Installing the wheels:
1: Make a backup of the "default.ide" file in your "data" folder
2: Open the file "default.ide" and change the Deluxo-line to that:

211,	deluxo,	        deluxo, 	car,	DELUXO,	        DELUXO,	                null,	ignore,	        10,	6,	2ff0,	249,	0.72

Installing the COL file:
1: Make a backup of the file "vehicles.col" in your GTA Vice City Directory then find the folder "models," then open it, then find the "coll" folder, and open it 
2: Open the COL editor
3: Open the "vehicles.col" file in the "coll" folder in the "models" folder
4: Replace the exsisting Deluxo COL file with the one in this .zip

Installing the Car name:
1: Make a backup of the file "american.gxt" in your "TEXT" folder of your GTA Vice City Directory.
2: Open the GXT editor
3: Open the "american.gxt" file in the "TEXT" folder of the GTA Vice City Directory.
4: In the file, in "main" search and rename the line that says "Deluxo" to "DeLorean," or "DMC-12," "1981 DeLorean," or "De Lorean" then save the "american.gxt" file