AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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no....
I'm just saying you belive what you believe.
Thats not ignorance on my part 
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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dead
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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That video is proof enough for me. Your words over the interent aren't really enough to make me believe the opposite of what I can see with my own eyes.
It's this sort of thing that could make people look like total wankers if a garage was to tell them they've got warped discs and they start arguing. You're not backing what you're saying up with proof, anyone saying it can happen is, in the form of that video.
[Edited on 08-02-2011 by alan-g-w]
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AK
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Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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the proof is what i've experienced. The pic i have posted! Do you think i drew that on with a pen
What proof has the video shown??? Sweet fuck all to say they have been distorted by heat
The bearings could be wobbly, the hub face not flat, deposits on the pad.... All they have proved id that the disc face is not rotating 'flat'
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3CorsaMeal
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Registered: 11th Apr 02
User status: Offline
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only experience i have of this is years ago when i was young and just got the corsa i had tarox discs fitted with ebc greenstuff, didn't have a clue about anything apart from the grooved and drilled discs looked good and i thought green brake pads would give people the impression that something special was going on here.
anyway the brakes went all wobbly after a few weeks and i took it back to garage and they said i'd warped the discs, so they put some new vauxhall discs on there
[Edited on 08-02-2011 by 3CorsaMeal]
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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yup.... the cure is basically the same whatever the cause!
skim the disc or replace so a garage saying they are warped to me just means they need replaced. Its easy for them to say warped rather than trying to explain it (jesus, look at it going over Alan's heed  )
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_Allan_
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Registered: 24th Mar 04
User status: Offline
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They are both fucked either way and most dealers/garages do not have the facilites to skim a brake disc. Hence they will recommend replacement. Anyone will use the term 'warped' for brake disc juddering/vibrating. It is not running true.
The end result is the same in both peoples beliefs. It's how they got to that state is the argument. 
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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quote:
Originally posted by AK
the proof is what i've experienced. The pic i have posted! Do you think i drew that on with a pen
What proof has the video shown??? Sweet fuck all to say they have been distorted by heat
The bearings could be wobbly, the hub face not flat, deposits on the pad.... All they have proved id that the disc face is not rotating 'flat'
You seem like one of these people that force your opinions on others but refuse to accept anything said by the other side of the argument. Listen to you going on about how the 'bearing could be wobbly', 'hub face not flat'... someone's in a bit of denial. Like it or not it's a pretty experienced looking mechanic checking them in a way that looks totally fair. Why would he just make it up?
As said, that clock is moving in a way that means the disc is warped. If you want to make up BS about what other reasons there might be for this then go ahead, but the fact is that your brakes CAN get hot enough to warp with enough punishment. It would be hard to do, but very possible.
[Edited on 08-02-2011 by alan-g-w]
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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i force my opinion when i know im right you are defo a plane cant take off the conveyor belt guy
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Ojc
Member
Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
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So how do you end up with a lip on brake discs?
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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From the pad not covering the whole width of the disc.
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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the lip is from wear oliver.... the pad doesnt wear/reach that part.
Alan - you are talking utter shite and you know it Your argument seems to be 'cos I saw it on TV it must be true'
Do you think I have never worked brakes hard?
I did about 100laps on a track on saturday and yet I didnt warp a disc in the fashion you think.
Bearing and hub face are two VERY valid reasons why the run out gauge could also show variation. You seem to miss the point where i said PAD DEPOSITS WILL ALSO CAUSE VARIATION in the surface.
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Ojc
Member
Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
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They ought to make pads go right over the disc then. Naughty people. It's a scam IMO
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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I'm saying this once more because I can't be arsed any more since you've gone and pulled the 'I race cars as a hobby' card to work in your favour.
I'm not saying that 'because I saw it on TV it must be true'. But for fuck's sake, if you were to see that mechanic saying 'these wheels are 17s' would you be calling bullshit? I thought not. I'm not going on the basis that becase it's TV it must be true. I'm going on the basis that I saw him doing this test to prove that the disc face was warped. Yes, it could be the bearings etc but why would they not then say that? It's not a conspiracy theory ffs.
Pad deposits would cause the DTI in that video to jump about erratically all over the place. Not to have the smooth motion it has which indicates the DISC IS WARPED. How could a pad that covers only a fraction of the disc surface at a time cause such an even variation?
I'm not trying to act like a smart arse mate but I'm telling you that disc in that video is warped. There's not doubt in my mind and there's nothing that you or Internet Steve can do to change my mind.
I'll aplogise and say I should have just left it at the top of the page when you said think what you want, I'll do the same. But as said, I don't want more people in real life taking pish advice from people on the internet and making themselves look a tit.
So you think what you want, I'll know what I know.
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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..... and clearly you know fuck all
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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I know how to read a DTI which is one more thing than you obviously.
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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My cock is bigger than yours.
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sand-eel
Member
Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline
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The technical term for warped disks is "coning" so it can happen, on the road it is pretty much always pad deposits on the disk as people will slow down (brakes will heat up) and when they stop, they will hold the brakes on, thus baking the pad to the disk a bit, also because everything expands and because the pad is so close to the disk it may stick a bit anyway, to cure this you just need to slam the brakes on from 70mph odd a few times and it will be fine after, as long as you drive away straight after.
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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No Laurie, according to Steve and AK you can't do that. You need to grind the face of the disc to get rid of pad deposits apparently.
I said pretty much exactly what you did halfway down page 2 and that's how this all started.
[Edited on 08-02-2011 by alan-g-w]
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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Alan - just leave it. You're going to be here forever arguing.
The brakes on that WRX were not 'warped'
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sand-eel
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Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline
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Oh well, i've had brake judder many many times and this always cures it and the disk becomes nice and shiney again.
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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quote:
Originally posted by AK
Alan - just leave it. You're going to be here forever arguing.
The brakes on that WRX were not 'warped'
As I said, you think what you want to think 
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Graham88
Member
Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
User status: Offline
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So Steve, we are going to quote well named brands talking about warped discs and just because they apparently have more experience you must believe them?
Well I present Burton Power to you.
http://www.burtonpower.com/tuning-guides/tuning-guide-pages/braking-systems.html
quote:
Originally posted by alan-g-w
That video is proof enough for me. Your words over the interent aren't really enough to make me believe the opposite of what I can see with my own eyes.
A man after my own heart.
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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they dont look like brake specialists to me, just online parts sales/tuning people
i could take my car to most mechanics who will tell me a disks warped, which is where this myth has come from.
its a common misbelief im sure there any many places out there who will use the term "warped brakes"
iv not seen anyone investigate it with equipment with any proof, yet people have investigated it doesnt exist with proof therefore that is more valid to me
im quite willing to accept any kind of proof where people have found by investigation that warping does exist but you havent shown me anything yet
[Edited on 08-02-2011 by Steve]
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Graham88
Member
Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
User status: Offline
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What does he does in that video? He uses a depth gauge, so he has proved it :S
Burton Power are one of the biggest names in Ford tuning or at least down this way anyway. So they have a very valid opinion same as Stop Tech. End of the day companies are going to say anything to get more sales so you can hardly listen to them, you need independant advice, which is what that video does. They're not making money out of saying they need new discs
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