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Suspension & Brakes Vehicle handling and stopping power.

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  #21 (permalink)  
Old Wed., Dec 12, 2007
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not sure how true this is but the dealer i talked to about it said the sysem would see where the weight was inside the vehicle. like just front seats or rear passengers over the rear axle, and adjust the breaks acordingly. so there should be a sensor of some sort that i would think you could trick into balancing breaking bias. getting the right balance may be the trick tho
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  #22 (permalink)  
Old Wed., Dec 12, 2007
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my 08 had 23 miles on it didn't notice any braking issues i was pleasantly surprised at how smooth and evenly they brake at high speeds maybe 23 miles was enough to break them in.
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  #23 (permalink)  
Old Wed., Dec 12, 2007
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it doesn't take much at all .. just do it nice and easy
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Old Sun., Dec 16, 2007
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The Dealer was talking about the aforementioned EBFD system. It does not calculate differential weights (he is confused about the weight sensor in the passenger front seat to determine its airbag deployment activation) in the car. It determines brake bias by measuring the slip at each wheel and calculating that against vehicle speed. The Skid Control ECU is completely separate from the ECM with one exception. The Skid Control ECU provides the speed signal to the combination meter for the speedometer. The ECM taps into this signal at the meter via a transistor. This maybe why the Greddy Ultimate and other piggybacks can't override the the 128MPH speed limitation.

We all know that the ECM is encrypted, but what of the Skid Control ECU? You can communicate with it via the TC pin on the DL3 (diagnostics port) plug. It would take someone with an intricate knowledge of these systems and ability to code a new program. If that were possible, it woul make tuning your brakes for track us phenominal.
brake-question-brake-control.jpg

brake-question-brake-speed-sensor.jpg
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Last edited by navylife59 : Sun., Dec 16, 2007 at 02:27 PM.
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