Engine porn is a strange fetish of machinery-minded sorts. We're not talking mechaphile action, here, just engines with as much, or more allure as the car it propels. What's the most beautiful engine of all time?

We're going with master engine builder Ryan Falconer's chromy, velocity-stacked V12. Falconer designed the 9.83 twelve-pot specifically for marine and aviation use. But since its introduction in 1990, it's shown up in high-end street rods and custom cars as well. Falconer V12s are built to order, and start at $65,000. Or you could buy eight of them, and make a giant mobile to decorate your blimp hanger.

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