Nissan 370Z Forum - View Single Post - General question: Why are bigger brakes better?

axeman71 · 10-25-2010, 11:26 PM

I understand that bigger breaks (rotors and pads) stop a given car better than smaller breaks. What I don't understand is why. It seems to me that breaking is more about friction between the tire and the road. As long as a small break setup can squeeze the rotor hard enough to stop the wheel rotating (causing the tire to skid) then it seems that should be good enough. A bigger break gains no advantage from being able to squeeze harder.

I do think that larger breaks might give you more control of how hard the breaks squeeze allowing you better control over breaking force without locking up the wheels. Is this the difference?

My thoughts above don't take into account heat build-up during breaking or ABS. I realize bigger breaks would spread the heat out more and fade less and I don't really know what effects ABS might have.

10-25-2010, 11:26 PM	#1 (permalink)
axeman71 Base Member Join Date: May 2010 Location: Augusta, GA Posts: 129 Drives: '10 Conv A7 Blk Chry Rep Power: 15	General question: Why are bigger brakes better? I understand that bigger breaks (rotors and pads) stop a given car better than smaller breaks. What I don't understand is why. It seems to me that breaking is more about friction between the tire and the road. As long as a small break setup can squeeze the rotor hard enough to stop the wheel rotating (causing the tire to skid) then it seems that should be good enough. A bigger break gains no advantage from being able to squeeze harder. I do think that larger breaks might give you more control of how hard the breaks squeeze allowing you better control over breaking force without locking up the wheels. Is this the difference? My thoughts above don't take into account heat build-up during breaking or ABS. I realize bigger breaks would spread the heat out more and fade less and I don't really know what effects ABS might have. __________________ 2010 Roadster, 7AT, Black Cherry, Touring, Navigation, Lighted Kick Plates, Floor and Trunk Mats.