The GM LS1 and LS2 are the successors of Chevy's small block V8 engine. While they share a lot in common, there are some small but significant differences.

The adapters needed to install the new LS-style engine into a second-generation Camaro or Firebird are available from Clas-sic Chevy or direct from ATS. They work with reversed original '70-'73 ...