Installation:

1 A) Copy the files from the 'data' folder to the 'data' folder of your GTA (back up for any doubts)
1 B) If you ask to replace they give you 'yes' (copy and replace)
Those would be the vehicles changed (the ones that will use the gangs)

2 A) Copy the file GTASAsf5.b from the 'GTA San Andreas User Files' folder in your 'GTA San Andreas User Files'
This file is the game saved with the territories marked on the map

For this step make a backup of the file GTA3.IMG by the doubts
3 A) Open Alci's IMG Editor
3 B) Click File -> Open -> Search GTA San Andreas -> Models -> GTA3.IMG
3 C) Click on Action -> Import -> Select the files in the GTA3.IMG folder
3 D) Click File -> Save

YOU CAN ENJOY THE 'MOD'