Quote:
Originally Posted by bigsur1997
I was going through stock WRX rotors about every 10K miles (50K on car prior to new brakes) and it was getting expensive so I decided to completely upgade.
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Time out. Why were you going through stock WRX rotors every 10K miles? That is not remotely normal. I got like 60-70K out of my fronts including many many autocrosses and a track event. Stuck caliper? Dragging the brakes? Pre-shaving your rotors? Track stuff?
You can buy a lot of OEM or OEMish rotors for $5K.
Quote:
Originally Posted by bigsur1997
After I installed this kit we did about 10 brakes tests between the two cars on an old airport ramp by my house (super fun!) and my Wagon did stop about 10-15ft shorter at best and I had very minimal brake fade, he said he had some significant brake fade. We swapped cars and did it again and mine felt better, he also agreed. I would also give credit to the slotted rotors with helping to release built up gas between pads/rotor surface I guess and the tires, he was running the oem Bridgstones and I have the Dunlops.
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Try switching wheels, and see what happens. The Dunlop Z1s are better tires than the RE070s. And the slots are not helping your stopping distance in any appreciable way, maybe a little extra bite, but you are still traction limited by the tires, and the gas thing should be a non issue with modern pads.
How did you measure the distance? Datalogger? If not, you are never going to know exactly where the car started decelerating.
Etc, etc.