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Subject in a nuthsell
     
Posted by Ghoztt on January 23, 2013 at 6:54 PM
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In Reply To Stock aluminum calipers vs iron calipers and proj mu pis upg posted by VERTTZ on January 23, 2013 at 03:12 PM
     
Message Heat is bad for braking. Nissan changed from aluminum to iron due to surface warping of the rotors, brake shimmy, which resulted in poor brake fade performance under longer sessions of spirited driving. The rotors were warping from heat not being dissipated quickly enough from the brake rotor and caliper, thus allowing it to reach temperatures that created difference in the heat expansion and contraction of the metal compound. Iron resists temperature changes better than aluminum and therefore creates a more stable unit for the more aggressive braking style and resisting brake fade which in turn means it is a better heat sink for absorbing that heat.

The project mu upgrade has greater lubrication aspects, creates less friction during the braking process and in turn less heat. This can help battle brake fade if you were to desire your OEM braking setup and participate in more aggressive driving.
Depending on what you plan to do with the car, you may or may not want to replace your OEM caliper/rotor setup. If you have questions as far as what would suit your needs depending on your plans, feel free to email me, I'd be happy to help give advice and determine what setup would best suit your future interests.

1992 Nissan Skyline GT-R Gunmetal Grey
- Long Live the Z and Godzirra! -
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