Cheaper big brake conversion
21 January 2014, 08:57 PM
#63
the AP Racing cp5200 is a lighter more competition orientated caliper, the cp6600 is a heavier, more cost effective road biased caliper........
5200's, etc. can be used on the road with no issue as long as you service them regular as with most BBK......
5200's, etc. can be used on the road with no issue as long as you service them regular as with most BBK......
21 January 2014, 09:38 PM
#70
The CP6600 has far better dust sealing , so much better suited to road cars , it's very reliable , powerful caliper , I would choose them over the 5200 , cheaper too.
Have fitted quite e few sets to rally cars with great effect , I have the smaller 7600 caliper fitted to my clio rally car , and that stops very very well with Ferodo DS3000 pads
Have fitted quite e few sets to rally cars with great effect , I have the smaller 7600 caliper fitted to my clio rally car , and that stops very very well with Ferodo DS3000 pads
21 January 2014, 09:51 PM
#71
Ian, I'm guessing the AP 6600 kit is one of the best 330mm off-the-shelf road setups for the Impreza? (As AP usually make great brakes).
Do the AP callipers offer excellent, confidence-inspiring, 'top of the pedal' feel? (My current K-Sport 330 setup, using 2500 pads, lacks this, IMO).
Have you tested and subjectively compared the 6600 kit to the K-Sport 330 kit? I'm guessing the AP kit trounces it?
Do the AP callipers offer excellent, confidence-inspiring, 'top of the pedal' feel? (My current K-Sport 330 setup, using 2500 pads, lacks this, IMO).
Have you tested and subjectively compared the 6600 kit to the K-Sport 330 kit? I'm guessing the AP kit trounces it?
Last edited by joz8968; 21 January 2014 at 09:55 PM.
21 January 2014, 10:18 PM
#72
AP Racing do not offer a 4pot 'formula' kit with anything other than cp5200's for the Subaru currently........
of course anything can be custom made
https://www.facebook.com/photo.php?f...type=3&theater
of course anything can be custom made
https://www.facebook.com/photo.php?f...type=3&theater
21 January 2014, 10:24 PM
#73
Ian, I'm guessing the AP 6600 kit is one of the best 330mm off-the-shelf road setups for the Impreza? (As AP usually make great brakes).
Do the AP callipers offer excellent, confidence-inspiring, 'top of the pedal' feel? (My current K-Sport 330 setup, using 2500 pads, lacks this, IMO).
Have you tested and subjectively compared the 6600 kit to the K-Sport 330 kit? I'm guessing the AP kit trounces it?
Do the AP callipers offer excellent, confidence-inspiring, 'top of the pedal' feel? (My current K-Sport 330 setup, using 2500 pads, lacks this, IMO).
Have you tested and subjectively compared the 6600 kit to the K-Sport 330 kit? I'm guessing the AP kit trounces it?
22 January 2014, 02:41 AM
#76
Hi Ian
How many times you are rebuild'd or refurbished K-Sport or D2?
How many times you are rebuild'd or refurbished Alcon,Brembo or AP?
I would say you are refurbished more in yours life Alcon,Brembo,AP or OE 4pots than K-Sport or D2 calipers
Agree they're made from cheaper materials or don't have seals,but we run them for almost 4 years on our wagon without the single issue,although I've looked to get better discs and pads all the time,but who wouldn't
I wouldn't slate them for being cheaper,I've run them on our wagon as I said and I would recommend them all the time,they're good upgrade for WRX or STi and with right pads I've find them good as other makers
Jura
How many times you are rebuild'd or refurbished K-Sport or D2?
How many times you are rebuild'd or refurbished Alcon,Brembo or AP?
I would say you are refurbished more in yours life Alcon,Brembo,AP or OE 4pots than K-Sport or D2 calipers
Agree they're made from cheaper materials or don't have seals,but we run them for almost 4 years on our wagon without the single issue,although I've looked to get better discs and pads all the time,but who wouldn't
I wouldn't slate them for being cheaper,I've run them on our wagon as I said and I would recommend them all the time,they're good upgrade for WRX or STi and with right pads I've find them good as other makers
Jura
22 January 2014, 11:47 AM
#78
Way better mate. I have the 6600.my mate had the k sport kit on his amd went for the ap 330mm kit and he said they are loads better. He tried all sorts of combos with the k sports. They were very good but the ap kit was just far better. I personally never have tried k sports but the majority favour the ap over k sports
22 January 2014, 03:17 PM
#80
If I paid the best part of a grand for a set of front calipers I'd expect them to be out of the box fantastic, not all this mucking about without different pads and discs malarky.
Reading this about Ksports not having the best design for seals etc, that they aren't fantastically well made, and looking for "better discs" I'm extremely put off the idea of Ksports.
AP's just look better quality as well. I don't think I've read a bad review on AP's.
Reading this about Ksports not having the best design for seals etc, that they aren't fantastically well made, and looking for "better discs" I'm extremely put off the idea of Ksports.
AP's just look better quality as well. I don't think I've read a bad review on AP's.
22 January 2014, 03:58 PM
#81
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the only K-sports i have ever held in my hand were the original orange ones, i got bren to send some in where i used to work as they were new on the market. i thought we had an understanding that i would have some brackets and bells etc machined to fit a cosworth, and give him the drawings etc in return for the brakes for one of our project cars.
when i mentioned id had the bells drilled he went ape**** lol and i ended up sending the kit back to him. he then expected all the drawings and measurements id made so they could produce the kits for the cosworths etc. he got told lol.
to look at they were ok, but as ian has said, they are not the best quality items ever made.
IF i ever bought a new set of brakes i personally would not buy k-sport/D2 or whatever.
a well proven set of AP, Brembo or Alcon would be purchased. but thats just MY personal opinion
when i mentioned id had the bells drilled he went ape**** lol and i ended up sending the kit back to him. he then expected all the drawings and measurements id made so they could produce the kits for the cosworths etc. he got told lol.
to look at they were ok, but as ian has said, they are not the best quality items ever made.
IF i ever bought a new set of brakes i personally would not buy k-sport/D2 or whatever.
a well proven set of AP, Brembo or Alcon would be purchased. but thats just MY personal opinion
22 January 2014, 04:39 PM
#84
I've ran the Godspeed 335mm kit on my 03 WRX, and it was a good kit for the money. Never had any issues on road or track with them from a reliability point of view.
I've now got a K-sport set, and they're also decent. It does feel like the caliper flexes more than the GS kit did, however I'm not sure if this is actually true, or if it's just my hoses that are ballooning (however, i never had the same feeling with the GS kit, and the only material diff is the caliper from a flex point of view).
The one thing that does count in favour of the k-sport kit over the GS kit would in my opinion be the weight of the setup. The GS setup feels significantly heavier than the k-sports, and when I changed over, I noticed that my car skipped less over pot holes and other undulations. This is (I'm guessing) due to the much bigger disc (both dia + width), and also the use of the subaru steel caliper.
Regarding brakes, if I change in the future, I will get the smallest disc diameter I can get away with for my use (track + some road). From my own testing, I don't think I need even the 330mm kit and associated weight, so I might even try some fancy AP setup with smaller discs (if available), however for now I'm sticking with my k-sports (The cost to change could be better put towards other bits).
If I was buying again, given what Ian has said about the piston seal location, I'd probably go for a different caliper, especially if an "AP-like" setup was available for < 1000.
I've now got a K-sport set, and they're also decent. It does feel like the caliper flexes more than the GS kit did, however I'm not sure if this is actually true, or if it's just my hoses that are ballooning (however, i never had the same feeling with the GS kit, and the only material diff is the caliper from a flex point of view).
The one thing that does count in favour of the k-sport kit over the GS kit would in my opinion be the weight of the setup. The GS setup feels significantly heavier than the k-sports, and when I changed over, I noticed that my car skipped less over pot holes and other undulations. This is (I'm guessing) due to the much bigger disc (both dia + width), and also the use of the subaru steel caliper.
Regarding brakes, if I change in the future, I will get the smallest disc diameter I can get away with for my use (track + some road). From my own testing, I don't think I need even the 330mm kit and associated weight, so I might even try some fancy AP setup with smaller discs (if available), however for now I'm sticking with my k-sports (The cost to change could be better put towards other bits).
If I was buying again, given what Ian has said about the piston seal location, I'd probably go for a different caliper, especially if an "AP-like" setup was available for < 1000.
22 January 2014, 04:39 PM
#85
I think the AP 355mm discs will fit the K sport 355mm bells , but no other 330mm discs that I know of fit the 330mm bells , the K sport 330mm discs have a step where the bell fits on , so this affects the offset the bell needs to be , the AP discs are like ours , they are flat level with the pad area , with the K sport bells fitted give about 2mm less total offset which then makes the calipers drag on the disc.
I will be offering discs to fit both K sport setups , but the first set would need new bells to give the correct total offset , and from then onwards just a disc change.
I have seen pictures of the latest D2 calipers , and they look to have changed the seal design , perhaps they have encountered the issue's I have highlighted above , as far as I can see the K sport calipers haven't been changed yet.
When we were sent emails about the latest D2 caliper kits , they were only offering kits with drilled discs not grooved , which is a backward step , your buying a kit to increase the performance , and drilled discs taken to high temps will crack around the holes
22 January 2014, 04:44 PM
#86
I think the AP 355mm discs will fit the K sport 355mm bells , but no other 330mm discs that I know of fit the 330mm bells , the K sport 330mm discs have a step where the bell fits on , so this affects the offset the bell needs to be , the AP discs are like ours , they are flat level with the pad area , with the K sport bells fitted give about 2mm less total offset which then makes the calipers drag on the disc.
I will be offering discs to fit both K sport setups , but the first set would need new bells to give the correct total offset , and from then onwards just a disc change.
I have seen pictures of the latest D2 calipers , and they look to have changed the seal design , perhaps they have encountered the issue's I have highlighted above , as far as I can see the K sport calipers haven't been changed yet.
When we were sent emails about the latest D2 caliper kits , they were only offering kits with drilled discs not grooved , which is a backward step , your buying a kit to increase the performance , and drilled discs taken to high temps will crack around the holes
I will be offering discs to fit both K sport setups , but the first set would need new bells to give the correct total offset , and from then onwards just a disc change.
I have seen pictures of the latest D2 calipers , and they look to have changed the seal design , perhaps they have encountered the issue's I have highlighted above , as far as I can see the K sport calipers haven't been changed yet.
When we were sent emails about the latest D2 caliper kits , they were only offering kits with drilled discs not grooved , which is a backward step , your buying a kit to increase the performance , and drilled discs taken to high temps will crack around the holes
i see, i have d2's not ksports.
mine are 355 and run grooved discs, i thought the dust seal were added in the revised designs.
i cant fault them t.b.h. but it does make me laugh when people refer to them as budget, if £1000 is budget to some people im in the wrong job.
i find them far better for fast road use than my brembos ever were but agreed ap and alcons are probably better built but as matty says above if they last 5 years before a rebuild thats not bad for performance brakes
22 January 2014, 05:03 PM
#87
Ian, can the AP CP6600 caliper 'be made' to fit around existing K-Sport 330mm bells/discs?
Or do you have to also have AP's own 330mm bells/discs for the caliper to fit i.e. the full c.£1,100 AP CP6600 kit?
(Apologies if you've already answered this elsewhere -- it gets a bit hard to keep up lol.)
Or do you have to also have AP's own 330mm bells/discs for the caliper to fit i.e. the full c.£1,100 AP CP6600 kit?
(Apologies if you've already answered this elsewhere -- it gets a bit hard to keep up lol.)
Last edited by joz8968; 22 January 2014 at 05:07 PM.
22 January 2014, 05:13 PM
#88
i see, i have d2's not ksports.
mine are 355 and run grooved discs, i thought the dust seal were added in the revised designs.
i cant fault them t.b.h. but it does make me laugh when people refer to them as budget, if £1000 is budget to some people im in the wrong job.
i find them far better for fast road use than my brembos ever were but agreed ap and alcons are probably better built but as matty says above if they last 5 years before a rebuild thats not bad for performance brakes
mine are 355 and run grooved discs, i thought the dust seal were added in the revised designs.
i cant fault them t.b.h. but it does make me laugh when people refer to them as budget, if £1000 is budget to some people im in the wrong job.
i find them far better for fast road use than my brembos ever were but agreed ap and alcons are probably better built but as matty says above if they last 5 years before a rebuild thats not bad for performance brakes
22 January 2014, 05:17 PM
#90
Ian, can the AP CP6600 caliper 'be made' to fit around existing K-Sport 330mm bells/discs?
Or do you have to also have AP's own 330mm bells/discs for the caliper to fit i.e. the full c.£1,100 AP CP6600 kit?
(Apologies if you've already answered this elsewhere -- it gets a bit hard to keep up lol.)
Or do you have to also have AP's own 330mm bells/discs for the caliper to fit i.e. the full c.£1,100 AP CP6600 kit?
(Apologies if you've already answered this elsewhere -- it gets a bit hard to keep up lol.)