{"id":3119,"date":"2015-05-10T21:22:55","date_gmt":"2015-05-11T01:22:55","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=3119"},"modified":"2015-05-10T21:22:55","modified_gmt":"2015-05-11T01:22:55","slug":"building-a-k20-powered-miata","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=3119","title":{"rendered":"Building A K20 Powered Miata"},"content":{"rendered":"

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

949Racing is installing a Honda K20 engine into their project car and explaining everything as they go. The engine will be built by Hytech and produce an estimated 260 horsepower to the wheels. The engine will feature custom Hytech CP pistons, Carrillo H-beam rods, custom Hytech cams, ported heads, and be controlled by a Hondata K-Pro 4. A really nice thing the author did was tell how much the engine build cost and then compare it to other engine builds for reference.<\/p>\n

Not including a $1000 Kpro4, it looks like the core, build and a few ancillaries will cost around $8k for 260whp on pump gas. That same money including the $5k for Kmiata swap kit and Hondata, spent on a BP N\/A would net you about 190whp on pump gas and not last quite as long. 200whp if running ITB\u2019s. That same money ($13K) spent on a BP+Rotrex would net you about 370whp on pump gas and last about as long. 400whp if running race gas or E85. This last bit is not conjecture. We have a good customer that has way over 50 race hours on a 400whp BP build (race gas) that was built for a lot less than $13k. He made 440whp but it was undriveable on the big end and broke the driveline too often. At 400whp it was just the occasional halfshaft wearing out.<\/p><\/blockquote>\n

\"K20<\/a><\/p>\n

Source: MiataTurbo<\/a> (build thread)<\/p>\n","protected":false},"excerpt":{"rendered":"

949Racing is installing a Honda K20 engine into their project car and explaining everything as they go. The engine will be built by Hytech and produce an estimated 260 horsepower to the wheels. The engine will feature custom Hytech CP pistons, Carrillo H-beam rods, custom Hytech cams, ported heads, and be controlled by a Hondata… Read More »Building A K20 Powered Miata<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":6217,"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,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[41],"tags":[],"class_list":["post-3119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-miata"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/05\/Building-A-K20-Powered-Miata.jpg?fit=1024%2C768&ssl=1","jetpack-related-posts":[{"id":53803,"url":"https:\/\/engineswapdepot.com\/?p=53803","url_meta":{"origin":3119,"position":0},"title":"Miata with a 575 whp Turbo K20","author":"swaptastic","date":"March 24, 2020","format":false,"excerpt":"This 2001 Mazda Miata is owned and built by KMiata in Wauconda, Illinois. The engine bay holds a turbocharged K20Z1 inline-four making 575 horsepower and 410 lb-ft of torque to the wheels on 24 psi of boost and E85 fuel. The mostly stock engine features KMiata's intake and exhaust manifolds,\u2026","rel":"","context":"In "Miata"","block_context":{"text":"Miata","link":"https:\/\/engineswapdepot.com\/?cat=41"},"img":{"alt_text":"2001 Miata with a turbo K20 inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2020\/03\/2001-Miata-with-a-turbo-K20-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2020\/03\/2001-Miata-with-a-turbo-K20-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2020\/03\/2001-Miata-with-a-turbo-K20-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2020\/03\/2001-Miata-with-a-turbo-K20-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2020\/03\/2001-Miata-with-a-turbo-K20-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2832,"url":"https:\/\/engineswapdepot.com\/?p=2832","url_meta":{"origin":3119,"position":1},"title":"Honda K-Series Into Mazda Miata Swap Kit","author":"swaptastic","date":"April 16, 2015","format":false,"excerpt":"KMiata offers a swap kit to to install any K20 or K24 engine into a 1990-2005 Mazda Miata. The full kit costs $3,750 and comes with engine\/trans adapter plate, flywheel, subframe, engine mounts, baffled oil pan, Type-S oil pump adapter, wiring conversion harness, and install guide. Of course each item\u2026","rel":"","context":"In "Miata"","block_context":{"text":"Miata","link":"https:\/\/engineswapdepot.com\/?cat=41"},"img":{"alt_text":"KMitat's Mazda Miata test car with a Honda K24A2","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/04\/KMitat-Mazda-Miata-with-a-Honda-K24A2-01-1024x682.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/04\/KMitat-Mazda-Miata-with-a-Honda-K24A2-01-1024x682.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2015\/04\/KMitat-Mazda-Miata-with-a-Honda-K24A2-01-1024x682.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":17561,"url":"https:\/\/engineswapdepot.com\/?p=17561","url_meta":{"origin":3119,"position":2},"title":"2000 Insight with a K20 Inline-Four","author":"swaptastic","date":"August 15, 2017","format":false,"excerpt":"The first generation Honda Insight rolled out of the factory with a hybrid powertrain that produced a combined 80 horsepower thanks to a 1.0 L ECA1 inline-three and 10 kW electric motor. 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