This is the setup problem guide. With this tool, you can solve the specific issues you currently experience with your car’s behavior.

Category

What kind of problems do you experience?

UNDERSTEER ISSUES

If you experience understeer try one of the following changes with small steps to get a more neutral handling of the car.

  • Reduce the front tyre pressure
  • Soften the front springs or anti-roll bar
  • Use softer front tyres
  • Increase the front downforce
If this does not solve the problem continue on the next steps. When does the understeer apply?

OVERSTEER ISSUES

If you experience oversteer try one of the following changes with small steps to get a more neutral handling of the car.

  • Reducing the rear tyre pressure
  • Softening rear springs or anti-roll bar
  • Use softer rear tyres
  • Increase rear down-force (if aerodynamics fitted)
If this does not solve the problem continue on the next steps. When does the oversteer apply?

CORNER ENTRY UNDERSTEER

At what speed do you experience the understeer?

MID CORNER UNDERSTEER

Does the front roll excessively?

CORNER EXIT UNDERSTEER

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.


  • Increase front rebound

MEDIUM / LOW SPEED UNDERSTEER

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.

  • Increase castor angle
  • Increase front toe-out
  • Reduce front ride heigt

HIGH SPEED UNDERSTEER

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.

  • Reduce front ride height
  • Reduce rear wing or increase front wing

BODY ROLL

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.

  • Stiffen the front roll bar
  • Increase front compression damping (bump)
  • Increase front spring rate

NO BODY ROLL

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.

  • Soften the front spring rate
  • Increase the front rebound damping
  • Reduce the front ride height
  • Soften the front anti-roll bar
  • Reduce the front compression damping (bump)
  • Increase the front wheel camber

MID CORNER OVERSTEER

At what speed do you experience the oversteer?

CORNER EXIT OVERSTEER

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Reduce the rear ride height

LOW / MEDIUM SPEED

Bottoming out occurs when the underbody of a car hits the track surface. For example; Formula 1 cars run low ride heights to keep the car's centre of gravity low and aid the creation of aerodynamic downforce.
Does the car bottom out?

HIGH SPEED

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Increase the read rebound

CAR BOTTOMS OUT

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Increase the rear spring rate

CAR DOES NOT BOTTOMS OUT

Body roll (or lean) happens when you turn into a corner. As your car begins to turn, its weight is thrown to the outside of the corner, causing your car to roll in that direction. Put simply, as you turn left you are thrown to the right and turning right throws you left.

Your wheels are in constant contact with the ground so always stay on the same level but your car’s body (and, by extension, the cabin in which you’re sitting) sit on top of springs attached (indirectly) to your wheels – allowing the car’s body to lean independently of the wheels.
Does the rear roll excessively?

BODY ROLL

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Stiffen the rear anti-roll bar
  • Increase the rear compression damping (bump)
  • Increase the rear spring rate

NO BODY ROLL

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Soften the rear spring rate
  • Soften the rear anti-roll bar
  • Redude the rear ride height
  • Increase rear compression damping (bump)
  • Decrease rear rebound
  • Increase front wheel camber

BRAKING ISSUES

A good braking technique is a compromise between the two following factors:

  • If you have locked your front wheels, you lose steering control
  • The point of maximum deceleration is just before the point of wheel lock
What kind of braking issues do you experience?

LOSS OF CONTROL

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Move the brake bias more forward
  • Decrease the front slow damper

FRONT TYRE LOCK

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Move the brake bias more backward
  • Increase ABS

CAR PITCHES

Pitch is a shift in your vehicle's weight forwards or backwards. When it happens, the weight is moving from one end of the vehicle to the other - from the back to the front or from the front to the back. When you brake, it causes a drop in the front end in your car and lifts the rear end.
  • Stiffen the front springs

NOSE HITS FLOOR

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Increase the ride height
  • Increase the bump stops
  • Stiffen the front springs

EXCESSIVE LOCKING

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Reduce the overall brake pressure

OTHER ISSUES

TYRES OVERHEAT

Measure the tyre pressure of the car on cold and hot conditions. It is common that a different tyre pressure is set to individual tyres. The goal is to achieve an equal tyre pressure on all 4 tyres.
At what part of the tyre overheat?

COLD TYRES

Measure the tyre pressure of the car on cold and hot conditions. It is common that a different tyre pressure is set to individual tyres. The goal is to achieve an equal tyre pressure on all 4 tyres.

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Decrease tyre pressures
  • Increase toe values

LOW TOP SPEED

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Reduce front/rear wing
  • Lengten gear ratios
  • Increase ride height or increase springs incase of car bottoms out

CAR FEELS EDGY DURING WEIGHT TRANSFER

Weight transfer accurs while braking, accelerating or turning a car can feel edgy. This happens as a result of the chassis twisting around the car’s roll centre.
When you accelerate the weight is moving backwards, when you brake the weight is moving forwards, turn left and the weight will move to the right.
At what moment does the car feels too edgy?

TYRES OVERHEAT ALL OVER

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Increase the overall tyres pressure
  • Decrease toe values


TYRES OVERHEAT ON THE INSIDE

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Reduce negative camber

TYRES OVERHEAT ON THE OUTSIDE

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Increase negative camber

CAR FEELS EDGY ON BRAKING

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Decrease the front slow dampers

TYRES OVERHEAT IN THE MIDDLE

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Reduce tyre pressures

CAR FEELS EDGY ON ACCELERATING

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Decrease the rear slow dampers

CAR FEELS EDGY ON TURNING

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Decrease the left or right slow damper settings

ON BUMPS / CURBS

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Decrease the fast damper settings

LIFT OFF OVERSTEER

Try one of the following steps to fix your problem. Adjust only one setting with small steps. Run a few laps to see if the problem is solved, otherwise adjust the setting slightly again or try the next setting in line.
  • Increase the diff coast
  • Increase the pre-load
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