{"id":12559,"date":"2016-11-02T18:53:37","date_gmt":"2016-11-02T22:53:37","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=12559"},"modified":"2016-11-02T18:53:37","modified_gmt":"2016-11-02T22:53:37","slug":"mercury-racings-7-0-l-dohc-lsx-engine","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=12559","title":{"rendered":"Mercury Racing’s 7.0 L DOHC LSx Engine"},"content":{"rendered":"

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

Mercury Racing debuted their new DOHC 32-valve SB4 7.0 L V8 crate engine at SEMA 2016. They used the technology developed from their 9.0 L QC4 engine platform<\/a> to develop this engine. The naturally aspirated motor produces 775 horsepower at 7,500 RPM on pump fuel. The DOHC LSx motor uses a custom Callies DragonSlayer crank designed by Mercury Racing, Carrillo H-Beam rods and Mahle pistons. The engine retails for $28,995.<\/p>\n

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

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

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

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

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

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

Full Motor Specs:
\n\n\n\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Transmission Rated Power<\/td>775 hp \/ 578 kW @ 7500 rpm<\/td>\n<\/tr>\n
RPM Limit<\/td>8000 rpm<\/td>\n<\/tr>\n
Configuration<\/td>V-8, 32-Valve Double Overhead Cam (DOHC)<\/td>\n<\/tr>\n
Valve Actuation<\/td>Shaft Mounted, End Pivot Finger Follower with Mechanical Lash Adjustment<\/td>\n<\/tr>\n
Displacement<\/td>428 ci \/ 7.0 L<\/td>\n<\/tr>\n
Bore<\/td>4.125 in \/ 104.775 mm<\/td>\n<\/tr>\n
Stroke<\/td>104.775 in \/ 101.60 mm<\/td>\n<\/tr>\n
Compression Ratio<\/td>11.7:1<\/td>\n<\/tr>\n
Induction System<\/td>Naturally Aspirated with Twin Electronic Throttle Bodies<\/td>\n<\/tr>\n
Fuel System<\/td>Sequential Port Fuel Injected (SPFI)<\/td>\n<\/tr>\n
Fuel<\/td>Unleaded 91 Octane (R + M\/2)<\/td>\n<\/tr>\n
Ignition System<\/td>Individual Coil on Plug, with Integrated Drivers<\/td>\n<\/tr>\n
Charging System<\/td>Fully Regulated Belt Driven - 165 Amp (2327 Watt)<\/td>\n<\/tr>\n
Controller<\/td>Mercury Racing PCM<\/td>\n<\/tr>\n
Cooling System<\/td>Water Cooled with 160-degree (71 C) Thermostat<\/td>\n<\/tr>\n
Lubrication System<\/td>Wet Sump w\/4th Gen Camaro LS1 Pan, GM High Volume Oil Pump<\/td>\n<\/tr>\n
Oil<\/td>Synthetic 10W-30 API Service Classification SL, SM, or SN<\/td>\n<\/tr>\n
Oil Capacity with Filter<\/td>7 qt \/ 6.6 L<\/td>\n<\/tr>\n
Transmission<\/td>Engine is Capable of Operating with Customer Supplied Manual or Automatic Transmission<\/td>\n<\/tr>\n
Length (From back of block to front of engine - crank pulley)<\/td>27.1 in \/ 688 mm<\/td>\n<\/tr>\n
Width (Across Timing Belt Cover)<\/td>30.25 in \/ 769 mm<\/td>\n<\/tr>\n
Width (Across Rear of Cylinder Headers)<\/td>29.1 in \/ 740 mm<\/td>\n<\/tr>\n
Height (From Crankshaft Centerline to Top of Throttle Body Motors)<\/td>17.1 in \/ 435 mm<\/td>\n<\/tr>\n
Weight (Without Accessory Drive)<\/td>498 lb \/ 226 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/p>\n

Source: Mercury Racing<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Mercury Racing debuted their new DOHC 32-valve SB4 7.0 L V8 crate engine at SEMA 2016. They used the technology developed from their 9.0 L QC4 engine platform to develop this engine. The naturally aspirated motor produces 775 horsepower at 7,500 RPM on pump fuel. The DOHC LSx motor uses a custom Callies DragonSlayer crank… Read More »Mercury Racing’s 7.0 L DOHC LSx Engine<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":12564,"comment_status":"open","ping_status":"closed","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,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[378],"tags":[],"class_list":["post-12559","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dohc-lsx"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2016\/11\/Mercury-Racing-32v-DOHC-7.0-L-LSx-V8-01.jpg?fit=1200%2C845&ssl=1","jetpack-related-posts":[{"id":16854,"url":"https:\/\/engineswapdepot.com\/?p=16854","url_meta":{"origin":12559,"position":0},"title":"Walk-Around Video of Mercury Racing’s DOHC LSx V8","author":"swaptastic","date":"June 28, 2017","format":false,"excerpt":"Will Courtney talked with Jason from Mercury Racing about their 7.0 L SB4 DOHC V8 crate motor. The engine is based off a LSx V8 and uses off-the-shelf parts that can be purchased from any number of companies. The engine produces 750 horsepower on 91 octane fuel with a 11.7:1\u2026","rel":"","context":"In "DOHC LSx"","block_context":{"text":"DOHC LSx","link":"https:\/\/engineswapdepot.com\/?cat=378"},"img":{"alt_text":"Mercury Racing 7.0 L SB4 DOHC LSx V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2017\/06\/Mercury-Racing-7.0-L-SB4-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2017\/06\/Mercury-Racing-7.0-L-SB4-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2017\/06\/Mercury-Racing-7.0-L-SB4-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2017\/06\/Mercury-Racing-7.0-L-SB4-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":132758,"url":"https:\/\/engineswapdepot.com\/?p=132758","url_meta":{"origin":12559,"position":1},"title":"1967 Camaro Powered by a 750 hp Mercury Racing DOHC 7.0L V8","author":"swaptastic","date":"June 5, 2025","format":false,"excerpt":"Roadster Shop built a special 1967 Camaro for owner Scott Rosenbach in 2019. What made the car so unique is the rare 7.0 L SB4 V8 built by Mercury Racing under the hood. This engine is a naturally aspirated LSx-based DOHC V8 capable of 750 hp (551 kW) at 8000\u2026","rel":"","context":"In "Camaro"","block_context":{"text":"Camaro","link":"https:\/\/engineswapdepot.com\/?cat=112"},"img":{"alt_text":"1967 Camaro with a Mercury Racing 7.0 L SB4 V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/06\/1967-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-12.jpg?fit=1200%2C801&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/06\/1967-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-12.jpg?fit=1200%2C801&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/06\/1967-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-12.jpg?fit=1200%2C801&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/06\/1967-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-12.jpg?fit=1200%2C801&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/06\/1967-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-12.jpg?fit=1200%2C801&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":13863,"url":"https:\/\/engineswapdepot.com\/?p=13863","url_meta":{"origin":12559,"position":2},"title":"Is GM Building a DOHC V8","author":"swaptastic","date":"December 29, 2016","format":false,"excerpt":"(photo of Mercury Racing DOHC V8 model) A document that was listed on GM services website (which has been taken down) showed all of the upcoming engines for 2018 vehicles. One of those lines showed a 6.2 L DOHC V8 designated for use in a Corvette with a name of\u2026","rel":"","context":"In "DOHC LSx"","block_context":{"text":"DOHC LSx","link":"https:\/\/engineswapdepot.com\/?cat=378"},"img":{"alt_text":"Mercury Racing DOHC LSx V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2016\/12\/Mercury-Racing-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2016\/12\/Mercury-Racing-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2016\/12\/Mercury-Racing-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2016\/12\/Mercury-Racing-DOHC-LSx-V8.jpg?fit=960%2C720&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4918,"url":"https:\/\/engineswapdepot.com\/?p=4918","url_meta":{"origin":12559,"position":3},"title":"Mercury Racing’s Four-Valve DOHC LSx Engine","author":"swaptastic","date":"November 10, 2014","format":false,"excerpt":"Mercury Racing recently debuted a new four-valve, DOHC V8 engine based on the LSx platform. The one they brought to SEMA 2014 was based on the 6.2L LS3 engine. The only modification to the block was replace the typical cam with a dummy one. But those heads are where the\u2026","rel":"","context":"In "Engines"","block_context":{"text":"Engines","link":"https:\/\/engineswapdepot.com\/?cat=16"},"img":{"alt_text":"Mercury Racing's four-valve DOHC LSx based small block V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/Mercury-Racing-4-valve-DOHC-LSx-motor-01-1024x682.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/Mercury-Racing-4-valve-DOHC-LSx-motor-01-1024x682.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/Mercury-Racing-4-valve-DOHC-LSx-motor-01-1024x682.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":4922,"url":"https:\/\/engineswapdepot.com\/?p=4922","url_meta":{"origin":12559,"position":4},"title":"1955 Chevy Nomad with a DOHC LSx V8","author":"swaptastic","date":"November 17, 2014","format":false,"excerpt":"Mercury Racing recently unveiled a four-valve DOHC V8 based on a LS3 V8. I wondered how long it would be before we saw one of these in a vehicle but we don't have to wait at all. Salvaggio Automotive Design has worked with Mercury Racing in the past and decided\u2026","rel":"","context":"In "Nomad"","block_context":{"text":"Nomad","link":"https:\/\/engineswapdepot.com\/?cat=238"},"img":{"alt_text":"1955 Chevy Nomad with a supercharge Mercury Racing 4v DOHC LSx V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/1955-Chevy-Nomad-with-Mercury-Racing-4v-DOHC-V8-01.jpg?fit=1200%2C797&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/1955-Chevy-Nomad-with-Mercury-Racing-4v-DOHC-V8-01.jpg?fit=1200%2C797&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/1955-Chevy-Nomad-with-Mercury-Racing-4v-DOHC-V8-01.jpg?fit=1200%2C797&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/1955-Chevy-Nomad-with-Mercury-Racing-4v-DOHC-V8-01.jpg?fit=1200%2C797&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/11\/1955-Chevy-Nomad-with-Mercury-Racing-4v-DOHC-V8-01.jpg?fit=1200%2C797&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":144898,"url":"https:\/\/engineswapdepot.com\/?p=144898","url_meta":{"origin":12559,"position":5},"title":"1969 Camaro with a 7.0 L SB4 V8","author":"swaptastic","date":"February 5, 2026","format":false,"excerpt":"Brett Schmeski and his company Mountain Home Street Rods (MHSR) built this 1969 Camaro RS\/SS called \"Mercury Rising\" and won 2021 Goodguys Street Machine of the Year. 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The LS7-based motor features custom DOHC heads\u2026","rel":"","context":"In "Camaro"","block_context":{"text":"Camaro","link":"https:\/\/engineswapdepot.com\/?cat=112"},"img":{"alt_text":"1969 Camaro with a Mercury Racing 7.0 L SB4 V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1969-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-01.jpg?fit=1200%2C768&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1969-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-01.jpg?fit=1200%2C768&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1969-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-01.jpg?fit=1200%2C768&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1969-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-01.jpg?fit=1200%2C768&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/02\/1969-Camaro-with-a-Mercury-Racing-7.0-L-SB4-V8-01.jpg?fit=1200%2C768&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/12559","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=12559"}],"version-history":[{"count":0,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/12559\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/media\/12564"}],"wp:attachment":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}