Resources & OEM part number list for 199mm Tundra Brake Upgrade - Page 3 - Toyota 4Runner Forum

brillo_76 · 09-26-2022, 11:07 PM

Quote:

Originally Posted by texadelphia

Is this right? How can the rotors be the same if they're 2 different diameters? So just the calipers and pads are different between the 199 and the 231 upgrades? Do the 231 calipers/pads contact the rotor further out on the diameter of the rotor? I thought the whole difference between the 2 upgrades was that one is a 199mm diameter rotor and the other is a 231mm diameter rotor.

EDIT: I just realized that 231mm and 199mm can't be the diameter of the rotor since that's like 8 and 9 inches respectively and the rotors are like 12" diameter. So does 199/231 refer to the pad width or something?

Yes. The Tundra brake upgrade useez the same wide rotor. This refers to the caliper brake pad opening.

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Bad Luck · 09-27-2022, 10:29 AM

Quote:

Originally Posted by texadelphia

Is this right? How can the rotors be the same if they're 2 different diameters? So just the calipers and pads are different between the 199 and the 231 upgrades? Do the 231 calipers/pads contact the rotor further out on the diameter of the rotor? I thought the whole difference between the 2 upgrades was that one is a 199mm diameter rotor and the other is a 231mm diameter rotor.

EDIT: I just realized that 231mm and 199mm can't be the diameter of the rotor since that's like 8 and 9 inches respectively and the rotors are like 12" diameter. So does 199/231 refer to the pad width or something?

199/231mm refer to the brake pad backing plate size not the rotor.

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