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The large magnesium fan blows outside air into the shroud and over the cylinders. It is vented out the bottom hence the term air cooled. In theory it is only part true the majority of the cooling is done by the oiling system. The design has its flaws and is the reason why the early race cars moved the fan to the top aka flat fan engines. This gives more even distribution of air over the engine.
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Anthony PCA affiliate '77 member '83 '90 3.8 RS tribute, 91 C4 converted to C2,'93 964 C2, '93 928 GTS M '94 Turbo 3.6, '15 Boxster GTS M,16 GT4,23 Macan GTS,
Gone worth mentioning '71 E '79 SC, '79 built to '74 3.0 RS tribute (2390 # 270 hp), '80 928 euro 5 speed, '74 2.0l 914, '89 944 S2,'04 Cayenne TT '14 boxster, '14 Cayenne GTS 14 Cayman S, 18 Macan GTS many others
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10-07-2024, 11:38 PM
3.6 Turbo
GTS
C2
Track car
