I have to get in on this conversation too...
So, if my KE20 already has factory 200mm front disks, and I want an easy
upgrade, but want to keep the 4x110 pattern, I can just switch to KE30/55
backing plates, rotors and calipers for a net rotor diameter increase of
almost 2cm? That's actually great info, but does that really increase the
overall stopping power that noticably? And are there other design benefits,
like, is the KE30/55 caliper at the rear of the rotor, or is it still in the
front like the KE20?
Oddly enough, I've noticed that a contributing factor to overall brake fade
is having old or worn rear brakes. Of course front stoppies do most of the
work, but if the rear binders aren't biting enough, the fronts end-up doing
more than their share of the work, which significantly increases heat
build-up, which then causes the front rotors to not bite as much and thus
you get that squishy pedal feel. So, whatever upgrades you do to the front,
it's probably a good idea to service the rears too...fresh fliud, fresh
pads, etc. And, it may also be a good idea to install some brake ducts for
the front as this will help dissapate rotor heat faster.
Jordan
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