An epic, two-year thread on the Home Model Engine Machinist boards documents Keith5700's astounding journey to scratch-build a working, 1/4 scale V8 engine. It's an insane read, as Mr 5700 discovers a lot of difficult things the hard way, while a community of teeny-thing machining enthusiasts cheer him on and offer advice, leading to triumph after triumph. The photos alone are worth clicking through all 35 screens (I've put some of the best after the jump).

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