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With a new Corvette being revealed at the Detroit auto show, here are past 'Vettes that are the most valuable today.
With an aluminum engine churning out over 500 horsepower, the ZL-1 was the most powerful version of the already strong L-88 Corvette. In fact, ZL-1s were the most powerful production Corvettes available until fairly recently. Only two are known to have been built that year.