{"id":127447,"date":"2025-02-07T06:00:47","date_gmt":"2025-02-07T12:00:47","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=127447"},"modified":"2025-02-07T01:01:13","modified_gmt":"2025-02-07T07:01:13","slug":"1987-grand-national-with-a-twin-turbo-v8","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=127447","title":{"rendered":"1987 Grand National with a Twin-Turbo V8"},"content":{"rendered":"

\"1987<\/a><\/p>\n

Dutchboys Hotrods<\/a> built this 1987 Buick Grand National called “GNXS” for Angelo Vespi at their company in Vicksburg, Michigan. Under the hood sits a twin-turbo 427 ci (7.0L) LS7 V8 built by Mast Motorsports<\/a> capable of 1400 hp (1029 kW) thanks to a pair of Nelson Racing Engines mirror 7268 turbochargers and Holley Dominator ECU<\/a>. Behind that is a built 4L80 four-speed automatic transmission and GearFX 9-inch rear end. The powertrain is supported by a custom steel chassis with Detroit Speed’s X-Gen front suspension and Quadralink rear suspension. Helping control the four-digit power is a set of Baer Extreme+ six-piston calipers and 14-inch rotors. Those are covered by custom billet aluminum wheels built by Greening Auto Company<\/a> and designed by Jason Rushforth<\/a>. <\/p>\n

\"1987<\/a><\/p>\n

\"1987<\/a><\/p>\n

\"1987<\/a><\/p>\n

\"1987<\/a><\/p>\n

\"1987<\/a><\/p>\n

\"1987<\/a><\/p>\n

\"1987<\/a><\/p>\n

\"1987<\/a><\/p>\n

Source: Dutchboys Hotrods FB page<\/a> and Holley<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Dutchboys Hotrods built this 1987 Buick Grand National called “GNXS” for Angelo Vespi at their company in Vicksburg, Michigan. Under the hood sits a twin-turbo 427 ci (7.0L) LS7 V8 built by Mast Motorsports capable of 1400 hp (1029 kW) thanks to a pair of Nelson Racing Engines mirror 7268 turbochargers and Holley Dominator ECU.… Read More »1987 Grand National with a Twin-Turbo V8<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":127455,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"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":[134],"tags":[],"class_list":["post-127447","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grand-national"],"jetpack-related-posts":[{"id":103092,"url":"https:\/\/engineswapdepot.com\/?p=103092","url_meta":{"origin":127447,"position":0},"title":"1987 Buick Grand National with a 1500 hp Twin-Turbo 427 ci LSx V8","author":"swaptastic","date":"July 24, 2023","format":false,"excerpt":"Roadster Shop built this 1987 Buick Grand National to the limit thanks to a full 3D scan of the car. In the engine bay they installed a twin-turbo 427 ci LSx V8 built by Wegner Automotive capable of 1100 hp on 93 octane fuel or 1500 hp on E98 fuel.\u2026","rel":"","context":"In "Grand National"","block_context":{"text":"Grand National","link":"https:\/\/engineswapdepot.com\/?cat=134"},"img":{"alt_text":"1987 Buick Grand National with a Twin-Turbo 427 ci LSx V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/07\/1987-Buick-Grand-National-with-a-Twin-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/07\/1987-Buick-Grand-National-with-a-Twin-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/07\/1987-Buick-Grand-National-with-a-Twin-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/07\/1987-Buick-Grand-National-with-a-Twin-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/07\/1987-Buick-Grand-National-with-a-Twin-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":143928,"url":"https:\/\/engineswapdepot.com\/?p=143928","url_meta":{"origin":127447,"position":1},"title":"1987 Grand National with a Turbo 427 ci LSx","author":"swaptastic","date":"January 8, 2026","format":false,"excerpt":"The 1987 Buick Grand National originally came with a turbocharged 3.8 L V6. However this Grand National found on Bring a Trailer is powered by a turbocharged 427 ci LSx V8. The V8 motor features a Dart 427 ci LSX block, Frankenstein M311 heads, custom exhaust headers, Bullseye Power 88mm\u2026","rel":"","context":"In "Grand National"","block_context":{"text":"Grand National","link":"https:\/\/engineswapdepot.com\/?cat=134"},"img":{"alt_text":"1987 Buick Grand National with a Turbo 427 ci LSx V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/01\/1987-Buick-Grand-National-with-a-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/01\/1987-Buick-Grand-National-with-a-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/01\/1987-Buick-Grand-National-with-a-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/01\/1987-Buick-Grand-National-with-a-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/01\/1987-Buick-Grand-National-with-a-Turbo-427-ci-LSx-V8-01.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":152602,"url":"https:\/\/engineswapdepot.com\/?p=152602","url_meta":{"origin":127447,"position":2},"title":"Carroll Shelby’s 1987 Pantera GT5-S with a Twin-Turbo Chrysler V8","author":"swaptastic","date":"August 28, 2026","format":false,"excerpt":"This 1987 De Tomaso Pantera GT5-S has an amazing story. It would typically be powered by a 351 ci (5.7L) Ford V8. However this Pantera was built by Carroll Shelby. The story goes Carroll was working with Lee Iacocca to create a secret prototype. 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The company swapped the factory turbocharged 3.0 L N55B30 inline-six for a twin-turbo 4.4 L S63B44T2 V8 from a BMW X6 M (F86). 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Plenty of power for most but someone wanted more. In the engine bay now is a turbocharged 7.0 L V8 built by Better Built Performance. 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