Impreza sti jdm

Hi all,I have a 2003 Impreza Sti Jdm which is obviously fitted with the gold brembo calipers.My pads are due and im thinking about changing them.However i have a bit of a dilema,should i upgrade the pads and discs and keep the brembos or should i sell them and add some money and buy the D2/K sport(as a good set of 2 piece disks are quite a bit pricey still)?Car is mainly used on the road and some drag races and very occasionaly it will see some time attack runs.What do you guys think?thanks

Trippie

iTrader: (1)

Quality discs and pads you wont go wrong with Brembo's.

sams300

dont think you could do much better then this deal

Impreza sti jdm

Nah,i dont think that those are even in the same league as the d2's as i think that they are single piece.thanks

sams300

there not in the same league: there better

ive used both ksport 8pots (d2's are exaxtly the same) and Performace Friction setups as linked and the friction setups are as good and sometimes close to being better. and as shown there alot better value

Impreza sti jdm

That link shows only the single piece disks not the pf 2 piece.I think that the pf should be a little better than those.Offcourse they are more expensive and even the pads they are not for any track use.thanks

stockcar

IMO the PFC 2pce disc kit with a high quality pad is THE best option for the Brembo set-up..........

alyn

Godspeed Brakes

iTrader: (259)

The Brembo caliper is a far better quality caliper than the D2/K sport calipers , and I have stripped and build enough of both to actually know this , and not just say it for the sake of it.
For the money , the D2 and K sport kits are pretty good , but bearing in mind they are the cheapest kits on the market and that does reflect in some of the materials used.
The downside of the D2 and K sport kits is the availability of spares including discs , we have quite a few calls from people looking for replacement discs as the guys selling the kits don't sell the discs as they have no stock.
The design of the sealing of them on the pistons are not the best , and can run into problems later on , they have made them the easiest way possible , and this is how they can keep the cost down.

The Brembo's and AP caliper designs are far superior , but saying that people are using the K sports to good effect.

We can offer you various options , from the link above , which are not suitable for your driving if your going on the track , that link is for our starter package which is the cheapest one we offer , but only aimed at the fast road user on a budget.

We offer various packages to suit most peoples needs and pocket , ranging from One piece discs with many different spec pads , to our own 2 piece discs and bells , to Performance friction discs and our bells , to PF discs and bells , and onto AP 6 pot calipers with either our own discs bells and brackets to a Full AP kit , Alcon kit or Brembo 6 pot kits.

We can supply any make pad to suit all driving styles

We have even made up custom kits using customer supplied Porsche 4 & 6 pot calipers , Audi and Merc 8 pot calipers ect , there is not much we can't supply or make to fit brakes on a car.

Hope this gives you an idea of what we can do , we don't just sell discs and pads

Cheers Ian

-Nic-

iTrader: (4)

I agree with this, I use PF 2 piece discs and Z compound pads on my Spec C and have no issues with brakes lapping the 'Ring.

I personally wouldn't class D2 as an upgrade. More pistons doesn't = better brakes.

You won't go wrong with Godspeed either, highly recommended

Impreza sti jdm

Hi Ian,as said i will be using the car mainly road use,some drag use and ocassional some track.So your output on this is that i keep the gold brembos and invest in some good pads&discs.What setup do you think will suit my use Ian?thanks

jura11

iTrader: (7)

D2/K-Sport vs Brembo there is no test which will confirm or decline which combo is best..

Everything is down to the personal opinion and subjective opinions on this or different setup

We are running K-Sport 8pots 356mm with Z-Rated pads and must admit best setup which working for us like on track or fast road and will fit under low offset 17"

About the replacement discs and pads for K-Sport or D2,pads which are for AP will fit too on the K-Sport or D2,discs AP will fit too(Bren@Apex now selling AP upgrade discs for K-Sport or speak to Alyn@AS Performance).

I'm sure someone running PF Discs on the K-Sport or D2 which will be just better choice


Jura

-Nic-

iTrader: (4)

Well said

bustaMOVEs

iTrader: (31)

IMO go for some good discs like the Brembo hp discs and really good pads like, pf z rated, pagid rs, carbotech, carborn Lorraine etc, I personally wouldn't use the ebc stuff as its not up to my standards.

Impreza sti jdm

Are the Brembo hp discs better than the pf 2 piece?thanks

Impreza sti jdm

Are there any discs better than the pf's before i order a set?thanks

Godspeed Brakes

iTrader: (259)

No they are not


Not really , the PF discs are at the top of the pile

stockcar

PFC is pretty much the only manufacturer to carry out a proper heat-treatment of the rotors before they leave the factory, this enables race and rally customers to use instantly if required although like all things they do prefer a little bedding time..............

alyn

Impreza sti jdm

Thanks for all the replies.At the moment im only going to buy a set of pads,braided lines and fluid and hopefully in the coming weeks when funds perrmit i will be buying the pf discs as they are quite a bit expensive.What are the 'best' pads that suits my needs which works on both the oem discs and later on the pf discs?(mostly road use,some drag and occasional track).

-Nic-

iTrader: (4)

The Performance Friction Z compound pads are good.

bustaMOVEs

iTrader: (31)

If your getting the pf discs I would get matching pads as the complement each other, if you need pads only now get pagid off euro car parts, nice and cheap and work very well about £30 ish

Henrik

iTrader: (5)

Do you supply discs suitable for the k-sports?


On the subject of k-sports;
Personally, I rate them very highly indeed. With blue stuff ndx pads, the braking has always been good and consistent (didn't like the ds2500 compound as much). I've not had brake fade once, even on track, in my lard-**** wrx.

For the money, I think they're a great option, and they don't weigh much more (if any) than even the standard wrx setup, which means that handling isn't compromised.

IggyRB320

iTrader: (9)

Alyn ASP supplied my PF set-up & have absolutely no complaints!
Great performance, hardly any dust & no squeal!
The bedding in process wow.... couldn't believe what I was putting a brand new set of discs & pads through!

johnfelstead

It's not rocket science to get some facts behind the various brake options, if you are prepared to spend the time to calculate it all out.

Very few know even the basics about the various brake kits, i recently worked through a lot of the combinations and the results are quite interesting.

The basics you need to know (ignoring build quality, stiffness and thermal load capacity), are the total piston surface area, brake pad radial height, disk effective diameter, brake pad coeficient of friction (Mu) and brake line pressure (which is a function of the master cylinder diameter with servo assistance, leverage ratio of the brake pedal and pedal force). Subaru are very good in the information they make available on these cars, the manuals tell you most of the information required.

Most dont realise that for example, the brake line pressure on a Newage WRX is higher than on the Newage STi, for the same pedal pressure. With 66 lb of pedal pressure a WRX will give you 1326 psi line pressure, an STi will have 1208 PSI.

You need to be aware of the brake bias effect your changes make, and that the OEM brake bias on a WRX is different to an STi.

This means that what will work as an upgrade on a WRX may not work on an STi, and vice versa. It also may mean to get the most out of a particular package you may need to work with different Mu rate pads front/rear. Uprating the fronts without paying some attention to the rear could ruin your brake balance.

jura11

iTrader: (7)

Agreed John on your points,but you must agreed/admit mostly people doesn't care about this and after that you will find the thread why car doesn't brake as should etc.

When we are upgraded our front OE 4pots to the K-sport 8 pots 356mm we are upgraded rear too from "sliders" pots to K-sport 6pots 330mm





Jura