* 4.9L (302 cu in) V8: This was the standard engine, offering decent power and fuel economy.
* 5.8L (351 cu in) V8: A more powerful option for those needing more towing capacity.
* 6.6L (400 cu in) V8: The largest gasoline engine offered, providing the most power and torque.
The specific engine in your 1983 F-250 will depend on the individual truck's configuration and original equipment. To be sure, you can check the VIN (Vehicle Identification Number) or look for an engine plate on the engine block itself.
