The Ford 289 Gurney Weslake engine That silenced Porsche скачать в хорошем качестве

The Ford 289 Gurney Weslake engine That silenced Porsche

Le Mans 1969 culminated in a final lap showdown, with the legendary Jacky Ickx battling for victory. The intense race showcased the prowess of race car engineering and the thrill of motorsport competition, solidifying the event's place in racing history. Relive the excitement of lemans iconic moment! Dan Gurney Weslake GT40 1968, was a radical and game-changing engine that shook up Le Mans and American racing-but its story is filled with technical drama, innovation, and unintended consequences. The Ford GT40, famed for its dominance at Le Mans from 1966 to 1969, underwent a crucial transformation by 1968 and 1969. Following new regulations that limited large engines, Ford's British partners at JW Automotive (Gulf Oil team) adapted the GT40 MkI with smaller, lighter, but highly advanced V8 power units fitted with Gurney-Weslake cylinder heads—a collaboration between American racing legend Dan Gurney and British engineer Harry Weslake. These modified engines were key to GT40’s final Le Mans wins in 1968 and 1969. Gurney Weslake Engine Dan gurney unstoppable eagle westlake GT 40 Le Mans 1968 Revolutionary Design: The Gurney-Weslake V8 took the original Ford 289ci (4.7L) block and added aluminium alloy cylinder heads, featuring superior airflow and combustion technology pioneered by Weslake. This design was far more efficient and powerful than Ford’s standard heads. Engineering Ingenuity: To further improve performance, the racing versions were stroked to 4.9L and built with high-compression pistons, Chevy rods (a surprising choice for durability and availability), and bespoke camshafts, driving the output to around 440 horsepower—extraordinary for the era and essential for endurance racing dominance. Corporate Struggle: Dan Gurney’s ambitions opened a rift. The advanced heads were crafted in England and assembled in the US, but Ford saw a threat in the aftermarket potential—Gurney wanted to sell the high-performance heads to the public so regular Mustangs and Falcons could be transformed into race-capable monsters. Ford executives, fearing loss of control and branding dilution, shut down sales, banned some engine variants, and ended public support, sparking rumors of corporate sabotage. Race Dominance & Legacy AMERICAN Car History, Season 1 Le Mans Most Epic Final Lap Chase Ever! 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The cars boasted lightweight construction alongside the Gurney-Weslake powerplant for an unbeatable combination of speed, reliability, and innovation. Original Gurney-Weslake heads are now rare, sought after by collectors and racers alike—finding authentic examples is extremely difficult. Their advanced technology helped reshape both racing and future engine designs. Why Was It Shocking? Suppression of Innovation: Ford actively prevented the mass adoption of Gurney-Weslake technology, fearing it could trigger a grassroots speed revolution. Engine “Ban”: Rumors persist that Ford quietly banned the Gurney-Weslake heads from broader use, fearing independent racers could challenge factory-backed teams, though they allowed JW Automotive to preserve the winning streak. Aftermarket Blocked: Gurney’s vision for “race engines for the people” was quashed, limiting the engines to factory-backed racing and ending any chance for street-legal supercars. 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