lift rear seat up,number should be stamped on the center hump/tunnel
The th350 tranny was not stock to the car, rather it was a 700r4. Either a new kickdown cable is needed for the conversion or adjustments made to the existing cable.
What motor? The term motor usually refers to an electric motor. The term engine usually refers to an internal compustion engine. Please restate your question with the model and size motor or engine you are referring to.