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: Calipers and rotors are made to fit each other based on diameter. A larger rotor will have more surface area for a pad to grip. Without a larger pad to cover the whole area, you'll ruin the rotors very quickly. The full potential of the rotor's size would be lost. Anyway, you'd have to physically move the stock caliper to accommodate the rotor... thus you might as well pay for a big brake kit. You just waste some of the surface area. The pads on stock size don't cover the entire useable surface area. They leave a lip on the outer & inner edges.. same difference here. What he would gain is the mechanical advantage of leverage due to the larger diameter of the rotor. This is part of the Skyline difference.. larger rotor & slightly stronger caliper... same swept area. As far as his specific Q, there are no larger rotors for the stock setup.. unless you build a complex bracket set to move the calipers further away from the hub, etc. Might as well just freaking buy the Brembo/AP kit at that point & get the engineering and larger calipers out of the deal.
Later
   VIVA LA TIVO! |
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