It can be done, but it won't be a simple swap. For one, the 85 has all mechanical systems, whereas the 05 will have electronic controls.
Electronic car.
A diesel mechanic performs preventative maintenance and repairs on diesel engines and vehicles. He or she might specialize by working with large trucks and buses, passenger vehicles, or heavy machinery such as bulldozers, cranes, and tractors. Diesel mechanics are valued for their expert knowledge of brake systems, transmissions, and electronic components unique to diesel powered vehicles.
It is electronic controled
The 5.7L Hemi and 5.9L diesel do have electronic throttle.
GAS OR DIESEL?
While stock diesel systems are very loud they are not the loudest type of exhaust you can get. To get an exhaust that is extremely loud you're going to need to go with the custom or bolt on route.
Electronic Unit Pump
Electronic diesel control,usually if you change first diesel filter the problem is out
By installing Diesel Oxidation Catalyst (DOC) on the exhaust systems.
if its electronic pump and injectors it will self bleed, if not electronic u need to drag it to get the diesel round the pipes, get someone to tow u round the block and bump it.
The education background of a diesel mechanic is a lot of schooling. One will have to learn air brakes, cooling systems, diesel motors, and power trains to become a diesel mechanic.