Final answer:
It is true that replacing engines or shortblocks can necessitate additional parts to ensure compatibility with the vehicle's existing systems to match original engine requirements.
Step-by-step explanation:
It is true that replacement engines and shortblocks may require additional parts to be replaced to match the original engine requirements. When an engine or shortblock is replaced, it often requires new or different parts such as sensors, manifolds, or belts to ensure compatibility with the vehicle’s existing systems. This may be necessary to align with the original engine specifications and to maintain the performance and efficiency of the vehicle.