Early cable versions opened up the Super 35 frame, which is responsible for a mistake when the "spirit" of JoJo walks to the limo. From the back, he is naked, but from the front, you can see Richard Pryor is only bare chested, wearing jeans.
A 1980's Lincoln Town Car appears twice during the "Young Jojo" sequence: Over Young Jojo's shoulder during closeups when he looks back at "Older Jojo" sitting at the corner store, and then again briefly parked in front of the family house a few minutes later when he returns home and is chastised by his grandmother for playing on the lawn.