Eli5: why are car engines never an even number? E.g a 3L engine is always 2967, a 2L is 1984 etc.. why???
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The 3L figure is just rounded for the sake of convenience. No one designs an engine to be exactly 3000 cubic centimeters, and even if they did, they might later on increase the stroke or the bore and it would no longer be 3000 ccs, it might be 3180 ccs, and you’d call it a 3.2 liter.
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