The major variable which will affect your tyre temperatures is the weather condition. The ultimate temperature of your tyres will dictate how much the air in your tyres expands, in turn increasing or decreasing your tyre pressures. The main factor which will affect your tyre pressures is your tyre temperatures. What causes tyre pressures to change?Īs I touched on above, there are a whole host of variables which cause your tyre pressures to change throughout a race session. If you want to maximise your setup and your performance across a race weekend, your number one priority should be to run the correct and optimum tyre pressures. And not to forget, you will almost always have increased tyre wear when at the wrong pressures. You will almost always be losing lap time if your pressures aren’t correct. Lose pressure if your too far under inflated. You could burst a tyre if your extremely over inflated. If you are racing with incorrect tyre pressures, even if its only off by 1 PSI, you open yourself up to a few negative scenarios. How important are correct tyre pressures in Assetto Corsa Competizione? Extremely! In fact, ensuring you have the correct tyre pressures during every session is one of the quickest and easiest ways to gain lap time and preserve tyre life! In this case you should slightly over inflate your tyres to keep some temperature in them Why do you need correct tyre pressures? You can expect your tyres to start to cool down and lose tyre pressure. If the weather is flipped, and your racing on a dry track but rain is forecast or starting to fall. In this scenario setting up your car with slightly lower tyre pressures will help offset the increase in temperature. This in turn will increase your tyre pressures. You can expect your tyres to start to increase in temperature. If your racing on a wet track which is drying out. Typically, your best bet would be to look at the weather forecast and try to gauge whether your tyres will become hotter or colder in the upcoming weather. Especially if you are facing a change in the weather mid race. When racing in mixed conditions, it becomes much harder to judge the correct tyre pressures. You should look to over-inflate your tyres in wet conditions to try and keep heat and pressure in while racing on a colder track. So due to wet conditions making your tyres cooler, we have to change up our approach slightly when preparing for a wet race.
And typically air temperatures will be cooler in the rain. You will be driving through water which has a much lower temperature than a dry track. Wet conditions will always make your tyres colder than dry conditions. In this case you should look to over inflate your tyres before leaving the garage.
Your tyres may actually lose heat once you go out on track. If it’s a cold day, you may find the opposite happening. Giving them room to increase to the correct figures as you race. You should ultimately set your tyre pressures lower than the figures above if the weather is hot. This is because as they warm up, your tyres pressures increase.
You will find that when you drive out on track, your tyre pressures will increase as you drive. Not the tyre pressures that you should use in your setup! These are the pressures that you should be aiming for while racing. The above pressures are ideal for a dry day on track. Conclusion The perfect tyre pressures for Assetto Corsa Competizione Dry Conditions
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