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Old 09-30-2003, 10:44 AM   #1
Scooby Specialist
Member#: 30367
Join Date: Nov 2002
Chapter/Region: South East
Location: nashville, tn
2005 Legacy GT

Default Perrin/Willwood 4pots--review and question

I just installed my new Perrin calipers and pads on the front. The Perrin brackets made the install super simple. The only problem I had was with the brake lines--when I tightened them down the whole cable wanted to twist--the nut on the end wouldn't spin freely. My solution was to twist the cable the other way and then tighten. For the last bit of tightening I held the fitting with a pair of pliers. On to the review: These things are LIGHT. I'm thinking at least a 10 pound savings over all. and they look incredible. As for function I was initially disappointed. I went from Hawk street pads which I loved except for the extreme amounts of dust. These brakes didn't seem to have the same initial bite, but after riding twisties for 400 miles last Sunday I am pretty happy. Not half the dust as the Hawks, and fade seemed less. It seemed like they also ran cooler. Could the aluminum calipers be disapating heat better, or is it a pad thing. Anyway. Very expensive for what they improved, probably wouldn't buy again. 100% increase in bling, 5% increase in stopping, 50% decrease in weight.

Now a question which might change everything:
The pads seem to leave an inch of the rotor unused (inch towards the hub). Is this right? I double checkd my install after I noticed this and everything looks ok.
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rjrutzky is offline   Reply With Quote
Old 09-30-2003, 11:09 AM   #2
Scooby Guru
Member#: 3873
Join Date: Jan 2001
Location: Tampa, FL
. Paradise is
like Disney with hookers


initial bite and overall stopping power is a function of the pads, so dont judge the kit on that based upon the pads that came with them (probably polymatrix "Q" unless they have changed it in the last 9 months) that is the real beauty of this setup, EVERYONE makes pads for this caliper - get some decent pads from your favorite manufacturer (the caliper is called the billet dynalite, hawk pad shape is 100) while you're at it get two sets - one for street and one for track, they're cheap and easy to change.

Yes, the aluminium dissipates heat much better than the stock iron calipers, yes they weigh MUCH less than the stock calipers, yes they are bling.
Safir is offline   Reply With Quote
Old 09-30-2003, 01:19 PM   #3
Scooby Specialist
Member#: 38477
Join Date: Jun 2003
Chapter/Region: MAIC
Location: New Market, MD
2009 BMW 135i


Is it worth to buy these used? I have seen a set used that look in good shape for about $400. Also, are there any issuses with needing to be rebuilt after a time or do they require special maintanence? And last, do these realy fit under the stock 16" rims?
MDRex is offline   Reply With Quote
Old 09-30-2003, 02:00 PM   #4
Scooby Guru
Member#: 3873
Join Date: Jan 2001
Location: Tampa, FL
. Paradise is
like Disney with hookers


yes, they do require extra car and maintenance, they require the occasional rebuild, and unless you have extremely mild winters, i would suggest against using them in the winter (the aluminium does not get along well with road salts and the such) - this also makes a good tiem to replace the seals, etc.

do a search and you will find many threads that i have contributed my opinions to, but basically what it comes down to,is this: if you primarilly drive your car on teh street, i think you should look elsewhere, if you primarilly use your car in competition, this is an excellent kit. again, a search will give my reasonings for this.

and yes, they do fit under the stock 16" WRX wheels, with plenty of room to spare i might add.

I have been told that they will fit under some "rally" 15" wheels, but i do not have the $$ to buy a set to test them. they do NOT fit under subaru 15" alloys.
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