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Old 08-09-2009, 11:44 PM   #1
Jsun
Scooby Newbie
 
Member#: 160228
Join Date: Sep 2007
Location: Buffalo, Niagara Falls
Vehicle:
2004 WRX VF39
WRB

Default quick 2pot questions

I've searched around this forum and the sticky's and can't seem to get the answer I need. so here are the questions.

My car is 04wrx

I have the 06wrx 2 pot caliper/pads/lines & kartboy bracket.
can i use the 06/07 wrx rear rotors? will this work correctly with the parking brake. (my assumption is yes, both R160)

instead of the kartboy brackets can I just use the 06/07 backing plate on the 04 wrx knuckle? with the 06/07 rear rotors

finally will the kartboy bracket work on the brembo 2 pots? (this one i get yes and no)

thanks guys.
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Old 08-09-2009, 11:49 PM   #2
Jsun
Scooby Newbie
 
Member#: 160228
Join Date: Sep 2007
Location: Buffalo, Niagara Falls
Vehicle:
2004 WRX VF39
WRB

Default

just got an answer from ken at wrxbrakes here it is

Here's how it goes.

You can bolt either Brembo or 06-07 WRX rear 2 pot on an 02-05 WRX.
The brackets for each are different.
The wrx rear rotor has 170mm park brake so any 06-07 wrx rotor works.
For Brembo's you need a rotor w/ the 170mm park drum (or oversize park brake pads). Brembo and DBA make the rotor so that's not a huge deal.

-ken
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Old 08-10-2009, 02:41 AM   #3
05-rsx
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Member#: 101188
Join Date: Nov 2005
Location: Melbourne, Australia
Vehicle:
MY07 WRX Wagon
Black

Default

My understanding is the following:


-You can use Dogbone adapters, OR, swap backing plates.
-Backing plates differ WRX - STi (which is caused by R160 vs R180 -> differing hubs)
-You can bolt on 'SUBARU', OR, Brembo 2-pots using either adapters or backing plates.
-WRX uses a 170mm handbrake (so yes, you can use 06/07 WRX rear rotors w/'SUBARU' 2-pots on your WRX, no issues.
-STi uses a 190mm handbrake. If you wish to run Brembo 2-pots (along with the bigger rear discs) you'll either need to get the special DBA rotor of STi size, but with 170mm handbrake, OR, get 'fat' handbrake shoes.
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