{"id":43147,"date":"2025-11-13T09:40:08","date_gmt":"2025-11-13T08:40:08","guid":{"rendered":"https:\/\/www.italpassion.fr\/?p=43147"},"modified":"2025-11-13T09:40:08","modified_gmt":"2025-11-13T08:40:08","slug":"alfa-romeo-75-turbo-prototech-350-cv-con-motor-bialbero-equipado-con-una-pieza-mecanica-rara","status":"publish","type":"post","link":"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/","title":{"rendered":"Alfa Romeo 75 Turbo Prototech: \u00a1350 CV de un motor Bialbero con una rara pieza mec\u00e1nica!"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-75-protech.jpg\" alt=\"\" class=\"wp-image-43155\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-75-protech.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-75-protech-420x280.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-75-protech-768x512.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-75-protech-18x12.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>Prototech Rennfahrzeugbau, tuneador austriaco especializado en competici\u00f3n, vuelve a la actualidad con una interpretaci\u00f3n radical del Alfa Romeo 75 Turbo. \u00bfEl secreto de esta m\u00e1quina? La integraci\u00f3n de un motor anunciado como \"raro\", basado en una culata Autodelta de 16 v\u00e1lvulas, con una preparaci\u00f3n turbo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-protech-1.jpg\" alt=\"\" class=\"wp-image-43158\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-protech-1.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-protech-1-420x280.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-protech-1-768x512.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-protech-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Un motor muy especial de Autodelta<\/h2>\n\n\n\n<p>Autodelta, el brazo hist\u00f3rico de la competici\u00f3n\u00a0<a href=\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/\">Alfa Romeo<\/a>A finales de los a\u00f1os 70 y principios de los 80, trabaj\u00f3 en una versi\u00f3n de 16 v\u00e1lvulas del motor de aluminio de 4 cilindros Twin Cam, m\u00e1s conocido por su legendario nombre de Bialbero. Un motor vanguardista con una filosof\u00eda muy deportiva, inspirado en las carreras, pero que ya se hab\u00eda montado en coches de serie en los a\u00f1os 50. Para contrarrestar la competencia cada vez mayor de los motores Ford Cosworth y BMW en las carreras de turismos, Autodelta ide\u00f3 una versi\u00f3n de 16 v\u00e1lvulas. Los Alfa Romeo 75 de serie, incluida la variante Turbo Evoluzione, tuvieron que conformarse con motores de 8 v\u00e1lvulas por razones de coste. Por lo tanto, Autodelta fabric\u00f3 un n\u00famero limitado de culatas de 16 v\u00e1lvulas destinadas a la competici\u00f3n.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/bialbero-16-soupapes.jpg\" alt=\"\" class=\"wp-image-43156\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/bialbero-16-soupapes.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/bialbero-16-soupapes-420x280.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/bialbero-16-soupapes-768x512.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/bialbero-16-soupapes-18x12.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Revista fotogr\u00e1fica ruoteclassiche<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Piezas espec\u00edficas y raras<\/h2>\n\n\n\n<p>Los motores contaban con una amplia tapa de culata de competici\u00f3n, c\u00e1maras de combusti\u00f3n especiales \"pent-roof\" con buj\u00edas centrales para una combusti\u00f3n \u00f3ptima, conductos de admisi\u00f3n de alta velocidad, mayor caudal de aire y m\u00e1s revoluciones, hasta 8.500\/9.000 rpm.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-autodelta-16-soupapes.jpg\" alt=\"\" class=\"wp-image-43157\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-autodelta-16-soupapes.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-autodelta-16-soupapes-420x280.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-autodelta-16-soupapes-768x512.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-autodelta-16-soupapes-18x12.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">Foto smestas foro alfabb<\/figcaption><\/figure>\n\n\n\n<p>El car\u00e1cter precioso de estos motores Autodelta proced\u00eda tanto de su rareza como de su naturaleza artesanal y hecha a mano. Adem\u00e1s, el motor goza de una excelente reputaci\u00f3n: es ligero, fuerte, le gusta revolucionar y tiene unas caracter\u00edsticas que lo hacen ideal para la preparaci\u00f3n del turbo, gracias al buen control de las subidas de presi\u00f3n y temperatura.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Un Alfa Romeo Turbo Evoluzione listo para la competici\u00f3n<\/h2>\n\n\n\n<p>Prototech cuenta con un conjunto mec\u00e1nico construido en torno a una culata autodelta de 16 v\u00e1lvulas, complementado con un exhaustivo trabajo de optimizaci\u00f3n. El motor se basa en un Alfa Romeo 2.0L, reforzado y ampliamente modificado. Los equipos de Prototech revisaron y reforzaron los conductos, realizaron un mecanizado a medida de los soportes del \u00e1rbol de levas Evoluzione y llevaron a cabo una calibraci\u00f3n fina en el banco de potencia del motor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"1200\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-moteur-16v-900x1200.jpg\" alt=\"\" class=\"wp-image-43149\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-moteur-16v-scaled.jpg 900w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-moteur-16v-315x420.jpg 315w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-moteur-16v-768x1024.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-moteur-16v-9x12.jpg 9w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"1200\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-banc-desssai-900x1200.jpg\" alt=\"\" class=\"wp-image-43153\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-banc-desssai-scaled.jpg 900w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-banc-desssai-315x420.jpg 315w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-banc-desssai-768x1024.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-banc-desssai-9x12.jpg 9w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p>Se conserva el sobrealimentador espec\u00edfico del 75 Turbo, pero utilizado en una definici\u00f3n de carreras. Las cifras anunciadas por el taller son dignas de la ambici\u00f3n: 315 CV para la versi\u00f3n 2.0L 16V optimizada, y hasta 350 CV y 400 Nm de par en la configuraci\u00f3n bautizada \"Grupo A \/ Evo\". Suficiente para situar a este 75 entre las interpretaciones modernas m\u00e1s serias de la era dorada de los turismos sobrealimentados.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v.jpg\" alt=\"\" class=\"wp-image-43151\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-420x236.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-768x432.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-18x10.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-2.jpg\" alt=\"\" class=\"wp-image-43154\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-2.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-2-420x280.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-2-768x512.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/moteur-alfa-romeo-75-16v-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>La transmisi\u00f3n se conf\u00eda a una caja de cambios reforzada de tipo \"dog-box\" que permite cambiar de marcha casi instant\u00e1neamente, sin tener que utilizar el pedal del embrague desarrollado para hacer frente a altos niveles de par.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-transmission.jpg\" alt=\"\" class=\"wp-image-43152\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-transmission.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-transmission-420x236.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-transmission-768x432.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-transmission-18x10.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-dessous.jpg\" alt=\"\" class=\"wp-image-43150\" srcset=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-dessous.jpg 1200w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-dessous-420x236.jpg 420w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-dessous-768x432.jpg 768w, https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-romeo-75-dessous-18x10.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>Al final, esta creaci\u00f3n cumple varios requisitos poco comunes: el uso de un motor Autodelta de 16V, un nivel muy alto de preparaci\u00f3n del motor validado en el banco de pruebas y una filosof\u00eda de desarrollo orientada hacia el rendimiento puro. Aunque no puede presumir de la autenticidad hist\u00f3rica de un aut\u00e9ntico Grupo A de \u00e9poca, representa una de las interpretaciones contempor\u00e1neas m\u00e1s logradas del 75 Turbo.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"A bordo de un Alfa Romeo 75 Turbo Evoluzione de 1987 | Motor turbo de 4 cilindros y 1,8 l de 990 kg\/350 CV\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/Z-qHUd154Lg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"","protected":false},"author":8,"featured_media":43155,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[22],"tags":[511],"class_list":["post-43147","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alfa-romeo","tag-alfa-romeo-75","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Alfa Romeo 75 Turbo Prototech : 350 ch avec un moteur Bialbero dot\u00e9 d&#039;une pi\u00e8ce m\u00e9canique rare\u00a0! - ItalPassion<\/title>\n<meta name=\"description\" content=\"Prototech&nbsp;Rennfahrzeugbau,&nbsp;pr\u00e9parateur&nbsp;autrichien&nbsp;sp\u00e9cialis\u00e9&nbsp;dans&nbsp;la&nbsp;comp\u00e9tition,&nbsp;fait&nbsp;parler&nbsp;de&nbsp;lui\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-cv-con-motor-bialbero-equipado-con-una-pieza-mecanica-rara\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alfa Romeo 75 Turbo Prototech : 350 ch avec un moteur Bialbero dot\u00e9 d&#039;une pi\u00e8ce m\u00e9canique rare\u00a0! - ItalPassion\" \/>\n<meta property=\"og:description\" content=\"Prototech&nbsp;Rennfahrzeugbau,&nbsp;pr\u00e9parateur&nbsp;autrichien&nbsp;sp\u00e9cialis\u00e9&nbsp;dans&nbsp;la&nbsp;comp\u00e9tition,&nbsp;fait&nbsp;parler&nbsp;de&nbsp;lui\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-cv-con-motor-bialbero-equipado-con-una-pieza-mecanica-rara\/\" \/>\n<meta property=\"og:site_name\" content=\"ItalPassion\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/italpassion\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-13T08:40:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-75-protech.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nicolas Anderbegani\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@italpassion\" \/>\n<meta name=\"twitter:site\" content=\"@italpassion\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/\"},\"author\":{\"name\":\"Nicolas Anderbegani\",\"@id\":\"https:\/\/www.italpassion.fr\/es\/#\/schema\/person\/efd63d72fc8007741c5836a896805b04\"},\"headline\":\"Alfa Romeo 75 Turbo Prototech : 350 ch avec un moteur Bialbero dot\u00e9 d&rsquo;une pi\u00e8ce m\u00e9canique rare\u00a0!\",\"datePublished\":\"2025-11-13T08:40:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/\"},\"wordCount\":646,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\/\/www.italpassion.fr\/es\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.italpassion.fr\/wp-content\/uploads\/2025\/11\/alfa-75-protech.jpg\",\"keywords\":[\"Alfa Romeo 75\"],\"articleSection\":[\"Alfa Romeo\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/\",\"url\":\"https:\/\/www.italpassion.fr\/es\/alfa-romeo\/alfa-romeo-75-turbo-prototech-350-ch-avec-un-moteur-bialbero-dote-dune-piece-mecanique-rare\/\",\"name\":\"Alfa Romeo 75 Turbo Prototech : 350 ch avec un moteur Bialbero dot\u00e9 d'une pi\u00e8ce m\u00e9canique rare\u00a0! 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