Posted: February 2, 2017
If you’re even slightly into cars, automotive engineering, track days or motor racing – you’ll know that not all brake systems on cars are created equal. But there’s far more to good brake performance than your choice of discs and pads. In this article, we’re going to explore how you can get the very best out of your braking system if you’re off for a day at the track.
Having a safe and reliable car is paramount to your driving experience, whether you’re a newcomer to the track or a track day regular. If you’re not able to fully trust your braking system when you’re driving round a track, your confidence will be questioned every time you prepare for a corner resulting in a challenging, stressful and (most importantly) dangerous driving experience. Get your brakes serviced before every track day and ensure all components are in good order:
Your braking system is what determines literally, whether you live or die when you’re behind the wheel so show your brakes some love. Warm up laps are critical if you don’t want to stress your brake components. They also provide valuable learning and confidence building time. Failing to warm up effectively on your track day will lead to:
The reverse is true when finishing a session; allow the car to cool down at half speed for at least a lap. The discs and pads can glow red when up to temperature and you need to dissipate that heat with the air that rushes around, under and over the car on your cool down lap.
So you’ve had your brakes serviced, you’ve fitted some basic track day braking components and you’ve warmed the braking system up nicely. What else should you take into consideration?
Well, for a novice, that might be enough to give you a safe and enjoyable session on the track but as your speed builds, you may need to consider a performance based brake pad as well.
The organic materials used to create brake pads are more aggressive in a track pad when compared to its road-based counterpart. In performance pads, the metallic (and sometimes carbon ceramic) elements are designed to accept the higher temperatures generated when circuit driving. That means you’ll get the optimum braking performance for longer and an extended lifespan when compared to an ordinary road brake pad.
With performance-based pads, there’s a wide range of choice and price points to consider.
Carbon/Ceramic content will raise the price considerably, offering longer life and improved braking for the life of the pad when compared to ordinary organic materials. The established brands offer excellent products. They work through a variety of heat ranges and have differing characteristics so it’s important to choose a pad that’s fit for purpose.
Light cars vs heavy cars. Sprint racing vs endurance racing. Track day vs race day. Each one puts different loads and different pressures on the braking system and you’ll need to find pads with specific compounds to match these unique requirements if you want to truly optimise your braking system.
Do your research to ensure you have the right pad for the job. The feel and feedback will vary from one manufacturer to another. If you favour trail braking, for example, there are pads that are designed and formulated specifically to aid that technique.
Once you’ve fitted your performance pads, they will require a period of bedding in. In effect, you need to transfer the new pad material onto the disc. With this layer of the brake pad material coated on to the disc, your brake pads will work effectively as they were designed to. Miss or ignore the bedding in process and your track day may be short lived.
Modern super cars are typically fitted with carbon brakes by the manufacturer and these will be more than adequate in their standard form to deal with the challenges of a track day. But I do have a word of advice for the unwary. A key property of carbon ceramic brakes is that they cool very quickly.
Even if you bring your brakes up to operating temperature over a session, it only takes a few corners getting held up behind a slower car for your brakes to cool below the optimum operating window. This can result in some heart-stopping moments the next time you go to brake at speed… and yes, I am speaking from experience so take the time to learn your car and your brake behaviour.
Here are a few more quick tips to help you get the most out of your braking system.
If you’ve enjoyed this article on brakes, why not delve deeper into the world of vehicle dynamics and how to optimise your car for track days? Find out how to improve every circuit mile you drive with our CAT publication 'Your Track Day Guide'. All proceeds from the book sales go to Mission Motorsport.
And obviously, don’t hesitate to contact us if would like to explore how we can help improve your driving skills on the track.
Call: 01234 757 633
Email: info@catdrivertraining.co.uk
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