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Porsche flat-6 engine Flat-6 engine in an older air-cooled 911. The Porsche flat-six engine series is a line of mechanically similar, naturally aspirated and sometimes turbocharged, flat-six boxer engines, produced by Porsche for almost 60 consecutive years, since 1963.
The engines were air-cooled until 1999, when Porsche started using water-cooled engines. [6] Other Porsche models that use flat-six engines are the 1970–1972 Porsche 914/6 , the 1986–1993 Porsche 959 (rear-engine), and the 1996–2021 Porsche Boxster/Cayman (mid-engine).
See Porsche 911. 901/05 boxer flat-six 901/02 on 1968 911S 911/ ... 140 kW (190 PS; 188 bhp) air-cooled, four-stroke flat-six (914/6 R, 914/6 GT) 1970–1972 2.3 L ...
The last flat-six-powered Porsche prototype was the Le Mans-winning 911 GT1-98. Since then, its prototypes have used V-4 and V-8 engines. Here's why.
Porsche's 914/6 variant featured the 2.0 L air-cooled Type 901/3 flat-six engine from the 1967–1969 911T model. This was the least powerful flat-six in Porsche's lineup. This engine had revised pistons that reduced the compression ratio to 8.6:1.
The Type 996 introduced in 1998 represented two major changes for the venerable 911 lineage: a water-cooled flat-6 engine replaced the popular air-cooled engine used in the 911 for 34 years and the body shell received its first major re-design. Changing to a water-cooled engine was controversial with Porsche traditionalists, who noted this as ...
By 1960, air-cooled [a] 1,494 cc DOHC flat-eight fuel-injected desmodromic Porsche 753 engine was in development for Formula One, Porsche 418 Master four cylinder 3.3L diesel [3] (48 hp (36 kW; 49 PS)) was added to the tractor range, and the 356 was starting to show its limits after a 10-year product life.
Porsche 959S in Stuttgart at the Retro Classics 2018. The Porsche 959 S was a 959 "Sport" with larger turbochargers that increased power output to 515 PS (379 kW; 508 hp) thus resulting in a top speed of 339 km/h (211 mph) as tested by Auto, Motor und Sport at the Nardò Ring in 1988. To save weight, air conditioning, central locking, electric ...