It's so rare, in fact, that a Chevelle with this motor sold on Bring a Trailer for $101,000. To date, the LS6 is the highest-output engine that Chevrolet has ever produced. It was 7.4 liters of ...

the rarest production big-block V8 in the world is the Chevy L37. This 396 Turbo Jet V8 engine powered the 1965 Chevelle Z16 for a single model year, and only a handful were built by General ...