The Rig

iTrader: (13)

The Rear caliper,For us with 95-97 WRX etc,For road use,brief spirited driving etc ? (with the 4 pots fitted up front )

For the money,say £200 is it a worth while mod to do to help slow the car down,or isnt there much noticeable difference ? Better to stick some decent pads on the back of the slidin caliper ?

cheers

mickywrx

iTrader: (29)

From my non technical point of view, yes.

Bigger disk and IIRC larger pad = better braking. When coupled with the 4pot fronts, better balanced braking.

danny c

iTrader: (6)

i have fitted the 2 pot calipers on the rear of mine,in my opinion yes its worth it,the car feels more stable under hard braking! before the rear seemed to almost want to overtake the front and fitting the 2 pots sorted that,car feels more balanced!

amd it looks loads better!!

alcazar

iTrader: (2)

I've done it on mine, and the result was good.

then I took the car and had the brake bias mod carried out and the result is incredible. The car just stops on a 5p piece.

The Rig

iTrader: (13)

hmm,sounds like i need to do it then,as i too get the back end feeling very unstable under hard braking LOL

whats this brake bias mod then ?

cheers

alcazar

iTrader: (2)

Brake bias valve removed.

Godspeed Brakes

iTrader: (259)

The late Type R was the car to use for rallying , these had 2 pots fitted on the rear as standard , Subaru knew what they were doing when they fitted these , yes they make a big improvement over the standard 1 pot calipers , and makes the car brake flatter with them , instead of nosediving , so makes it much more stable under hard braking
Cheers Ian

Dazza9t9

iTrader: (2)

I'm in the process of up grading mine to 4pot/2pots on my classic

What does removing the brake bias do?

gti00eater

http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=140479713810 i have just stuck these on ebay if they are any use to you

alcazar

iTrader: (2)

Makes the rear brakes do more work, my car feels doubly planted when stopping, no front dive at all.

The Rig

iTrader: (13)

So,is it easy to remove this Bias ? just seems odd to remove it if its there from factory like,dangerous ?

start a how to i thinks LOL Alcazar

Dazza9t9

iTrader: (2)

That sounds interesting. If it is easy to do I will do it while all the brakes are off and the system has no fluid in them!

A how to would be a great idea!

mickywrx

iTrader: (29)

Not really a DIY job removing the bias valve, IMO.

alcazar

iTrader: (2)

I didn't do it myself, it was done for me while the engine was out being rebuilt.

Can't believe how much better it is, mind.

wrx9181

iTrader: (2)

Interesting alz...
Do all subis have it ie blod sti cos ill remove it

alcazar

iTrader: (2)

Now that I don't know. You'd need to contact one or two of the specialists on here.
Mine was done at Harvey's.

The Rig

iTrader: (13)

so,when the bigger discs are fitted to the rear,im assuming you have to either remove the backplate (as its only a smidge bigger than the original smaller discs) or hammer the lip out and bend it out so the bigger disc fits ?

dont wanna remove the backplate,is it possible to keep it/manipulate it into a newer shape etc ????

Godspeed Brakes

iTrader: (259)

Hi
You can just bend it back slightly and it will give you clearance , or just drill through the spot welds holding the stone guard on and take it off , I take them off as its very easy to do.
You can't take the actual backplate off as this is what the caliper brackets are bolted to
Cheers Ian

The Rig

iTrader: (13)

hi,cheers,yeah,sorry i meant the stone guard bit,doh !

cheers

alcazar

iTrader: (2)

Just take the stoneguard off: wire brush first, find the welds, drill with a sharp 8mm drill, remove and repaint the back-plate with Hammerite, job's a good'un.