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Race Info
-Disabling this option removes the read out including lap times race position and lap count information.

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**8**
CAR TUNING

You can modify the car configuration to improve performance and reduce lap times.

Toe In/Out
-This is the measure of the wheels when the steering wheel is set to straight. Most competitors put a lot of toe in on their right form wheel, to help turn better.

Wheel Offset
-This affects the distance between your wheel and the axle. The back right tire usually has a greater wheel offset than the other tire, for better turning.

Tire Pressure
-This will lower or higher the traction that your car gets. Low pressure gives you better grip and the opposite for high tire pressure. Low Pressure for wet tracks and High Pressure on dry tracks.

Wheel Size
-This affects the diameter of the wheels used.

Brake Strength
-Adjust the braking power can affect your driving.

Tire Compound
-This choice is a crucial aspect to understand if you are to succeed. Hard compound gives less grip while soft compound gives more traction. Hard compound but lasts longer while soft compound will wear quicker.

Steering Lock
-This defines what angle your wheels are at when you input device at full lock.

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**9**
Tuning

SUSPENSION
Bump Dampening
-This is the damping or slowing of the suspension as the wheel moves toward the car. Bump Dampening and rebound dampening are related and can be both adjusted to achieve a particular effect. After driving around a left corner, your car will normally be tilted with the left-hand side of the car further of the ground than the right. If you decrease the bump dampening of the left tires, then the car should return to its level position quicker.

Rebound Dampening
-This is the damping of the suspension as the wheel moves away from the car.
Check bump dampening for more information.

Spring Strength
-This controls the strength of the spring part of the suspension. A stiffer spring will tend to sit higher and be less disturbed by bumps in the road. A stiffer spring will also cause a car to sit flatter during hard cornering and cause the car to react to bumps in the road more violently.

Travel
-This determines the length of the springs at full extension of the wheels.
This affects the height of your car and the position of the center of gravity.

DRIVE TRAIN
Gear Ratio and Final Drive
-Selecting a higher gear ratio will increase you acceleration, but decrease your to speed. Changing your gearing for each gear will only affect that gear. As a general rule you should use higher gear ratios on short tracks, lower gear ratios on long tracks. Changing the gearing for the final drive ratio will effect all gears.

++NOTE++
-You may not modify the gearing with the OEM gearbox. You will need to upgrade to a tunable gearbox before you can modify the ratios. High performance gearboxes can support higher revs without sustaining any damage.

CHASSIS TUNING
Weight Distribution
-This can greatly affect the vehicles handling. Placing more weight over the back than the front will cause the car to lean back harder when accelerating, and lean forward when decelerating. Greater weight on the back wheels will increase acceleration however decreasing weight form the front wheels will reduce steering control, making it harder to corner. For left turns put the weight on the left side of the car.

Car Upgrades
-All of upgrade components in DTR have several performance upgrade levels.
To get there go to Car Options, Shops, and Parts. Money is needed here.

CAR UPGRADES
Engine Specifications
-Here you can buy new and more powerful engines for your car.

Performance Upgrades
-Performance engine parts feature intake and outlet port grinding with polished head high compression pistons. This leads to and increased power output compared to stock engines.

Exhaust System
-Here you can buy larger exhaust piping and performance mufflers. This will give your engine more power by increasing the exhaust flow.

Carburetor
2 Barrel Carb-Factory carburetor for your particular make of car.

Performance 2-Barrel Carb-Flow modified carburetor to allow more gas and air into the engine.

4 Barrel Carb-Provides more gas and air than a 2 barrel carb.

Performance 4-Barrel Carb-Flow modified carburetor to allow a lot more gas and air into the engine.

Tire Compound
-The tire compound choice is a crucial aspect to understand if you are to succeed. Hard tire compound provides less grip than soft compound tires, but they are more resistant to wear. If the track is wet you want to use a softer compound tire to get maximum grip.

Tire Width
-If your tires are too thin, excessive wheel spin will result upon acceleration and lower traction levels will apply when sliding sideways.
Tire width should be upgraded when your car's engine is providing too much power to the rear end and the car is difficult to control when cornering under power.

Gearbox
-Standard Gearbox: This is the gearbox that the car came with and may not be adjusted.

-Tunable Gearbox: With this gearbox you can adjust your gear ratios.

-High Performance Gearbox: Its tunable, supports higher rev rates and has a higher resistance to damage.

Brakes
-Drum Brakes: These are the brakes that comes with the car

-Heavy Duty Drum Brakes: These brakes give increased braking power over stock Drum Brakes.

-Disc Brakes: Provide superior braking power.

Suspension
-Stock Suspension: The car starts out with this.

-Upgrade Suspension: Increase spring strength and higher resistance to wear.

-Race Suspension: Provides greatest spring strength and the highest stability while cornering.

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**10**
THE GROOVE

At the beginning of most events, a water truck will wet down the track. This makes the dirt or clay tacky and gives you good traction characteristics. As the cars race around the track, a groove is formed on the most common driving line. It is drier than the rest of the track. It is hard and slippery.

When the groove is developed, two other racing lines become competitive

1. The Cushion: The longest route, on the outside of the groove where tacky, looser dirt gives more traction. Less braking required with this strategy but there is the risk of running into the wall.

2. The Inside: Low on the inside of the track where again looser dirt gives more traction. This strategy protects against overtaking but drivers must brake hard and if they get it wrong, you can slide out onto the groove and loose time.

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**11**
Credits
Thanks To:

Book-Car tuning Tricks
Internet-Misc. Stuff
Me-Writing This

Thank You

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