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Rb20 To Rb25 Brake Conversion

R32Abuser
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salad Veteran

salad

Posted
Posted

new rotors, new calipers, if you took em off yourself, youll be able to put em back on just fine.

not much point though, 8mm larger in radius, the resulting braking torque increase wont be that much more...

probly not worth it if you have a type m already

R32Abuser Mentor

R32Abuser

Posted
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Posted

Yeah but what if you had an RB25 in ur 32? Wouldnt you need the 25 breaks? I do have the Type m brakes BTW. I thought there was more of a difference between the R33 brakes than 8mm...Arent RB25 Brakes the same as R32GTR (same size)?

salad Veteran

salad

Posted
Posted

yep, 16mm bigger in diametre, thats it. same as R32 gtr, except a little thinner (30mm instead of 32mm)

keep in mind that R33s are a lot heavier than R32s, and a bit more power, hence slightly bigger brakes.

type m brakes are fine, dont bother upgrading, just get good pads now

salad Veteran

salad

Posted
Posted

pretty sure theres nothing wrong with leaving those brakes on with an rb25. im sure the engineer that does your certificate will find those brakes fine and thats what matters, what the engineer thinks

im assuming you will be gettin it engineered if you want it to be legal...

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