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Brakes are the most over thought upgrade made, wasting potential performance. On an average circuit you will spend from 15-25% of track distance whilst braking. Meaning at a maximum of 30% of your on track performance is down to your braking performance.
Table showing the braking power of the combination of brake parts
When contemplating on upgrading your brakes, there are a few things you must take into account.
Tyres will determine the peak of maximum braking performance. Exceeding the grip of the tyre will result in easy lock ups or excessive ABS activation. When on comfort or sport tyres, you may find the standard brakes or just upgraded brake pads will be grant sufficient braking performance.
Under heavy braking, the total amount of ABS activation can be used to gauge if you are exceeding the maximum available grip of the tyre. As a rule of thumb, you want to be able to lock all 4 wheels when braking from 60mph with no ABS. In this scenario with ABS, ABS activates from 0% to 15% at 100% brake pressure.
ABS activation is the red bar shown when braking. If 0% of brake pressure is activated when in a heavy braking zone, it can be a sign of the brakes not being strong enough. If the ABS is activated by more than 25%, then it can be a sign the brakes are too powerful for the grip available from the tyres.
Image showing the ABS activating under heavy braking within the 15% threshold
After building a few vehicles to the same Performance Point (PP) levels, you will start to notice a pattern. Once you hit a certain engine power threshold, a minimum of brake upgrades will be needed. if the vehicle is engine swapped, you will most likely need to equip a Sports System as standard. This will be because of the increased top speed potential at lower PP ranges. For standard engine vehicles you may find you will only need to upgrade to a Sports System once you hit above the 550 - 600bhp threshold.
There will be certain sections of track where it will be optimal to arrive at a corner at full throttle, and then only be given a set distance to brake to reach a safe entry speed for the following corner. (Shown below) having to brake for both of these corners on the Nürburgring Nordschleife are prime examples of being sure to have enough braking force to slow the vehicle down.
The base vehicle used for the following example is an my engine swapped Audi TTS Coupe '14, optimised for 700PP.
Specifications:
591BHP
1232KG
Brakes
Brake System: Normal
Brake Pads: Normal
Video showing examples of crucial braking zones on the Nürburgring Nordschleife, with only Normal brake upgrades
Video showing examples of crucial braking zones on the Nürburgring Nordschleife, with only Normal brake upgrades
Brake Upgrades
Brake System: Sports
Brake Pads: Racing
Video showing examples of crucial braking zones on the Nürburgring Nordschleife, with sufficient brake upgrades
Video showing examples of crucial braking zones on the Nürburgring Nordschleife, with sufficient brake upgrades
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