Do-it-yourselfers have been slapping kit cars together in their basements since Sears and Roebuck were rugrats. Some kits mimic existing cars and others stake out new automotive territory, often in the car-design stratosphere. What's the all-time greatest kit car?

I have to go with the Beck 904. Sure, it's a replica, but the Porsche 904's rarity (read: you'll never have one, even if you win Powerball) negates any stigma from the Beck's fakeness. And sure, you can buy one already built, but when your hands finally grip the steering wheel, you'll look on all those knuckle scars as little, tissuey badges of honor.

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