I like the older ones better... Aircooled - it's the only way to go... Apparently Porsche likes the older technology better too - Turbo and GT2 and GT3 engines are all based on the 964 block - early 90's technology! The low hp engines are based on the 996 (newer) water pumpers.
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"If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough horsepower"
-Mark Donohue