1)Open GTA3.img and replace police.dff and txd with the ones you downloaded


2)Replace the Handling line with this:

POLICE 1700.0 1.9 4.9 1.4 0.0 0.0 0.0 75 0.85 0.80 0.48 5 180.0 20.0 R P 10.0 0.52 0 30.0 2.6 0.1 0.2 0.7 20000 0.27 -0.12 0.4 8002 0 1


3)Then replace the default.ide line with this

116, 	police, 	police, 	car, 	POLICE, 	POLICAR,		ignore,		1, 	7,	0,	164, 0.80


4) Open carcols.dat and replace Police line with this

police, 1,2

5)replace police.col inside vehicles.col file using col editor2