There was a black/black one of those in Garden Grove, Ca....in 1979/80 time frame...the original engine was sitting on a stand and another 6-71 blown hemi was in the car!
The owner of the car was a BIG guy....and the Charger sat at Ray Alley's Engine Masters...in Garden Grove....yes, that Ray Alley (that was Kenny Berstein's Crew Chief...among other things...)
like this: