Offered from 1967 to 1969, the Z24 option package included a heavy-duty suspension and a 427-cubic-inch V8 rated at 385 ...

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 ...