{"id":4012,"date":"2014-07-08T17:22:28","date_gmt":"2014-07-08T21:22:28","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=4012"},"modified":"2014-07-08T17:22:28","modified_gmt":"2014-07-08T21:22:28","slug":"porsche-rumored-to-bring-back-the-flat-eight","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=4012","title":{"rendered":"Porsche Rumored To Bring Back The Flat-Eight"},"content":{"rendered":"<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=4013\" rel=\"attachment wp-att-4013\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"4013\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=4013\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/07\/1968_porche_907_flat_eight.jpg?fit=800%2C591&amp;ssl=1\" data-orig-size=\"800,591\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"1968_porche_907_flat_eight\" data-image-description=\"&lt;p&gt;Porsche 907 flat-eight engine&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/07\/1968_porche_907_flat_eight.jpg?fit=800%2C591&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/07\/1968_porche_907_flat_eight.jpg?resize=800%2C591&#038;ssl=1\" alt=\"1968_porche_907_flat_eight\" width=\"800\" height=\"591\" class=\"alignnone size-full wp-image-4013\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/07\/1968_porche_907_flat_eight.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/07\/1968_porche_907_flat_eight.jpg?resize=600%2C443&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/07\/1968_porche_907_flat_eight.jpg?resize=300%2C221&amp;ssl=1 300w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2014\/07\/1968_porche_907_flat_eight.jpg?resize=624%2C460&amp;ssl=1 624w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>Porsche is rumored to be powering the new 988 with a 4.0L flat-eight engine. Porsche engineers were quoted saying 4.2 liters is the upper limit of flat-six motors because the weight of some internals gets to be too much. The rumor also states the new engine is being tested with four turbos producing over 600 bhp. I don&#8217;t know where the rumors come from but I sure hope this one is correct. The last flat-eight was in the <a href=\"http:\/\/en.wikipedia.org\/wiki\/Porsche_908\">Porsche 908 race car<\/a>.<\/p>\n<p>Source: <a href=\"http:\/\/www.autocar.co.uk\/car-news\/new-cars\/porsche-working-new-ferrari-458-beating-supercar\">Autocar<\/a> via <a href=\"http:\/\/www.topspeed.com\/cars\/porsche\/2018-porsche-988-ar164260.html\">TopSpeed<\/a> and photo from Hemmings Blog<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Porsche is rumored to be powering the new 988 with a 4.0L flat-eight engine. Porsche engineers were quoted saying 4.2 liters is the upper limit of flat-six motors because the weight of some internals gets to be too much. The rumor also states the new engine is being tested with four turbos producing over 600&hellip;&nbsp;<a href=\"https:\/\/engineswapdepot.com\/?p=4012\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Porsche Rumored To Bring Back The Flat-Eight<\/span><\/a><\/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,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[54],"tags":[],"class_list":["post-4012","post","type-post","status-publish","format-standard","hentry","category-porsche"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":141943,"url":"https:\/\/engineswapdepot.com\/?p=141943","url_meta":{"origin":4012,"position":0},"title":"1977 Porsche 911 with a 3.8L 964 Flat-Six","author":"swaptastic","date":"December 8, 2025","format":false,"excerpt":"This 1977 Porsche 911 is powered by a Porsche 964 flat-six and five-speed manual transaxle. The air-cooled motor features Mahle 3.8 liter piston and cylinders, Pauter connecting rods, and GT3R engine oil pump. The heads use Elgin Industries 306\/288 custom-ground camshafts, RS intake and exhaust valves, Elgin Industries valve springs,\u2026","rel":"","context":"In &quot;911&quot;","block_context":{"text":"911","link":"https:\/\/engineswapdepot.com\/?cat=103"},"img":{"alt_text":"1977 Porsche 911 with a 3.8 L 964 flat-six","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/1977-Porsche-911-with-a-3.8-L-964-flat-six-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/1977-Porsche-911-with-a-3.8-L-964-flat-six-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/1977-Porsche-911-with-a-3.8-L-964-flat-six-01.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/1977-Porsche-911-with-a-3.8-L-964-flat-six-01.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/12\/1977-Porsche-911-with-a-3.8-L-964-flat-six-01.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":116082,"url":"https:\/\/engineswapdepot.com\/?p=116082","url_meta":{"origin":4012,"position":1},"title":"VW Beetle with a Porsche 356 Motor","author":"swaptastic","date":"May 29, 2024","format":false,"excerpt":"This Volkswagen \"Pretzel Beetle\" was built by Memminger in Reichertshofen, Germany. 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The motor is paired to a rebuilt manual transaxle with different gear\u2026","rel":"","context":"In &quot;Beetle&quot;","block_context":{"text":"Beetle","link":"https:\/\/engineswapdepot.com\/?cat=352"},"img":{"alt_text":"VW Beetle with a Porsche 356 flat-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/05\/VW-Beetle-with-a-Porsche-356-flat-four-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/05\/VW-Beetle-with-a-Porsche-356-flat-four-01.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/05\/VW-Beetle-with-a-Porsche-356-flat-four-01.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/05\/VW-Beetle-with-a-Porsche-356-flat-four-01.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/05\/VW-Beetle-with-a-Porsche-356-flat-four-01.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":113806,"url":"https:\/\/engineswapdepot.com\/?p=113806","url_meta":{"origin":4012,"position":2},"title":"Joey Seely&#8217;s Nasty Porsche 911","author":"swaptastic","date":"April 5, 2024","format":false,"excerpt":"Joey Seely's company E-Motion Engineering specializes in Porsche performance for the street and track. He also owns a 1985 Porsche 911 called \"Nasty\" that's been a 17-year quest for perfection. The project started as a Porsche Carrera 3.2. 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