Brake Bias & Glowing Discs

  • Thread starter Thread starter chrisr1984
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Front - 10
Rear - 5

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obviously the fronts should be hotter...no?
 
Fronts are bigger so need more heat to get hot rears are smaller so get hot quicker.

Also as its a race car the fronts are probably carbon.
 
Incorrect. The front brakes may take more load on a car but thermal physics will have it's way. Cars are designed with more meat on the front brakes. If you ever do a brake job on a car, you will see for yourself. The front rotors are usually larger in diameter and thickness. Front rotors have larger air vents in the veins and thicker per side of veins. Rear rotors are usually thinner and smaller, many aren't even vented. To minimize brake fade, the fronts are designed to cool better and faster, since if the need arises, they are ready for the next stop.
 
Incorrect. The front brakes may take more load on a car but thermal physics will have it's way. Cars are designed with more meat on the front brakes. If you ever do a brake job on a car, you will see for yourself. The front rotors are usually larger in diameter and thickness. Front rotors have larger air vents in the veins and thicker per side of veins. Rear rotors are usually thinner and smaller, many aren't even vented. To minimize brake fade, the fronts are designed to cool better and faster, since if the need arises, they are ready for the next stop.

so whats going on here then?

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Front disks might be thicker and larger diameter but because they are doing most of the braking they still get red hot, remember they still have to get that hot to work efficiently. Fronts will always glow before and brighter than the rears on a race car. Fact.
 
maybe dude was holding the brake and gas at same time and did a standing still burn out>? this would cause the rear to become hotter
 
maybe dude was holding the brake and gas at same time and did a standing still burn out>? this would cause the rear to become hotter

200mph to 50mph keeping the foot on accelerator then pressing brake.

edit: it did take about 5 attempts at this before the discs would glow.
 
Not to mention the front are designed to do more work since under braking the weight transfers to the front...the picture does look a bit iffy.....I've only gotten the front to glow at 5:5 setting before...
 
It's either he has brake balance more on the rear or he was doing a burnout but the front wheels should glow more because in reality the fronts get punished.
 
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