used the 1963 Impala platform. In terms of the engine, Chevy started with its trusty 409 ci V8 'W Engine' and introduced a few enhancements to create a 427 cubic inch version that led to one of ...

Also in 1969, Chevrolet built two "ZL1" 427 Corvette coupes. The ZL1 engine was essentially an all-aluminum version of the L88, with the aluminum cylinder block and heads offering a tremendous ...