Quote:
Originally Posted by Porsche
That is correct in a NORMAL setup, a setup employing either a properly functioning front/rear brake proportioning valve, or an EBD computerized system. (Electronic Brakeforce Distribution).
Doing the pedal dance creates an ABNORMAL setup; the EBD is now disabled. The EBD was there for a good reason. It was to create the stable balance you describe as true of "any front engine car."
But, we've just turned it OFF. Your description may no longer be applicable.
That changes things. There could be unintended consequences if the rear brakes are now getting the same hydraulic pressure as the front brakes. Due to weight transfer under heavy braking, the fronts can tolerate a great deal more braking pressure before locking up than can the lightly loaded rears.
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Are we sure there's no integral/internal prop valve? The front brakes will have more torque just due to the rotor size and piston area, but you have a point...I'm just not sure how applicable it is. EBFD is just another safety oriented driver aid; it brakes better and with more precision than an unskilled driver could ever hope to.
Mike, if you're lifting rears a lot... have you considered different (sprung stiffer with firmer rebound) shock tuning and removing the rear anti-roll bar?