{"id":252480,"date":"2016-04-22T13:16:38","date_gmt":"2016-04-22T13:16:38","guid":{"rendered":"http:\/\/blog.supercars.net\/blog\/?p=252480"},"modified":"2024-06-04T14:57:46","modified_gmt":"2024-06-04T14:57:46","slug":"2008-renntech-slr-722-pkg2","status":"publish","type":"post","link":"https:\/\/www.supercars.net\/blog\/2008-renntech-slr-722-pkg2\/","title":{"rendered":"2008 RENNtech SLR 722 PKG2"},"content":{"rendered":"<h1>2008 RENNtech SLR 722 PKG2<\/h1>\n<div class=\"copy-paste-block\">\n<p><span id=\"intelliTXT\">When Mercedes-Benz introduced its SLR McLaren 722, there was a bit of confusion about the special-edition&#8217;s name. Many believed the car would offer a fire-breathing, 722 hp supercharged V8, but it doesn&#8217;t (it makes 650 hp). Some believed that &#8220;722&#8221; meant there would be 722 of the cars made &#8230; but that was wrong, too. In the end, the 722 badge actually referred to 7:22AM &#8211; the starting time of Sterling Moss&#8217; epic 1955 Mille Miglia run in a then-new Mercedes SLR.<\/span><\/p>\n<h4>SO, 722 = 7:22AM, not 722 hp.<\/h4>\n<p>While the automotive enthusiasts of the world uttered a collective (and skeptical) &#8220;um &#8230; OK&#8221;, Hartmut Feyhl took one look and announced: &#8220;this car should have 722 hp&#8221;. When most enthusiasts say things like that, they can be easily ignored &#8211; but when Feyhl says something like this &#8211; it happens.<\/p>\n<p>Hartmut is the owner and chief engineer of RENNTECH, the South Florida-based tuning firm best known for producing incredibly powerful Mercedes-Benz automobiles that often redefine what highly-tuned exotic cars should and should not be capable of.<\/p>\n<p>Last year, RENNTECH introduced their own &#8220;722&#8221; option: RENNTECH SLR Performance PKG1. RENNTECH&#8217;s PKG1 upgrades included upgraded intercoolers, a larger crankshaft pulley, and custom ECU software that delivered the full 722 hp SLR customers expected (along with more than 700 lb-ft of torque!). RENNTECH announced the package in an April &#8217;07 press release titled &#8220;Here in Florida, 722 Means What You Think it Means&#8221;, and SLR customers responded by sending their cars to Feyhl&#8217;s Florida garage from across the Western hemisphere &#8230;<\/p>\n<p>&#8230; of course, after driving their new 722 hp rocketship for a few months, some of Feyhl&#8217;s customers started asking for more, which brings us to RENNTECH&#8217;s latest batch of SLR tuning options: SLR Performance PKG2 and new RENNTECH Signature 10-spoke, 3 pc. performance wheels.<\/p>\n<p>Available for both the &#8220;standard&#8221; SLR and 722 models, PKG2 builds on RENNTECH&#8217;s previous upgrades by adding a less restrictive, motorsports-style exhaust system and re-mapped ECU software to boost the already powerful SLR engine to over 740 hp at 6400 rpm.<\/p>\n<p>To give the SLR more visual impact, RENNTECH now offers its Signature 10 spoke wheels in SLR offsets and 3 finishes (chrome, satin-ceramic, and sniper gray). Pricing for RENNTECH&#8217;s SLR performance upgrades are set at 12990US for PKG1 and 26990US for PKG2. RENNTECH 20&#8243; wheels are 1950US (ea.). Big Brake upgrades also available &#8211; contact RENNTECH for more.<\/p>\n<p>Story by RENNtech<\/p>\n<figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21.jpg\" class=\"attachment-full size-full\" alt=\"2008 RENNtech SLR 722 PKG2\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG21-293x195.jpg 293w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22.jpg\" class=\"attachment-full size-full\" alt=\"2008 RENNtech SLR 722 PKG2\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG22-293x195.jpg 293w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23.jpg\" class=\"attachment-full size-full\" alt=\"2008 RENNtech SLR 722 PKG2\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23-300x200.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23-100x67.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23-770x513.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23-360x240.jpg 360w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23-370x247.jpg 370w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23-293x195.jpg 293w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div><\/figure><figure class='gallery-item'>\r\n            <div class='gallery-icon landscape'>\r\n                <a href='https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/988328.jpg' class='tipi-lightbox'>\r\n\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/988328.jpg\" class=\"attachment-full size-full\" alt=\"2008 RENNtech SLR 722 PKG2\" srcset=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/988328.jpg 1024w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/988328-300x225.jpg 300w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/988328-100x75.jpg 100w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/988328-770x578.jpg 770w, https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/988328-293x220.jpg 293w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\r\n\t\t\t\t<\/a>\r\n            <\/div><\/figure>\n<div class=\"copy-paste-block\">\n<h3>In Detail<\/h3>\n<table class=\"cardetails\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\"><\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\"><\/td>\n<\/tr>\n<tr>\n<td class=\"boldlabel\" align=\"left\" valign=\"bottom\" width=\"30%\">engine<\/td>\n<td class=\"boldvalue\" align=\"right\" valign=\"bottom\" width=\"70%\">90 Degree AMG V8 w\/Dry Sump, RENNtech Exhaust<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">position<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">Front-Mid Longitudinal<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">aspiration<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">Screw-Type Supercharger w\/Two Charge-Air Coolers<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">valvetrain<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">SOHC, 3 Valves per Cyl<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">displacement<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">5439 cc \/ 331.91 in\u00b3<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">bore<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">97 mm \/ 3.8 in<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">stroke<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">92 mm \/ 3.6 in<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">power<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">551.8 kw \/ 740 bhp @ 6400 rpm<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">specific output<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">136.05 bhp per litre<\/td>\n<\/tr>\n<tr>\n<td class=\"boldlabel\" align=\"left\" valign=\"bottom\" width=\"30%\">body \/ frame<\/td>\n<td class=\"boldvalue\" align=\"right\" valign=\"bottom\" width=\"70%\">Carbon Fibre &amp; Compsite Body &amp; Chassis<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">wheel type<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">RENNTECH Signature 10-spoke<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">steering<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">Rack &amp; Pinion w\/Speed Sensitive Assist<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">f suspension<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">Double Wishbones w\/Anti-Roll Bar<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">r suspension<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">Double Wishbones w\/Anti-Roll Bar<\/td>\n<\/tr>\n<tr>\n<td class=\"label\" align=\"left\" valign=\"bottom\" width=\"30%\">transmission<\/td>\n<td class=\"value\" align=\"right\" valign=\"bottom\" width=\"70%\">5-Speed Auto w\/Speedshift System<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>2008 RENNtech SLR 722 PKG2 When Mercedes-Benz introduced its SLR McLaren 722, there was a bit of confusion about the special-edition&#8217;s name. Many believed the car would offer a fire-breathing, 722 hp supercharged V8, but it doesn&#8217;t (it makes 650 hp). Some believed that &#8220;722&#8221; meant there would be 722 of the cars made &#8230; but that was wrong, too. In the end, the 722 badge actually referred to 7:22AM &#8211; the starting time of Sterling Moss&#8217; epic 1955 Mille [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":252487,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2190,73,9348,17406,1809],"tags":[18322,6825,75,6910,19979,13061,17407,1824,21005],"class_list":["post-252480","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2000s","category-mercedes-benz","category-guides","category-model-guides-tuner","category-renntech","tag-2000s-all","tag-2000s-cars","tag-mercedes-benz","tag-mercedes-model-in-depth","tag-mercedes-benz-model-guides-tuner-cars","tag-car-profiles","tag-model-guides-tuner","tag-renntech","tag-renntech-model-guides-all"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2008 RENNtech SLR 722 PKG2<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.supercars.net\/blog\/2008-renntech-slr-722-pkg2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2008 RENNtech SLR 722 PKG2\" \/>\n<meta property=\"og:description\" content=\"2008 RENNtech SLR 722 PKG2 When Mercedes-Benz introduced its SLR McLaren 722, there was a bit of confusion about the special-edition&#8217;s name. Many believed the car would offer a fire-breathing, 722 hp supercharged V8, but it doesn&#8217;t (it makes 650 hp). Some believed that &#8220;722&#8221; meant there would be 722 of the cars made &#8230; but that was wrong, too. In the end, the 722 badge actually referred to 7:22AM &#8211; the starting time of Sterling Moss&#8217; epic 1955 Mille [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.supercars.net\/blog\/2008-renntech-slr-722-pkg2\/\" \/>\n<meta property=\"og:site_name\" content=\"Supercars.net\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Supercars.net\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/Supercars.net\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-04-22T13:16:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-04T14:57:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.supercars.net\/blog\/wp-content\/uploads\/2016\/04\/2008_RENNtech_SLR722PKG23.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"682\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta 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