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		                Gran Turismo 4

			         Tuning Guide

                                   by k-wix

                                 Version 1.15



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                               Version History

1.15 - Updated 1.15 Release
         - Updated Introduction info.
         - Added a note to read through the intro info.
         - READ through the introduction first. Thanks.
         - READ through the introduction first. Thanks.
         - READ through the introduction first. Thanks.
         - Updated 'Pure Speed' Build with the FGS. (final gear setting)
         - Added some Rally Preset tips.
         - Tweaked Rally Preset for Braking Oversteer.
         - Fixed a Minor misprint on the Final Gear Setting.
         - Added a High Turning Preset. Hooray!

1.00 - Updated 1.0 Release. 
         - Updated description text.
         - Updated/Added Suspension Tuning text.
         - Added Downforce. 
         - Added VCD.
         - Created a new #7 in the Introduction.
         - Modified a few tuning presets.
         - Created a Rally/Drift Tuning Preset. Enjoy!

0.90 - Initial 0.9 Guide Released. 
         - Positive Feedback occured. hooray.

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              --------------------------------------------------


Chapter 1: Introduction
       Introduction to the guide, and how the guide will explain things.

Chapter 2: Car Parts 
       A general overview of equipable parts and their functions.

Chapter 3: Car Tuning
       A listing of tweakable properties and what effects they produce.

Chapter 4: Car Tuning Presets
       A few pre-set tuning setups to apply to your favorite car so it
       performs better.

Chapter 5: Credits/Contact Info
	Self Explanitory



                    --------------------------------------
                                   Chapter 1             
                                 Introduction            
              --------------------------------------------------


	Hey there, this is a simple guide on how to tweak your car to 
maximize its performance in GT4. Back in the days of GT3 I wrote a tuning
presets FAQ which you can probably still find lingering around the internet.
Yes, i am Big D.  

	There will only be 3 major sections of the guide, 1 dealing with 
parts, 1 dealing with tuning the car specifically, and the last is a listing
of preset options to tune your car. Before we proceed any further, im going
to answer a few of the common questions you may have about the guide in
general.

                  (NOTE: PLEASE READ THIS BEFORE PROCEDING)
            (Double Note: This section was specifically designed to
            answer your common questions and i STILL am getting them,
            so please read this segment, especially #'s 5, 6, 7, and 8!)
                  
1 - The 'Tuning Presets' are simply that; they are not car-defining and are
not supposed to be, i encourage you to mix them up and find an optimal 
formula for yourself to use. 

2 - You need to go to a shop specific to your car in order to buy parts to
upgrade it - if you cant find a shop go to the makers of the car - as they
sell the upgrades for it aswell. 

3 - Once you buy a part and want to tune your car, you need to go to a track
first. Once you get to the 'preview' window before you race, you can go to
the 'Settings' Option to see the tuning screen. *NOTE: you may also do this
in your garage by hitting start, it will send you to the settings screen*

4 - If a part of your car isn't tunable, then you probably havent bought the
proper materials, the 4th chapter assumes you have all the required materials
to tune your car. Some cars can't be equipped with specific parts, and if
thats the case you will have to work around it.

5 - For Chapter 4, the Gear Ratio/Transmission Setup, if i say "+10" it 
means to push -> 10 times on the controller, and if i say "-10" it means to 
push <- 10 times on the controller. So Start from the 'default' setting and
then go down the line, tweaking.
 
6 - For Chapter 4, a lot of the Settings will be listed in % form, so you can
Optimally choose the correct amount because multiple cars will have different
settings. The Bar Below is an accurate display of where to set the bar.
       -----------------------------------------------------------
       |   10%                      50%                    90%   |
       -----------------------------------------------------------
So if i say Brake Balance (F)10% (R)50% then that means i want you to set
the front at left-side of the bar and the rear at the direct middle of the
bar. In GT4 there are 5 lines, use those to gauge, they go from 0%, 25%, 50%,
75%, 100%

7 - A LOT of players are having trouble understand 6, so let me list a few
Examples. If i say i want your ride height at 0%, and your ride height ranges
from 50 to 100, then i want you to set your Ride Height at 50 (the lowest!)
If i say 25%, then i want you to set your ride height at 62. If i say 100%
then i want you to set it at (you guessed it!) 100. This is simple math guys. 

8 - A NEW Setup entirely for determining the final gear ratio setting which
is determined by the Horse Power Of your car. So make sure you know how
powerful your car is before you tweak that setting. 1-100 means your cars
HP is between 1 and 100. and the % is where you should set the Final.





                    --------------------------------------
                                   Chapter 2
                                   Car Parts
              --------------------------------------------------


Okay, below is an outline of car parts and their specific effects on racing.
While the game does indeed tell you, some players might not understand. I
have marked the 'best' option with a *.


EXHAUST         -----------------------------------
   Sports - Almost not worth it, just go with Racing
   Semi-Racing - Almost not worth it, just go with Racing
   Racing - A Boost in engine performance, slight speed/accel boost *


DRIVETRAIN      -----------------------------------
   Transmission
      Close - More Acceleration, a bit less top speed
      Super-Close - Even more Accel, even less top speed
      Full Customize - Allows you to Tweak the Gear Ratio's yourself *
   
   Clutch
      Sports - Seems to enhance gear-switch performance 
      Twin-wheel - Generically better then a Sports
      Tripple-Plate - Best Option, has the most benefit. *

   Flywheel
      Sports - Also enhances gear-switch time. 
      Semi-Racing - A Step up from Sports
      Racing - And your best Option. Buy this one. *

   Limited Slip
      1-way - Improves accel/ - meant to help you come out of corners better
      1.5-way - Improves accel/decel - meant to help cornering
      2-way - Improves accel/decel fully - helps with cornering
      Full Customize - Allows you to tweak how the car turns. *

   AYC Controller - Lets you turn better at higher speeds. *

   Carbon Driveshaft - Less Weight - more Accel. *


TIRES           -----------------------------------
   Standard Tires (go with sports if possible)
      Economy - Avoid these if possible
      Comfort - Avoid these if possible
      Road - Your best option unless sports are allowed.

   Sports Tires (a lot of races only allow sports, but go racing if possible)
      Hard - Low Grip, but last the longest
      Medium - Medium Grip, last for a good 5 laps or so
      Soft - High Grip, but they will die quick, so youll have to pit often.

   Racing Tires (best option for tires, if permitted) *
      R1 - Basically, if Racing tires are allowed, you want to gauge this
      R2 - entirely by how many laps there are. If there are only 2-3 laps
      R3 - then go between R3 and R5, if there are a lot of laps, then go
      R4 - between R3 and R1.
      R5 - (read above)

   Dirt/Snow Tires - These let you race in dirt or Snow with your car.


BRAKES          -----------------------------------
   Racing Brakes - Lets you brake a bit faster, and retain more control. *

   Brake Controller - lets you tweak the balance between front and rear
                      braking. *


TURBO           -----------------------------------
   Turbine Kit - (as you go up the scale you get faster, but loose turning)
      S1 - Boosts speed and accel slightly (helps manueverability)
      S2 - Boosts speed and accel a bit more (a fine balance)
      S3 - Strong boost to speed and accel (geared toward peak power)
      S4 - Huge boost to speed and accel (High speed courses are recomended)

   Intercooler - Buy one if you have a Turbine Kit
      Sports - Makes the Turbine Kit perform even better
      Racing - Maximizes the Turbine Kits potential *

   Supercharger - Large boost to Acceleration Speed, especially in the 
                  low/mid range. *


ENGINE          -----------------------------------
   NA Tuning - One of the best ways to make your car just go a bit faster.
      S1 - Small Accel/Speed Boost.
      S2 - Accel/Speed Boost.
      S3 - Best Accel/Speed Boost. *

   Port Polish - Engine Care, slight HP Boost

   Engine Balancing - Engine Care, Slight HP Boost

   Displacement UP - Havent toyed with yet - supposedly increases Accel

   Racing Chip - Gears car for racing, best bang-for-buck HP boost.

   Nitrous - Hold R1 to use this while racing, Hooray for Nitrous! This will
             obviously boost your speed even when redlining.


SUSPENSION      -----------------------------------
   Suspension
      sports - Can modify some options.
      Semi-Racing - can modify more options.
      Full Customize - Can fully modify your suspension system. *


OTHER           -----------------------------------
   VCD Controller - Lets you modify how your car handles.

   Weight Reduction - Strips car down, making it lighter and thusly faster.
      S1 - Strips a car down some
      S2 - Strips a car down more
      S3 - Fully Modifies a car so its as light as possible. *

   Increase Rigidity - Increases Suspension, makes the car feel 'solid'

   Rigidity Refresher Plan - Good for used cars, makes the body like new.





                    --------------------------------------
                                   Chapter 3
                                  Car Tuning
              --------------------------------------------------


(*Note* - Many Settings have been updated)


DRIVETRAIN
   Transmission - Lets you modify the gear ratio's to tweak for high 
     acceleration or for high max-speed. This is one of the best things to
     play with for high performance vehicles. 

   Limited Slip
      Initial Torque - Increasing stabalizes your turning, decrease lets you
                       turn faster.
      Limited Slip Accel - Increasing this will let your car pull out of 
                           corners faster.
      Limited Slip Decel - Increasing this makes it harder for you turn. Dont


BRAKES
   Brake Controller
      Brake Balance - Set the rear high to create some spin while turning.
                      and set the front high to add more stability to your
                      turning. if they are set to the same #, the change is
                      minor.


TURBO 
   Nitrous
      Duration <-> Speed - Set this higher to get more of an initial boost.
      set lower to have it last longer throughout the race.


SUSPENSION
   Suspension
      Spring Rate - General tension of the springs in general.
      Ride Height - Allows modification of the chassis height.
      Shock Absorbers - Absorbs The Shock when hitting a bump, the returns
                        to normal, preventing speed loss/bouncing.
      Shock (Bound) - Deals with how tense the springs are, the less
                      bouncy/curvy the track is, the higher you want this.
      Shock (Rebound) - Deals with how tense the springs are, the less
                        bouncy/curvy the track is, the higher you want this.
      Camber Angle - Tweaks how far the wheel is from the car
      Toe Angle - Tweaks the angle of the wheel. 
      Stabalizers - Acts as a helper in stabalizing the car in turns.


OTHER 
   Driving Aids
      ASM (Over) - The higher the value, the more it prevents sliding, but
                   also makes it harder to steer
      ASM (Under) - The higher the value, the easier it is to turn the car,
                    but also makes it easier to spin-out.
      TCS Controller - The higher the value of the TCS, the more stable your
                       car, but it will accelerate less, and become sluggish.
                       A low value will make it spin more.
   Downforce
      Downforce - applies wind pressure that will stabilize/destabilize the
                  car at high-end speeds. 

   AYC Controller (havent played with yet)

   Variable Center Diff. - Distributes Power to seperate wheels changing the
                           behavior of the car (Usually for AWD)

   Weight Balance
      Ballast Weight - Tweaks the general weight of the ballast 
      Front/Rear Balance - Adjusts where the ballast is, setting this to a
                           negative level will make it easier to corner, but
                           more likely to spin out, and setting this to a
                           high level will have the opposite effect.




                    --------------------------------------
                                   Chapter 4
                               Car Tuning Presets
              --------------------------------------------------

'Pure Speed' Build
   -   for players who like to push their MPH to the limit. 

                     Front           Rear (If Appliable)
SPRING SETTINGS
Spring Rate:         75%             75%
Ride Height:         0%              0%      
Shock Bound:         60%             60%
Shock Rebound:       100%            100%
Camber Angle:        4.0             2.5
Toe Angle:           0.0             0.0
Stabilizers:         20%             20%

BRAKE SETTINGS       Front           Rear (If Appliable)
Brake Balance:       25%             25%

GEAR SETTINGS
Gear Ratio (Note: ALWAYS SET AUTO FIRST)
Auto: 100% 
1st: -20
2nd: -30 
3rd: -40 (If It Stops, its okay, leave it there)
4th: -40 (If It Stops, its okay, leave it there)
5th: -30 (If It Stops, its okay, leave it there)
6th: -30 
7th: -ALL

Final Gear Setting (Note: select the % based on YOUR cars Horse Power)
1-100   HP           50%
100-300 HP           45%
300-500 HP           40%
500-700 HP           35%
700+    HP           20-25%
(Special Note: if you car is exceedingly fast, as in, 1100+HP, then the
engine can probably handle an extremely low Final Gear Setting, between
5-10%)

Initial Torque:      10%

OTHER SETTINGS       Front           Rear (If Appliable)
Downforce:           75%             25%
ASM(Over):           50%
ASM(Under):          50%
TCS:                 30%
Nitro:               100%
Ballast Weight:      0%
Front/Rear Balance:  50%

OTHER NOTES
 - Make sure to take extra care when braking at hairpin turns, especially if
your travelling at high-end speeds.

 - If your speed is peaking out before you even hit the final gear, then your
engine isn't powerful enough to keep up with the gear settings, increase your
Final Gear Setting by 5-10% and you should be good.

 - Use your Nitro boost at the start of long straightaways to boost your
acceleration, once you get going let up and preserve it. 

 - This build suffers from acceleration problems, so avoid using it on tracks
with a lot of turns, where Acceleration is important. 

 - If you see a lot of sparks coming out of the bottom of your car constantly
(all the time) then increase your Ride Height by 5%





'Pure Acceleration' Build
   -   Hit the dirt a lot? me too. 

                     Front           Rear (If Appliable)
SPRING SETTINGS
Spring Rate:         75%             75%
Ride Height:         0%              0%      
Shock Bound:         60%             60%
Shock Rebound:       100%            100%
Camber Angle:        4.0             2.0
Toe Angle:           0.0             0.0
Stabilizers:         20%             20%

BRAKE SETTINGS       Front           Rear (If Appliable)
Brake Balance:       25%             25%

GEAR SETTINGS
Gear Ratio (Note: ALWAYS SET AUTO FIRST)
Auto: 25%
1st: +5
2nd: +10 
3rd: +15 
4th: +20 (If It Stops, its okay, leave it there)
5th: +25 (If It Stops, its okay, leave it there)
6th: +20 (If It Stops, its okay, leave it there)
7th: +15

Final Gear Setting (Note: select the % based on YOUR cars Horse Power)
1-100   HP           50%
100-300 HP           47%
300-500 HP           45%
500-700 HP           40%
700+    HP           30-35%

Initial Torque:      0%

OTHER SETTINGS       Front           Rear (If Appliable)
Downforce:           75%             25%
ASM(Over):           50%
ASM(Under):          50%
TCS:                 30%
Nitro:               100%
Ballast Weight:      0%
Front/Rear Balance:  50%

OTHER NOTES
 - This Build is excellent for not only taking turns, but accelerating out of 
them. you can really overtake cars using this method. 

 - Save your nitro's until you start reaching your speed cap, then use the 
nitro to push yourself further, covering up your weakness. 

 - If you see a lot of sparks coming out of the bottom of your car constantly
(all the time) then increase your Ride Height by 5%





'General Improvement' Build
   -   Simply Put, a good tuneup.

                     Front           Rear (If Appliable)
SPRING SETTINGS
Spring Rate:         75%             75%
Ride Height:         0%              0%      
Shock Bound:         60%             60%
Shock Rebound:       100%            100%
Camber Angle:        4.0             2.0
Toe Angle:           0.0             0.0
Stabilizers:         20%             20%

BRAKE SETTINGS       Front           Rear (If Appliable)
Brake Balance:       25%             25%

GEAR SETTINGS
Gear Ratio (Note: ALWAYS SET AUTO FIRST)
Auto: 50%
1st: +10
2nd: +5 
3rd: +0 
4th: +10 (If It Stops, its okay, leave it there)
5th: +20 (If It Stops, its okay, leave it there)
6th: +20 (If It Stops, its okay, leave it there)
7th: +15

Final Gear Setting (Note: select the % based on YOUR cars Horse Power)
Set this how you want, put it between 50% and 25%. Higher means more 
acceleration, lower means more top-end max speed.

Initial Torque:      5%

OTHER SETTINGS       Front           Rear (If Appliable)
Downforce:           75%             25%
ASM(Over):           50%
ASM(Under):          50%
TCS:                 30%
Nitro:               100%
Ballast Weight:      0%
Front/Rear Balance:  40%

OTHER NOTES
 - This build will help you turn a bit better, get a better startup, 
and even improve your max speed a little. 

 - There is a bit of emphasis on Oversteer so your car has a bit of a
'looser' feel and takes corners a bit better. 

 - If you see a lot of sparks coming out of the bottom of your car 
constantly (all the time) then increase your Ride Height by 5%





'Loosey Goosey' Build
   -   Slide *everywhere* 

                     Front           Rear (If Appliable)
SPRING SETTINGS
Spring Rate:         75%             75%
Ride Height:         0%              0%      
Shock Bound:         60%             60%
Shock Rebound:       100%            100%
Camber Angle:        4.5             2.5
Toe Angle:           0.0             0.0
Stabilizers:         20%             20%

BRAKE SETTINGS       Front           Rear (If Appliable)
Brake Balance:       25%             25%

GEAR SETTINGS
Gear Ratio (Note: ALWAYS SET AUTO FIRST)
Auto: 25%
1st: +5
2nd: +10 
3rd: +15 
4th: +20 (If It Stops, its okay, leave it there)
5th: +25 (If It Stops, its okay, leave it there)
6th: +20 (If It Stops, its okay, leave it there)
7th: +15

Final Gear Setting (Note: select the % based on YOUR cars Horse Power)
1-100   HP           50%
100-300 HP           47%
300-500 HP           45%
500-700 HP           40%
700+    HP           30-35%

Initial Torque:      0%

OTHER SETTINGS       Front           Rear (If Appliable)
Downforce:           75%             25%
ASM(Over):           0%
ASM(Under):          50%
TCS:                 20%
Nitro:               100%
Ballast Weight:      0%
Front/Rear Balance:  30%

OTHER NOTES
 - A Huge Emphasis on oversteer, your car will, for the most part have a 
bit of drift on street roads, this will kill your back tires, so consider 
equipping Harder ones. 

 - makes your car turn almost more like an arcade game, just takes a 
bit more skill to turn, its easy to spin out so take some time and learn 
what your specific vehicle can handle. 

 - The Gear setup is for acceleration, because you will be sliding a lot,
you want to whip through the lower gear section. 





'Rally Racing / Drift' Build
   -   For those Ugly Rally Races. 

                     Front           Rear (If Appliable)
SPRING SETTINGS
Spring Rate:         50%             25%
Ride Height:         5%              5%      
Shock Bound:         50%             50%
Shock Rebound:       60%             30%
Camber Angle:        4.0             2.0
Toe Angle:           0.0             0.0
Stabilizers:         30%             20%

BRAKE SETTINGS       Front           Rear (If Appliable)
Brake Balance:       50%             25%

GEAR SETTINGS
Gear Ratio (Note: ALWAYS SET AUTO FIRST)
Auto: 25%
1st: +5
2nd: +10 
3rd: +15 
4th: +25 (If It Stops, its okay, leave it there)
5th: +20 (If It Stops, its okay, leave it there)
6th: +10 (If It Stops, its okay, leave it there)
7th: +5

Final Gear Setting (Note: select the % based on YOUR cars Horse Power)
1-100   HP           50%
100-300 HP           47%
300-500 HP           45%
500-700 HP           40%
700+    HP           30-35%

Initial Torque:      0%

OTHER SETTINGS       Front           Rear (If Appliable)
Downforce:           50%             50%
ASM(Over):           25%
ASM(Under):          5%
TCS:                 30%
Nitro:               100%
Ballast Weight:      0%
Front/Rear Balance:  40%

OTHER NOTES
 - This is a very acceleration driven build, In Rally races you will
typically be all over the place so use the acceleration to your
advantage. 

 - The Car is geared for drifting with a very slight emphasis on
Oversteer, your springs are fairly loose so the dirt wont affect you
so much. 

 - If your having Trouble, Accelerate into those turns and pull hard
on the turn, you want to invoke oversteer, and as you start spinning,
turn the wheel the other way to 'hang-on' throughout the turn with
out spinning out.

 - This tuning style also has a 'rubberband' effect as far as turning
goes - Rally races have a lot of 'S' Style corners so you must turn
one direction and then another quickly, the build supports that style
of racing. 

 - USE THE HANDBRAKE while making very sharp turns to help pull your
rear out a bit more and finish that turn. Only begin handbraking AFTER
you've started the turn so it 'locks' your wheels in this position.

 - Be extra careful when taking rally turns at high speeds, it can be
dont but first and foremost you must learn to control your vehicle,
its absolutely critical to learn how to drift through turns, and slide
the rear end of your car out while turning, and THEN regain control
of the vehicle. 

 - If you spinout, sometimes you can go with it and do a complete
360' and recover almost perfectly (and look good doing it!)

 - I dont reccomend this tuning setting for non-rally races, but it
can be applied to snow-races aswell. It was initially created for
DIRT tracks, but the theory on snow is 'generally' the same. 

 - I was able to earn the Escudo with a LAND ROVER Range Stormer 
Concept '04, (Big Truck) with the Rover tuned to this setting. 
The Escudo is an extremely fast car that is earnable in one of the 
late Special Condition Hall Races. (Properly tuned, the Escudos front
end picks up like in the previous GT, not nearly as much though.)





'High Turning' Build
   -   If your having trouble on them corners. 

                     Front           Rear (If Appliable)
SPRING SETTINGS
Spring Rate:         40%             70%
Ride Height:         0%              0%      
Shock Bound:         60%             80%
Shock Rebound:       100%            100%
Camber Angle:        5.0             3.0
Toe Angle:           -2              +1
Stabilizers:         20%             30%

BRAKE SETTINGS       Front           Rear (If Appliable)
Brake Balance:       80%             50%

GEAR SETTINGS
Gear Ratio (Note: ALWAYS SET AUTO FIRST)
Auto: 25%
1st: +15
2nd: +20 
3rd: +30 (If It Stops, its okay, leave it there)
4th: +5 
5th: -5 
6th: -10 
7th: -10

Final Gear Setting (Note: select the % based on YOUR cars Horse Power)
1-100   HP           50%
100-300 HP           47%
300-500 HP           45%
500-700 HP           40%
700+    HP           30-35%

Initial Torque:      0%

OTHER SETTINGS       Front           Rear (If Appliable)
Downforce:           75%             25%
ASM(Over):           40%
ASM(Under):          40%
TCS:                 40%
Nitro:               100%
Ballast Weight:      0%
Front/Rear Balance:  50%

OTHER NOTES
 - This Build is excellent for not only taking turns, Remember the technique
Of 'easy in, hard out' so you brake early and accelerate out of them. 

 - A lot of the emphasis of handling is placed on the front of the vehicle,
so i might suggest equipping Stickier Tires on the front, and a bit looser
Tires on back.

 - Also, never forget that the Stickier the tire, the better this setup will
work for you, but its only for a limited time, and the stickier your tires
are, the lower that time-frame is. 

 - You can use Nitro's to help boost your acceleration out of a corner, this
is tremendously effective at overtaking other vehicles.

 - If you see a lot of sparks coming out of the bottom of your car constantly
(all the time) then increase your Ride Height by 5%





                    --------------------------------------
                                   Chapter 5             
                                 Contact/Credits           
              --------------------------------------------------

Note/Update: Ps2 is still dead, going over to friends to update the
guide :P 

All the information in the guide is copywritten to me, if you want to 
use it just drop me an email or contact me via AIM. Infact, there are 
3 ways of contacting me.

Your BEST option is to use the shoutbox on my website, ill respond to
that quickly usually. 2nd Option is Aim, i may or may not respond, im
not always around, and lastly, your 3rd option is Email. ill get back
to you eventually.

Shoutbox Address: http://70737.myshoutbox.com/
AIM Name: L kwix L
Email: k-wix@buckeye-express.com

Remember, If you have a simple question or critique, the best way to 
reach me is the shoutbox. 

The Guide is now at version 1.00, i will probably update it again.