08/21/2026
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The Porsche 911 GT3 is a high-performance homologation model of the Porsche 911 sports car. It is a line of high-performance models, which began with the 1973 911 Carrera RS.The GT3 has had a successful racing career in the one-make national and regional Porsche Carrera Cup and GT3 Cup Challenge series, as well as the international Porsche Supercup supporting the FIA F1 World Championship.The engine of the 996 GT’s and Turbo set it apart from 996 Carrera models, as it shared nothing with the standard so-called “integrated dry sump” (eg. wet-sump) flat-six engine used in the water-cooled 996 Carrera engine introduced in MY1999. The 996 GT engine is naturally aspirated and based on.The Mezger” racing engine used in the 962 and 911 GT1 race cars. That engine was known as the ‘Mezger’ engine, after its designer Hans Mezger. The engine uses the original air-cooled 911’s versatile dry-sump crankcase, with an external oil reservoir. The 996 GT3 has 360 PS (265 kW; 355 hp), compared to the 300 PS (221 kW; 296 hp) of the standard 996.In GT3 configuration, this so-called “split” crankcase (meaning the parting line of crankcase is on the crankshaft centreline) uses, instead of a fan and finned cylinders, separate water jackets added onto each side of the crankcase to cool banks of three cylinders with water pumped through a radiator.
