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brake proportion question...

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Old Sep 2, 2012 | 02:57 AM
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50/50 or 60/40 front to rear?

does it depend on the weight distribution?
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Old Sep 2, 2012 | 06:16 AM
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depends on the weight distribution.
if your car(don't know what kinda car you got) is a 4th gen f-body the weight distribution is like 58-42, so if you set it @50/50 you're rear brakes are going to lock all the time.

it's also dependent on what brakes you got...I'm assuming you got aftermarket brakes due to you actually having a proportioning valve so that needs to be taken into consideration as well.
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Old Sep 4, 2012 | 12:40 PM
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To my knowledge, there is no set standard formula for this that is easy to comprehend. It's not 50/50 either. It depends on weight distribution, tire size/compound, brake compound, overall braking torque output to each caliper, etc.

When we set up cars we start at a 90/10 or 80/20 bias and turn it up until there is lockup. The factory rears are hypersensitive and actually quite effective. At a lower bias it typically feels like the *** end wants to come around the front because it's trying to travel at a higher speed than the front - giving the car a loose feeling under braking. You'll need to really get some seat time and testing to dial it in and feel poised.

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Old Sep 4, 2012 | 10:19 PM
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Seat time and no it won't be 50/50 as already stated.
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