My first question is the car a true "SPRINT" or just a base OHC 6 that was turned into a sprint? If you have a true sprint then doing so is IMO foolish.
The list above is a start but remember if the ol' gal is a true OHC model then she may develop complications from the transplant
If she's real DON'T DO IT! but if you must then save/preserve everything if possible.
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When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car.