Good info. The pads looked fine at the start of the day (by eyeball, about 50% of the pad was left). I'm swapping brakes on my track car (BMW M3) all of the time so I understand the concepts.
PSM was switched off (though I understand it is never really off, except in a GT2). As the Cayman understeers and given the track, I would have expected the other side to have been worn more (if front) or the rears as you suggested. Any other thoughts as to the significantly differential wear?
I would like to just replace the pads myself--at that time I can mic the rotor thickness (which I would think would still be fine) just to check. The problem would be if I have an issue (which would be a warranty thing) the P-car dealer (from my understanding of other posts here) will want to replace the pads and rotors (which gives me two things I don't want--new rotors and factory pads).
Thanks--Scott
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PSM - Porsche Stability Management
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While it can’t overcome the laws of physics, the revolutionary Porsche Stability Management (PSM) system does lend an added degree of balance and control to the Cayman’s mid-engine driving dynamics, inspiring surefooted confidence in corners and extreme situations.
A standard feature on the Cayman and Cayman S, PSM continuously monitors steering input, road speed, yaw velocity and lateral acceleration to calculate the actual direction of travel. If the car begins to steer off line, PSM instantly intervenes with precision brake inputs on individual wheels to help bring the car back onto the driver’s intended path.
If braking alone isn’t enough to correct the vehicle’s cornering line, PSM then calls on the Cayman’s engine management system, adjusting engine output as needed to help stabilize handling. PSM can also compensate in an instant for mid-corner changes in load resulting from deceleration or braking. When Sport mode is selected with the optional Sport Chrono Package, PSM’s threshold for intervention is raised, allowing for greater driver involvement. If you prefer driving without automatic PSM assistance, the system can be set to standby at any time. In this case, it will only intervene under heavy braking, where both front wheels exceed the ABS threshold.
For all of its technical ability, PSM goes virtually unnoticed in everyday driving situations, preserving the Cayman’s natural agility. |
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