{"id":10807,"date":"2011-08-05T14:08:01","date_gmt":"2011-08-05T19:08:01","guid":{"rendered":"http:\/\/caddyinfo.com\/wordpress\/?p=10807"},"modified":"2011-08-05T18:04:10","modified_gmt":"2011-08-05T23:04:10","slug":"cadillac-sts-v-spectre-intake-dyno-test","status":"publish","type":"post","link":"http:\/\/www.caddyinfo.com\/wordpress\/cadillac-sts-v-spectre-intake-dyno-test\/","title":{"rendered":"Cadillac STS-V Spectre Intake dyno test"},"content":{"rendered":"<p>I had a great time with my Cadillac STS-V this morning at<a title=\"True Street Motorsports\" href=\"http:\/\/www.truestreetmotorsports.com\" target=\"_blank\"> True Street Motorsports<\/a> in McKinney.\u00a0 We did a baseline dyno run on my 2008 Cadillac STS-V, then installed a Spectre custom intake for the STS-V, and ran a new dyno for before\/after tests.\u00a0\u00a0 The Spectre intake was custom ordered through <a title=\"Street Side Auto\" href=\"http:\/\/www.streetsideauto.com\" target=\"_blank\">Streetsideauto<\/a>.<\/p>\n<div id=\"attachment_10809\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1686.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10809\" class=\"size-large wp-image-10809\" title=\"100_1686\" src=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1686-1024x682.jpg\" alt=\"\" width=\"1024\" height=\"682\" srcset=\"http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1686-1024x682.jpg 1024w, http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1686-500x333.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-10809\" class=\"wp-caption-text\">Cadillac STS-V on the Dynojet dyno<\/p><\/div>\n<p>As soon as I arrived the True Street Motorsports crew got the Cadillac on the dyno and off we went.<\/p>\n<p>A first casualty of the day were the batteries in my flip camera, so I switched my kodak to video mode and captured videos of the dyno runs:<br \/>\n<iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/L8puycYGFIE\" frameborder=\"0\" width=\"640\" height=\"510\"><\/iframe><\/p>\n<p>True Street\u00a0 Motorsports uses an in-ground Dynojet dyno.\u00a0 A dyno reads horsepower at the wheels, after losses through the transmission and rolling losses.<\/p>\n<p>One might expect an STS-V to put 360-370 hp to the wheels based on other results I have seen; my STS-V today did 356.8 whp and 350.2 ft-lb of torque, so a bit below average.<\/p>\n<p>Once we had a baseline, the team started removing the intake and replacing it with the Spectre custom STS-V intake.<\/p>\n<div id=\"attachment_10255\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/07\/100_1640.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10255\" class=\"size-large wp-image-10255\" title=\"100_1640\" src=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/07\/100_1640-1024x682.jpg\" alt=\"\" width=\"1024\" height=\"682\" srcset=\"http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/07\/100_1640-1024x682.jpg 1024w, http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/07\/100_1640-500x333.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-10255\" class=\"wp-caption-text\">STS-V LC3 Engine Compartment with side covers and front cover on<\/p><\/div>\n<p>This was the dirty picture from after I first removed the beauty cover to give an idea of the original intake tubing in place.<\/p>\n<p>For the first run it was 92.9F 29.64 in Hg Baro, humidity 15%.\u00a0 By the &#8216;after&#8217; runs it was 99.4F.<\/p>\n<div id=\"attachment_10811\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1688.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10811\" class=\"size-large wp-image-10811\" title=\"100_1688\" src=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1688-1024x682.jpg\" alt=\"Spectre intake parts ready to go in\" width=\"1024\" height=\"682\" srcset=\"http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1688-1024x682.jpg 1024w, http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1688-500x333.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-10811\" class=\"wp-caption-text\">Spectre intake parts ready to go in<\/p><\/div>\n<p>The new intake parts replaced all the factory intake from the box to the intake pipes leading around the engine.<\/p>\n<div id=\"attachment_10812\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1708.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10812\" class=\"size-large wp-image-10812\" title=\"100_1708\" src=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1708-1024x682.jpg\" alt=\"\" width=\"1024\" height=\"682\" srcset=\"http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1708-1024x682.jpg 1024w, http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1708-500x333.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-10812\" class=\"wp-caption-text\">Spectre Intake installed STS-V<\/p><\/div>\n<p>The OEM intake has baffles to reduce the supercharger characteristic whine; the new intake is lighter and has no sound baffles.<\/p>\n<div id=\"attachment_10815\" style=\"width: 510px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1692.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10815\" class=\"size-medium wp-image-10815\" title=\"100_1692\" src=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1692-500x333.jpg\" alt=\"\" width=\"500\" height=\"333\" srcset=\"http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1692-500x333.jpg 500w, http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/100_1692-1024x682.jpg 1024w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><p id=\"caption-attachment-10815\" class=\"wp-caption-text\">OEM intake piping with baffles<\/p><\/div>\n<p>With the intake installed, coolant hosing routed appropriately, and fuel trims reset, we were ready for the AFTER dyno pulls<\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/CRzjyyQG3So?hd=1\" frameborder=\"0\" width=\"640\" height=\"510\"><\/iframe><\/p>\n<p>UPDATE: replaced the &#8216;after&#8217; video with higher rez combination of the two video files.<\/p>\n<p>This chart shows the before\/after dyno runs on a single comparison chart:<\/p>\n<div id=\"attachment_10816\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/STSv-silver.bmp\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10816\" class=\"size-full wp-image-10816\" title=\"STSv silver\" src=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/STSv-silver.bmp\" alt=\"\" width=\"1024\" height=\"742\" \/><\/a><p id=\"caption-attachment-10816\" class=\"wp-caption-text\">2008 STS-V Before\/After dyno runs<\/p><\/div>\n<p>Lots of things to consider in these results.\u00a0 First, I am happy with the Spectre Intake and the support from StreetSideAuto, and I had a blast at TrueStreet Motorsports, so thanks all around to everyone.\u00a0 I&#8217;ll be doing more dyno runs at True Street Motorsports in the future.<\/p>\n<p>The results were somewhat worse than hoped &#8212; I was hoping to see +40 whp before\/after and we saw +19 whp.\u00a0 If the 356.5 whp was 469 hp at the crank &#8220;before&#8221; (24% losses) under perfect conditions, then the after reading of 375.4 whp might equate to 493 hp at the crank &#8220;after&#8221; with only the Spectre Intake mod, or +24hp.<\/p>\n<p>It was very hot here in Texas, and although the dynojet uses a correction factor to &#8216;standard&#8217; conditions, that may or may not compensate adequately for the actual hp lost due to the hot air for a supercharged Cadillac.<\/p>\n<div id=\"attachment_10824\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/ComparisonSmoothing2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10824\" class=\"size-large wp-image-10824\" title=\"ComparisonSmoothing2\" src=\"http:\/\/caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/ComparisonSmoothing2-1024x558.jpg\" alt=\"\" width=\"1024\" height=\"558\" srcset=\"http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/ComparisonSmoothing2-1024x558.jpg 1024w, http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/ComparisonSmoothing2-500x272.jpg 500w, http:\/\/www.caddyinfo.com\/wordpress\/wp-content\/uploads\/2011\/08\/ComparisonSmoothing2.jpg 1691w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-10824\" class=\"wp-caption-text\">HP vs Torque across all 4 runs exported Run Viewer<\/p><\/div>\n<p>This chart is the same data done using the raw files and the dynojet viewer.\u00a0\u00a0 Click on the image for a larger copy, then hit back to return.<\/p>\n<p>Next I want to wait a couple of weeks, then rerun a &#8216;check&#8217; dyno, and swap the MAF to a different lot of the same p\/n MAF and retest.<\/p>\n<h2>Summary<\/h2>\n<p>Good day, parts works, good times were had.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I had a great time with my Cadillac STS-V this morning at True Street Motorsports in McKinney.\u00a0 We did a baseline dyno run on my 2008 Cadillac STS-V, then installed a Spectre custom intake for the STS-V, and ran a &hellip; <a href=\"http:\/\/www.caddyinfo.com\/wordpress\/cadillac-sts-v-spectre-intake-dyno-test\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,523,189],"tags":[541,766,767,768,724,763,703],"class_list":["post-10807","post","type-post","status-publish","format-standard","hentry","category-site-info-news","category-sts-v-cadillac-models","category-test-info","tag-cadillac-sts-v","tag-dyno","tag-dynojet","tag-fun","tag-spectre","tag-streetsideauto","tag-true-street-motorsports"],"_links":{"self":[{"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/posts\/10807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/comments?post=10807"}],"version-history":[{"count":26,"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/posts\/10807\/revisions"}],"predecessor-version":[{"id":11082,"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/posts\/10807\/revisions\/11082"}],"wp:attachment":[{"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/media?parent=10807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/categories?post=10807"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.caddyinfo.com\/wordpress\/wp-json\/wp\/v2\/tags?post=10807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}