How to install
1.Download GTAIV Weapons Editor (http://www.gtagaming.com/downloads/gta-iv/tools/4902)

2.Run GTAIV Weapons Editor, click "Load" and open file: WeaponsInfo.xml (with weapon Editor)

3.Open Grenade database and replace in Projectile: in "type" paste IMPACT

Psyhic:

In Force paste: "330.0" 
In Vehicle Velocity paste: "300.0" and click "Save". (error save? help: Click on "Save as" and Save on Desktop. Go to the Grand Theft Auto IV/common/data and paste WeaponsInfo.xml for Desktop(jumped out the window with the inscription "In this lokalisacji there is a file with the same name and three options:

1.Move and replace

2.Do not move

3.Move but keep both?

Select the first)

4. Play!!!

Author: MatiP


Contact: Email: mateuszek488@interia.pl