leightonjames Posted March 20, 2013 Share Posted March 20, 2013 Hi everyone, I'm looking at these brake discs but wondered if there's a reason to them being cheap? http://www.ebay.co.uk/itm/KINETIX-GROOVED-FRONT-BRAKE-DISCS-Nissan-350-Z-350Z-BREMBO-TYPE-03-324MM-/270897131110?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item3f12ba2e66 I know the importance of discs but does the rule of "you get what you pay for" apply? Thanks in advance! Leighton Quote Link to comment Share on other sites More sharing options...
MidnightRacer Posted March 20, 2013 Share Posted March 20, 2013 I had some pattern ones fitted by my garage on the instruction that they fitted them to porsches and they were fine. They promptly warped in about 500 miles so they swapped them out for slightly more expensive ebc discs and they have been fine since, track day and all. I simply couldnt justify the price of brembos... Quote Link to comment Share on other sites More sharing options...
MITZ@CougarStore Posted March 20, 2013 Share Posted March 20, 2013 Leighton, we do the Black Diamond discs, which make for an affordable replacement for stock discs - http://cougarstore.co.uk/index.php?main_page=index&cPath=1_7_3 Quote Link to comment Share on other sites More sharing options...
14N Posted March 20, 2013 Share Posted March 20, 2013 I've been advised (not from this forum) that these discs aren't originally designed to be drilled/groved. They are standard, budget discs made to look like expensive items and tempt buyers. The drilling and groove process effectively weakens them. Not something you need from something as important as brakes!! Quote Link to comment Share on other sites More sharing options...
Ekona Posted March 20, 2013 Share Posted March 20, 2013 Golden rule of putting things on your car: Ask yourself what is the worst thing that can happen if that part fails. Once you have that answer, you can decide on how best to spend your budget. 4 Quote Link to comment Share on other sites More sharing options...
leightonjames Posted March 20, 2013 Author Share Posted March 20, 2013 Great - thanks everyone. Won't be going with those! CS - as per pm, I'll be in touch! 1 Quote Link to comment Share on other sites More sharing options...
4RE Leather Posted March 20, 2013 Share Posted March 20, 2013 Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 You get what you pay for...Cheap is always Cheap..! If you want to risk your life, and other peoples lives with cheap discs then so be it.."I WOULDNT"... :scare: 1 Quote Link to comment Share on other sites More sharing options...
ewan221 Posted March 20, 2013 Share Posted March 20, 2013 +1 for the black diamond from Cougar Store 1 Quote Link to comment Share on other sites More sharing options...
MidnightRacer Posted March 20, 2013 Share Posted March 20, 2013 I knew this thread would bring out the scaremongers! those who actually work in the trade know that discs dont just jump off cars on a daily basis killing all those on board, it is more likely cheap discs will warp quicker and wear out quicker. Yes cheaper means cheaper but expensive doesnt always mean good. 1 Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 I knew this thread would bring out the scaremongers! those who actually work in the trade know that discs dont just jump off cars on a daily basis killing all those on board, it is more likely cheap discs will warp quicker and wear out quicker. Yes cheaper means cheaper but expensive doesnt always mean good. Buy what you can afford..they will go very well with the budget tyres and the Chinese brake pads...!!! Quote Link to comment Share on other sites More sharing options...
flyboy Posted March 20, 2013 Share Posted March 20, 2013 (edited) To give a different point of view on these. I have the exact disks on my fronts. http://kinetixbrakes.co.uk/ They looked good and fitted with no issues. Minimal run out when checked with a DTI < 0.002". They do not have multi drilled holes like the photo but just 5 stud holes, and are ground not turned on the braking area. The drilled spots and grooves are part of the manufacturing process not added later as they are under the zinc plating. When matched with these http://www.ebay.co.u...84.m1438.l2649 they stop a lot better than the original Nissan disks after 50,000 miles. I used Zman Alexes break in procedure and they blued up nicely. They might wear out quicker than other makes and maybe I just got a good set who knows, but I am certainly happy with them and will get a set of rears once they are back in stock in a few weeks. The only thing I have noticed is that they occasionally smell a little when pushed hard but that may be because they are in their first few thousand miles or it might just be a combination of the pads and disks. However I have had no brake fade even when hot so am a happy bunny. Edited March 20, 2013 by flyboy Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 Good Flyboy..then everybody is happy...if supplied by ZMANALEX I have no problem with any of of the parts he supplies..Just my preference if I have a sports car which I respect its performance I would like it to stop as quickly as it accelerates without drama.. :scare: 1 Quote Link to comment Share on other sites More sharing options...
ChrisS Posted March 20, 2013 Share Posted March 20, 2013 Good Flyboy..then everybody is happy...if supplied by ZMANALEX I have no problem with any of of the parts he supplies..Just my preference if I have a sports car which I respect its performance I would like it to stop as quickly as it accelerates without drama.. :scare: Please re read Flyboys post. I think you will find that he used Alex's bedding in procedure. Not that he purchased from Alex. Quote ... " I used Zman Alexes break in procedure and they blued up nicely. " Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 Good Flyboy..then everybody is happy...if supplied by ZMANALEX I have no problem with any of of the parts he supplies..Just my preference if I have a sports car which I respect its performance I would like it to stop as quickly as it accelerates without drama.. :scare: Please re read Flyboys post. I think you will find that he used Alex's bedding in procedure. Not that he purchased from Alex. Quote ... " I used Zman Alexes break in procedure and they blued up nicely. " YES' AND I SAID IF SUPPLIED BY ALEX, I HAD NO PROBLEM WITH THAT..!! Quote Link to comment Share on other sites More sharing options...
flyboy Posted March 20, 2013 Share Posted March 20, 2013 (edited) Not bought from Zman Alex. As posted above used his advice on how to bed in correctly. There was no intention to use his name to support my views on these brake disks. Sorry if this was implied in any way. Edited March 20, 2013 by flyboy Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 I'm sure Alex's bedding procedure is legendary and should always be followed..!!! :love: Quote Link to comment Share on other sites More sharing options...
flyboy Posted March 20, 2013 Share Posted March 20, 2013 Good Flyboy..then everybody is happy...if supplied by ZMANALEX I have no problem with any of of the parts he supplies..Just my preference if I have a sports car which I respect its performance I would like it to stop as quickly as it accelerates without drama.. :scare: So for people with these views when you bought your presumably second hand car do you know what disks are on it? How they were treated from day one? Do you then change them out as soon as possible just in case, along with pads and tyres, change the fluid and brake pipes etc etc Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 Yes! my car came from a member on here with full history of what he had done before I bought it... Quote Link to comment Share on other sites More sharing options...
flyboy Posted March 20, 2013 Share Posted March 20, 2013 Ok fair point, mine wasn't. But I am sure most people dont know the history of their car when they bought it. Kinetics say they make the disks under one roof in the USA and if manufactured for the litigious US market they should do what it says on the tin. As I say the statement I made is a personal point of view from experience not hearsay. Quote Link to comment Share on other sites More sharing options...
Dblock Posted March 20, 2013 Share Posted March 20, 2013 I knew this thread would bring out the scaremongers! those who actually work in the trade know that discs dont just jump off cars on a daily basis killing all those on board, it is more likely cheap discs will warp quicker and wear out quicker. Yes cheaper means cheaper but expensive doesnt always mean good. +1 give it a fancy name slap a massive price tag on it and market it right. it will sell. I don't track my car but I want to but for 99% of driving I do I think standard is fine personally. I'd put the money into better pads. Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 I'm not knocking the discs, I'm sure they will be perfectly OK for normal road use..I'm just worried about cheap parts. I bought a cheap alternator for my S500 Merc wanted £450 for a genuine one, so got one for £220, it lasted 9 months and then I had to buy a Merc one..!! :scare: Quote Link to comment Share on other sites More sharing options...
Dblock Posted March 20, 2013 Share Posted March 20, 2013 I'm not knocking the discs, I'm sure they will be perfectly OK for normal road use..I'm just worried about cheap parts. I bought a cheap alternator for my S500 Merc wanted £450 for a genuine one, so got one for £220, it lasted 9 months and then I had to buy a Merc one..!! :scare: ok? Easy for merc parts though. Find out who makes them and buy from supplier and not dealer. E.g. On some Porsches Textar make pads. You can buy them with out the porsche badge for way way way cheaper. Same part though, Quote Link to comment Share on other sites More sharing options...
WhackyWill Posted March 20, 2013 Share Posted March 20, 2013 I have bought Tarox discs from Euro Car Parts for my Golf R32, which were very good. Quote Link to comment Share on other sites More sharing options...
docwra Posted March 21, 2013 Share Posted March 21, 2013 Ok fair point, mine wasn't. But I am sure most people dont know the history of their car when they bought it. Kinetics say they make the disks under one roof in the USA and if manufactured for the litigious US market they should do what it says on the tin. As I say the statement I made is a personal point of view from experience not hearsay. Personal experience? Not scaremongering? Youre on the wrong board mate, thats not how thing are done here I wouldnt think twice about running pattern disks myself, as someone else said they dont suddenly leap off of cars causing them to burst into flames. 1 Quote Link to comment Share on other sites More sharing options...
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