2013 Red Bull RB9
Original model takes from F1 2013
Edit and convert to GTAIV by cjisntgay

Features:
HQ car & cockpit model
HQ mud texture
#1 Vettel & #2 Webber livery available(2 liveries in 1 .wtd file)
optional tires:hard dry(orange), medium dry(white), soft dry(yellow), super-soft dry(red), intermediate wet(green), full wet(blue)
(default soft dry tire)
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Known problems:
Niko can only enter the cockpit at right side,if anyone get any other problem with is mod, plz give me a feedback at:gta4-mods.com
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How to install:
First BACKUP all the stuff you want to edit or replace!
Then using SparkIV or OpenIV to open the archive "Grand Theft Auto IV\pc\models\cdimages\vehicles.img" and replace any 2 door cars you like(example:airtug)
Lastly browse Grand Theft Auto IV/common/data and open the following files with any notepad, replace the following lines for the car you replace.

HANDLING.DAT:
AIRTUG 642 0.8 85 0.0 -0.5 -0.5 0.5 7 0.78 20.0 360 1.0 0.65 1.0 30 2.0 2.2 14 0.12 0.47 3.5 2.5 2.5 0.07 -0.06 0.0 0.5 0.55 1.0 0.55 0.6 0.0 190000 400010 1004 1
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VEHICLES.IDE:
airtug,		airtug,		car,		AIRTUG,		PCJ,		VEH@STD,	VEH@STD_RI1_LO1,		1,	0,		0.215,	0.215		0,	2,	1.0	,0,	noboot+ext_conv+livery

PS:The PCJ value means the sound being used for the car, change the PCJ value to other game name value(e.g."SUPER" refers to Super GT)if you want to use other car sound.
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CARCOLS.DAT:(at car3 section)
airtug,	 69,0,0,
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Done, start the game and play hard!^^
