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This Corvette Gen III LS1 engine has 346 ci, 10:1 compression, and an aluminum block and heads. Although it looks entirely different than the first 265 small-block, this engine is still designed with the 4.40-inch bore spacing.
The Best Things Come In Small Packages -- The History Of -- Chevy High Performance Magazine

This Corvette Gen III LS1 engine has 346 ci, 10:1 compression, and an aluminum block and heads. Although it looks entirely different than the first 265 small-block, this engine is still designed with the 4.40-inch bore spacing.  View Related Article