Cracked Brake Rotors : OEM R32 GT-R

Nismo 500 on some borrowed Nismo LMGT1 wheels

OEM R32 GT-R cross drilled rotors cracked

This is why I don't like cross drilled rotors, cracks. Cross drilling creates small micro fissures that with heating and cooling eventually cause cracks.  These rotors have been on Nismo 500 for an unknown amount of time, but at least a few track days. 

• Rear-  297 mm x 18 mm
• 43206-05U13 Rear OEM Cross Drilled
• 43206-05U01 Rear OEM Plain
• The OEM rotors are cross drilled. Eventually in the GT-R racing range they went to a solid rotor, because cross drilled rotors crack. For racing use, usually a different kind of surface treatment is popular(Plain, slotted, J-Hook). Cross drilling looks good, and works well enough on the street. I like a two piece rotor as they weigh less than a solid disk. You can save several pounds per corner by going to a aluminum hatted rotor.

OEM R32 GT-R cross drilled rotors cracked

 

• DBA has their 5000 series of rotors but not in the stock 296 mm size, just the 4000 series rotors (Front DBA 4926 296MM   4000 Series Heavy Duty.)(Rear DBA 908)  Have to see if I can come up with anything, or do something like a bracket to put a larger rotor on the car. Larger rotors mean larger wheels, and I think I am sticking with the 16's. (I lied, I'm on R34 18" now)   Brake Weights - R32 GT-R  
• EBC Brake rotors ~$250 to $350 for a set - Front RK1226  ~$85-120 for a set  Rear RK699

OEM R32 GT-R cross drilled rotors cracked

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