The Comet comes with 4 extras...
1- Regular (Convertible)
2- extra1 (Full Coupe)
3- extra2 (Soft Top)
4- extra3 (Targa #1 from the regular Comet)
5- extra4 (Targa #2)

Also comes with 2 versions...
1- Version without coustom wheels.
2- Version With Custom Wheels. (YOU HAVE TO INSTALL Dmagic1 WHEEL MOD IN ORDER TO WORK)

INSTALLATION...

1) open gta3.img and replace "comet.dff" "comet.txd" with the new one.

Some notes:

A) to make it simple download GGMM and go to "Installer" and go to "manual mod installer" then insert dff txd and col Link for GGMM: https://www.gtagarage.com/mods/show.php?id=434

B) or use modloader :P

YOU have many MANY choices to replace the dff and txd.

2) (FOR THE CUSTOM WHEELS VERSION) open default.ide and replace comet line with the new one:

NEW LINES:

210,	comet,		comet,		car, 	COMET,	 	COMET, 			null,	executive, 	10, 	6,	2ff0,		249, 0.7


4) Open carcols.dat and replace comet line with the new one:

NEW LINES:

comet, 1,70, 12,1, 2,1, 6,1, 4,70, 46,1, 53,1