro"],"_links":{"self":[{"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=870"}],"version-history":[{"count":14,"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/870\/revisions"}],"predecessor-version":[{"id":921,"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/870\/revisions\/921"}],"wp:attachment":[{"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=870"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/automobileman.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}