FACTORY OPTIONS:
 TRIPLE BLACK
 365 HP MOTOR
 KNOCK OFF WHEELS
 SIDE PIPES
 POWER ANTENNA
MODIFICATIONS:
 COMPLETE NEW INTERIOR (LEATHER)
 INCLUDING NEW BACK CONVERTIBLE TOP
 ALUMINUM TRICK FLOW HEADS
 T5 TRANSMISSION (5 SPEED)
 EFT FUEL INJECTION
 67 STYLE 427 HOOD (also has the original hood painted to match)
 NEW BLACK PAINT
 RECHROMED BUMPERS
 VINTAGE AIR CONDITIONING

The engine casting date is showing D285 which decodes to April 28, 1965
The engine casting number shows 3782870 which decodes to a 62-67 produced 327 CI Chevrolet engine.
The partial VIN stamp on the block shows S117 which is the beginning of the original VIN - the rest of the VIN is not readable.
Based on this info it is believed this is the original numbers matching engine for this car.