1-copy and paste carcols.dat in \Grand Theft Auto IV\GTAIV\common\data

2-open sparkIV 
	go to pc ->models ->cdimages 
	edit vehicles.img
	import:
	cabby.wtd
	noose.wtd
	nstockade.wtd
	police2.wtd
	polmav.wtd
	polpatriot.wtd
	predator.wtd
	