{"id":2563,"date":"2014-01-01T12:10:25","date_gmt":"2014-01-01T20:10:25","guid":{"rendered":"http:\/\/specialtyz.com\/blog\/?p=2563"},"modified":"2015-05-12T10:02:43","modified_gmt":"2015-05-12T17:02:43","slug":"marks-2012-gtr","status":"publish","type":"post","link":"http:\/\/blog.specialtyz.com\/?p=2563","title":{"rendered":"Mark&#8217;s 2012 GTR"},"content":{"rendered":"<p><a style=\"line-height: 1.5em;\" href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/gtr_wet.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2565\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/gtr_wet.jpg\" alt=\"gtr_wet\" width=\"1024\" height=\"768\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/gtr_wet.jpg 1024w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/gtr_wet-800x600.jpg 800w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/gtr_wet-120x90.jpg 120w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/gtr_wet-240x180.jpg 240w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">We previously installed down pipes on Mark&#8217;s GTR some time ago\u00a0<a href=\"http:\/\/specialtyz.com\/blog\/?p=1607\">(click me to see the old blog post)<\/a>. \u00a0Mark came back in for a few tweaks. \u00a0One was to make the move to EcuTek from Cobb. \u00a0Since Mark is an avid drag racer, EcuTek gives him the ability to make on the fly changes to his launching RPMs. \u00a0If the track isn&#8217;t prepped as well as he&#8217;d like he can lower the launch control RPM for better 60 foots along with raising the RPM should the track and tires hold it. \u00a0Changes to launch control boost pressures can also be made. \u00a0We also made the move to allow his GTR to run on ethanol.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/injectorinstall.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2569\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/injectorinstall.jpg\" alt=\"injectorinstall\" width=\"1024\" height=\"768\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectorinstall.jpg 1024w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectorinstall-800x600.jpg 800w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectorinstall-120x90.jpg 120w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectorinstall-240x180.jpg 240w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">The first order of business was upgrading the fuel injectors to allow more fuel for ethanol use. \u00a0We went with 1150cc fuel injectors and necessary adapter kit for a simple plug n&#8217; play solution. \u00a0Injectors are installed in the above picture.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/injectors.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2570\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/injectors.jpg\" alt=\"injectors\" width=\"1024\" height=\"768\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectors.jpg 1024w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectors-800x600.jpg 800w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectors-120x90.jpg 120w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/injectors-240x180.jpg 240w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Factory fuel injector on the left and our 1150cc injector on the right.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/sock.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2571\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/sock.jpg\" alt=\"sock\" width=\"768\" height=\"1024\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/sock.jpg 768w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/sock-450x600.jpg 450w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/sock-576x768.jpg 576w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">We upgraded the secondary fuel pump with a Walbro &#8220;485&#8221; fuel pump. \u00a0We noticed that the pump socks off the 2012s are much smaller than the ones off of the 2014s. \u00a0Small changes Nissan makes throughout the years.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/airbox.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2573\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/airbox.jpg\" alt=\"airbox\" width=\"1024\" height=\"768\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airbox.jpg 1024w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airbox-800x600.jpg 800w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airbox-120x90.jpg 120w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airbox-240x180.jpg 240w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">The factory air boxes (one pictured above) was removed and replaced with open air element filters and larger 3&#8243; piping. \u00a0This change allows us to continue running MAF sensors since now the threshold for maxing out the sensors has been moved up. \u00a0Tuned on 91 octane will get you extremely close to maxing out the factory MAF sensors. \u00a0Thankfully with EcuTek we can ditch the MAF sensors and convert to speed density. \u00a0Perfect for someone not wanting to upgrade to an aftermarket intake(s) or for those with larger upgraded turbos.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/airfilters.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2574\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/airfilters.jpg\" alt=\"airfilters\" width=\"1024\" height=\"768\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airfilters.jpg 1024w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airfilters-800x600.jpg 800w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airfilters-120x90.jpg 120w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/airfilters-240x180.jpg 240w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Our new 3&#8243; intakes installed. \u00a0You can see the air filters get moved up to the bumper area keeping them away from the engine bay and its heat. The cover for the top of the bumper is removed to show where the filters now sit. \u00a0The intake piping is hard to notice since it is powdercoated wrinkle black and we&#8217;ve acquired more &#8220;open&#8221; space with the removal of the air boxes.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/enginebay.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2575\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/enginebay.jpg\" alt=\"enginebay\" width=\"1024\" height=\"768\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/enginebay.jpg 1024w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/enginebay-800x600.jpg 800w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/enginebay-120x90.jpg 120w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/enginebay-240x180.jpg 240w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Final shot of the install.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/91tune.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2576\" src=\"http:\/\/specialtyz.com\/blog\/wp-content\/uploads\/2014\/01\/91tune.jpg\" alt=\"91tune\" width=\"1024\" height=\"551\" srcset=\"https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/91tune.jpg 1024w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/91tune-800x430.jpg 800w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/91tune-650x350.jpg 650w, https:\/\/blog.specialtyz.com\/wp-content\/uploads\/2014\/01\/91tune-247x134.jpg 247w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">After all the modifications were completed we tuned for 91 octane. \u00a0Making peak power on 14 psi. \u00a0Boost drops off at the top due to turbo sizing. \u00a0There are a few things that can be done to help make the stock turbos hold more but in doing so back pressure rises quickly between the engine and turbines.<\/p>\n<p style=\"text-align: center;\">\n<p style=\"text-align: center;\">\n","protected":false},"excerpt":{"rendered":"<p>We previously installed down pipes on Mark&#8217;s GTR some time ago\u00a0(click me to see the old blog post). \u00a0Mark came back in for a few tweaks. \u00a0One was to make the move to EcuTek from Cobb. \u00a0Since Mark is an avid drag racer, EcuTek gives him the ability to make on the fly changes to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3,1,10],"tags":[],"class_list":["post-2563","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-builds","category-dyno","category-general","category-srka"],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=\/wp\/v2\/posts\/2563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2563"}],"version-history":[{"count":7,"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=\/wp\/v2\/posts\/2563\/revisions"}],"predecessor-version":[{"id":2870,"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=\/wp\/v2\/posts\/2563\/revisions\/2870"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=\/wp\/v2\/media\/2565"}],"wp:attachment":[{"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2563"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.specialtyz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}