How To Fix Understeer and Oversteer in ACC

If you’re having trouble with understeer or oversteer in Assetto Corsa Competizione, don’t worry, you’re not alone.

In this post, we’re going to show you how to fix these issues and get your car handling like a pro.

So read on for tips and tricks that will have you cornering like a boss!​

First of all, let’s have a look at the basics.

What is Understeer?

Understeer is when you’re essentially trying to turn the car in the corner but it struggles to do so as it misses the front grip to rotate properly.

That’s very annoying as it means you’ll have to either slow down considerably or take a wider line through the corner to make it.

In this case, the only thing the driver can do is to use all the apex kerbs while driving and to making a more V-shaped line to limit the loss of tie in the exit.

Usually, most beginner drivers prefer having a slightly understeery balance as it usually makes the car more predictable and easier to drive.

What is Oversteer?

Oversteer is when your car starts to rotate more than you want it too. It’s often caused by a loss of rear grip, so the back end steps out and you have to catch it.

The loss of rear grip can often be caused by an overly aggressive front grip which essentially will ask the car want to turn more than the grip from the tires can handle.

When this happens, you’ll need to lift off the throttle and/or use opposite lock to catch it back and avoid spinning in the gravel.

How To Fix Understeer in ACC?

If you’re struggling with understeer, there are a few things you can do:

Tyre pressures

• Reduce front tyre pressure: This will increase the contact patch and therefore the front grip. It will also consequentially reduce the front rid eheight, therefore increasing the front mechanical grip.
• Increase rear tyre pressure: This will increase the contact patch and therefore the rear grip.

Anti-roll bars

• Decrease front anti-roll bar stiffness: This will make the car transfer weight to the front quicker and therefore increase front grip.
• Increase rear anti-roll bar stiffness: this will make the rear slighlty loser, therfore generating more rotation from the car at the apex.

Toe

• Increase front toe: This will make the car want to rotate more.
• Reduce Rear Toe: This will make the car want to rotate more on the rear.

Ride Heights

• Reduce front ride height: This will make the car transfer weight to the front quicker and therefore increase front grip.
• Increase rear ride height: This will make the car transfer weight to the rear quicker and therefore reduce rear grip.

Cambers

• Increase front cambers: This will make the front of the car more pointy, especially in the medium to high-speed corners.
• Reduce rear cambers: lower cambers on the rear make the car rotate more by reducing the rear grip, especially on the medium speed corners.

Aerodynamics

• Reduce rear wing: This will reduce the rear aero grip thus making the rear loser while giving you more speed down the straights.

As you can see, there are quite a few things you can do to fix understeer. But which one should you use?

It depends on the situation and how your car is handling. If you’re struggling in slow speed corners, you might want to increase the front toe or reduce the rear toe.

If you’re struggling with exit understeer, you might want to increase the rear anti-roll bar stiffness or reduce the front stiffness.

How To Fix Oversteer in ACC?

If you’re struggling with oversteer, there are a few things you can do:

Tyre pressures

• Increase front tyre pressure: This will reduce the contact patch and therefore reduce front grip. It will also consequentially increase the front ride height, hence reducing front grip.
• Decrease rear tyre pressure: This will increase the contact patch and therefore the rear grip.

Anti-roll bars

• Increase front anti-roll bar stiffness: This will make the car transfer weight to the front quicker and therefore reduce front grip.
• Decrease rear anti-roll bar stiffness: this will make the rear slightly softer, therefore generating less rotation from the car at the apex.

Toe

• Decrease front toe: This will make the car want to rotate less on the front.
• Increase Rear Toe: This will make the car want to slide less on the rear.

Ride Heights

• Increase front ride height: This will create less front load under braking and therefore reducing the oversteer.
• Decrease rear ride height: This will make the overall rake of the car lower, thus making the car more controllable and settled on the rear.

Cambers

• Decrease front cambers: This will make the front of the car less aggressive, especially in the medium to high-speed corners.
• Increase rear cambers: Higher cambers on the rear increase the rear grip thus reducing the oversteer, especially on the medium speed corners.

Aerodynamics

• Increase rear wing: This will add more rear aero grip, which will help to reduce oversteer. The only con is that it will reduce quite a lot the speed down the straights depending on how much you add.

As you can see, there are quite a few things you can do to fix oversteer. But which one should you use?

It depends on your oversteer severity and overall car settings. If you’re struggling with entry oversteer, you might want to increase the front anti-roll bar stiffness or reduce the rear anti-roll bar stiffness.

If you’re struggling with exit oversteer, you might want to make the rear of the car a bit softer and also consider reducing the caster.

General tips

So here were the main solutions to fix understeer and oversteer in Assetto Corsa Competizione.

Having said that, there are a few general tips that can help you with your car set-up:

1. Always start with the basics

When you’re starting to set up your car, it’s important to always start with the basics.

This means making sure that your tyre pressures are correct, your ride height is correct and your camber is correct.

Once you’ve got these things sorted, you can then tweak the other settings to try and improve the car’s performance.

2. Don’t make too many changes at once

It’s important to remember that you should only make one change at a time when you’re setting up your car.

This is because it can be difficult to tell what effect each individual change has on the car’s performance.

If you make too many changes at once, you might end up undoing all of your good work!

3. Always test your changes

Once you’ve made a change to your car’s set-up, it’s important to go out and test it to see how it affects the car’s performance.

This way, you’ll be able to tell whether or not the change was a good one.

4. Keep a log of your changes

It can be helpful to keep a log of all the changes you make to your car’s setup.

This way, you’ll be able to look back and see what worked well and what didn’t work so well.

5. Get help from PRO drivers

If you’re struggling to get your car’s setup right, it might be a good idea to get some tips from pro drivers or even consider using the setups they’re selling.

By doing so you’ll be able to learn from their experience and hopefully find a setup that works well for you.

There you have it, those were the main solutions to fix understeer and oversteer in Assetto Corsa Competizione. If you have any other tips or tricks, be sure to let us know! 🙂

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