{"id":3206,"date":"2015-03-16T09:30:42","date_gmt":"2015-03-16T13:30:42","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=3206"},"modified":"2015-03-14T13:46:46","modified_gmt":"2015-03-14T17:46:46","slug":"project-thunderbolt-building-a-ls3-powered-miata-part-4","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=3206","title":{"rendered":"Project Thunderbolt: Building A LS3 Powered Miata \u2013 Part 4"},"content":{"rendered":"<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=5705\" rel=\"attachment wp-att-5705\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"5705\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=5705\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?fit=1200%2C666&amp;ssl=1\" data-orig-size=\"1200,666\" data-comments-opened=\"1\" data-image-title=\"Project Thunderbolt a LS3 Powered Miata 04\" data-image-description=\"&lt;p&gt;Project Thunderbolt a LS3 Powered Miata&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?fit=1024%2C568&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?resize=625%2C347&#038;ssl=1\" alt=\"Project Thunderbolt a LS3 Powered Miata\" width=\"625\" height=\"347\" class=\"alignnone size-large wp-image-5705\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?resize=1024%2C568&amp;ssl=1 1024w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?resize=600%2C333&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?resize=624%2C346&amp;ssl=1 624w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/Project-Thunderbolt-a-LS3-Powered-Miata-03.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><\/p>\n<p>Tom&#8217;s Turbo Garage has started a new project building a LS3 powered Mazda Miata. In this episode Tom modifies his chassis, mounts the Getrag differential from a 2004-2007 Cadillac CTS-V, and sets up the LS376\/525 for the Miata. He also talks about the Tremec Magnum transmission he choose for the project.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/Md-36o7BN8Q\" width=\"620\" height=\"349\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=5706\" rel=\"attachment wp-att-5706\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"5706\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=5706\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?fit=1200%2C666&amp;ssl=1\" data-orig-size=\"1200,666\" data-comments-opened=\"1\" data-image-title=\"stock Miata diff vs Cadillac CTS-V diff\" data-image-description=\"&lt;p&gt;stock Miata diff vs Cadillac CTS-V diff&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?fit=1024%2C568&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?resize=625%2C347&#038;ssl=1\" alt=\"stock Miata diff vs Cadillac CTS-V diff\" width=\"625\" height=\"347\" class=\"alignnone size-large wp-image-5706\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?resize=1024%2C568&amp;ssl=1 1024w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?resize=600%2C333&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?resize=624%2C346&amp;ssl=1 624w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/03\/stock-Miata-diff-vs-Cadillac-CTS-V-diff.jpg?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><\/p>\n<p>Source: <a href=\"https:\/\/www.youtube.com\/channel\/UCPbcdXYlIxk8a_4xXzyqepw\">Tom&#8217;s Turbo Garage<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tom&#8217;s Turbo Garage has started a new project building a LS3 powered Mazda Miata. In this episode Tom modifies his chassis, mounts the Getrag differential from a 2004-2007 Cadillac CTS-V, and sets up the LS376\/525 for the Miata. He also talks about the Tremec Magnum transmission he choose for the project. Source: Tom&#8217;s Turbo Garage<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[41],"tags":[],"class_list":["post-3206","post","type-post","status-publish","format-standard","hentry","category-miata"],"jetpack-related-posts":[{"id":100769,"url":"https:\/\/engineswapdepot.com\/?p=100769","url_meta":{"origin":3206,"position":0},"title":"Tom&#8217;s Turbo Garage is Selling Project Thunderbolt &#8211; 2004 Miata with a LS3 V8","author":"swaptastic","date":"May 24, 2023","format":false,"excerpt":"Tom's Turbo Garage is selling his 2004 Mazda Miata on Bring a Trailer. Tom built \"Project Thunderbolt\" several years ago with a 6.2 L LS375\/525 V8 crate motor. The motor features a Moroso aluminum oil pan and Flyin' Miata tubular headers and fuel system. Tom paired the V8 with a\u2026","rel":"","context":"In &quot;Miata&quot;","block_context":{"text":"Miata","link":"https:\/\/engineswapdepot.com\/?cat=41"},"img":{"alt_text":"2004 Mazda Miata with a LS3 V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/05\/2004-Mazda-Miata-with-a-LS3-V8-01.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/05\/2004-Mazda-Miata-with-a-LS3-V8-01.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/05\/2004-Mazda-Miata-with-a-LS3-V8-01.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/05\/2004-Mazda-Miata-with-a-LS3-V8-01.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/05\/2004-Mazda-Miata-with-a-LS3-V8-01.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":145049,"url":"https:\/\/engineswapdepot.com\/?p=145049","url_meta":{"origin":3206,"position":1},"title":"1970 MGB GT with a LS3 V8","author":"swaptastic","date":"February 10, 2026","format":false,"excerpt":"Leroy Engineering is a company in Chardon, Ohio specializing in Mazda Miata maintenance, restoration, and performance. However when they were asked to build a special 1970 MGB GT they accepted. The company swapped the factory inline-four for a 6.2 L LS3 V8 capable of at least 430 hp (316 kW).\u2026","rel":"","context":"In &quot;MGB&quot;","block_context":{"text":"MGB","link":"https:\/\/engineswapdepot.com\/?cat=421"},"img":{"alt_text":"1970 MGB GT with a LS3 V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1970-MGB-GT-with-a-LS3-V8-01.jpg?fit=1200%2C857&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1970-MGB-GT-with-a-LS3-V8-01.jpg?fit=1200%2C857&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1970-MGB-GT-with-a-LS3-V8-01.jpg?fit=1200%2C857&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1970-MGB-GT-with-a-LS3-V8-01.jpg?fit=1200%2C857&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1970-MGB-GT-with-a-LS3-V8-01.jpg?fit=1200%2C857&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":149004,"url":"https:\/\/engineswapdepot.com\/?p=149004","url_meta":{"origin":3206,"position":2},"title":"Miata with a Turbo 07K Inline-Five Racing in Hillclimb and Time Attack","author":"swaptastic","date":"May 26, 2026","format":false,"excerpt":"Phillip Glass-Hess aka Wingman703 built his 1994 Mazda Miata for hillclimb and time attack. The sports car is powered by a turbocharged 2.5 L Volkswagen 07K inline-five sitting further back in the engine bay thanks to a custom recessed firewall. The motor produces of 465 hp (342 kW) and 433\u2026","rel":"","context":"In &quot;Miata&quot;","block_context":{"text":"Miata","link":"https:\/\/engineswapdepot.com\/?cat=41"},"img":{"alt_text":"front view of a Mazda Miata with a turbocharged VW 07K inline-five","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/05\/Mazda-Miata-with-a-turbo-VW-07K-inline-five-11.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/05\/Mazda-Miata-with-a-turbo-VW-07K-inline-five-11.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/05\/Mazda-Miata-with-a-turbo-VW-07K-inline-five-11.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/05\/Mazda-Miata-with-a-turbo-VW-07K-inline-five-11.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/05\/Mazda-Miata-with-a-turbo-VW-07K-inline-five-11.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":144751,"url":"https:\/\/engineswapdepot.com\/?p=144751","url_meta":{"origin":3206,"position":3},"title":"Mazda Miata with a Honda K24","author":"swaptastic","date":"February 2, 2026","format":false,"excerpt":"Speed Academy built this Mazda Miata (NC) for the track. Under the hood is a 2.4 L Honda K24 inline-four using a KPower Industries swap kit and tubular front subframe. The motor features RDX 440 cc fuel injectors, K20 crank pulley, KPower intake manifold with a Bosch 74 mm DBW\u2026","rel":"","context":"In &quot;Miata&quot;","block_context":{"text":"Miata","link":"https:\/\/engineswapdepot.com\/?cat=41"},"img":{"alt_text":"NC Mazda Miata with a Honda K24 inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/NC-Mazda-Miata-with-a-Honda-K24-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/NC-Mazda-Miata-with-a-Honda-K24-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/NC-Mazda-Miata-with-a-Honda-K24-01.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/NC-Mazda-Miata-with-a-Honda-K24-01.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/NC-Mazda-Miata-with-a-Honda-K24-01.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":142103,"url":"https:\/\/engineswapdepot.com\/?p=142103","url_meta":{"origin":3206,"position":4},"title":"Mazda Miata with a Turbo 2.5 L Duratec","author":"swaptastic","date":"December 12, 2025","format":false,"excerpt":"Armand Hindrichs and his company AR Hindrichs LLC in Cypress, Texas specializes in Mazda Miata repair and performance. Armand built himself a blue Miata NC for racing at the track. The car is powered by a turbocharged 2.5 L Duratec inline-four featuring a XeroLimit intake manifold, Garrett G30-660 turbocharger, and\u2026","rel":"","context":"In &quot;Miata&quot;","block_context":{"text":"Miata","link":"https:\/\/engineswapdepot.com\/?cat=41"},"img":{"alt_text":"Mazda Miata with a turbocharged 2.5 L Duratec inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/Mazda-Miata-with-a-turbo-2.5-L-Duratec-02.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/Mazda-Miata-with-a-turbo-2.5-L-Duratec-02.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/Mazda-Miata-with-a-turbo-2.5-L-Duratec-02.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/Mazda-Miata-with-a-turbo-2.5-L-Duratec-02.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/Mazda-Miata-with-a-turbo-2.5-L-Duratec-02.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":110849,"url":"https:\/\/engineswapdepot.com\/?p=110849","url_meta":{"origin":3206,"position":5},"title":"1990 Miata with a Turbo Honda K24","author":"swaptastic","date":"January 30, 2024","format":false,"excerpt":"This 1990 Mazda Miata is for sale on Bring a Trailer located in Gilbert, Arizona. The car is powered by a turbocharged 2.4 L Honda K24Z3 inline-four. The motor features a 7163 turbocharger, Karcepts fuel rail, Mishimoto aluminum radiator, Type S-style oil pan, and K-Pro ECU. It produces 425 hp\u2026","rel":"","context":"In &quot;Miata&quot;","block_context":{"text":"Miata","link":"https:\/\/engineswapdepot.com\/?cat=41"},"img":{"alt_text":"1990 Miata with a turbo Honda K24 inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/01\/1990-Miata-with-a-Turbo-Honda-K24-01.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/01\/1990-Miata-with-a-Turbo-Honda-K24-01.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/01\/1990-Miata-with-a-Turbo-Honda-K24-01.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/01\/1990-Miata-with-a-Turbo-Honda-K24-01.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/01\/1990-Miata-with-a-Turbo-Honda-K24-01.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/3206","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3206"}],"version-history":[{"count":0,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/3206\/revisions"}],"wp:attachment":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}