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The 632 cubic-inch big-block, the most powerful engine Chevy has ever built, is available among the automaker's ZZ crate engine lineup as the ZZ632/1000 DELUXE. Carrying Chevrolet part number ...

In its place is a 632-cubic inch (10.4-L) naturally aspirated Chevy big block crate motor rated for 1,004 horsepower right out of the box. It's the biggest crate motor Chevrolet has ever sold OEM ...