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Which got me thinking
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For reference, I've got a Mk1a which I've fitted Mk1b brakes and disks to after I warped the MK1a disks.
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I've also cut away the shroud at the back of the disk to help improve airflow.
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One thing
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Moderators: IMOC Moderators, IMOC Committee Members
Icsunonove wrote:Ben,
All I can say is I've got Black Diamond discs all round(drilled and grooved discs on the front and grooved only on the rear).
They seem to handle trackdays really well.
Are yours standard?
Tom
big brakes conversion
DoM wrote:Hi Ben,
It's a pain isn't it!I've had the same problem with all my MK1's and now with the Teg!
I was begining to think it was just my driving style!
I found the SC worked best with standard disks and pads, the black diamond disks& pagid pads I had on the N/A were the worst
- the steering wheel used to vibrate like crazy.
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It's true that you can drive through it, it's just really disconcerting when the steering wheel is bouncing up and down in front of you!
Have you tried removing the dust shields or adding some cooling ducts?I don't know if this would have any effect, I guess it might help a little.
I haven't heard of anyone who's managed to cure this on a MK1, though Lauren's seemed pretty good in Germany.![]()
It would be interesting to hear what set up the MK1 challenge cars use.
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Dom
Could it be part of the disk becomes more sticky than the rest when it's hot so the brakes grab more when that part of the disk passes the pad- so it feels like the disk is warping but it's actually fine.
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?
Speedy wrote:big brakes conversion
Bah, you'll just end up overbreaking the car, much too much stopping power for the weight and engine power
The slug was ok after swapping out the front disks after the tumble-dryer-on-heavy-spin which was donington park, haven't had any trouble with them since(was fine at Mallory Park, was fine at Bruntingthorpe), make sure that all the calipers are nice
'n free, and just warm them up and down gently.
Might want to check the rears are free and easy, so that the fronts aren't doing too much work?
<afterthought>
I wonder if it's something to do with original suspension components aggrevating the situation..
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</afterthought>
Mk1Supercharger SE Steve wrote:DoM wrote:Hi Ben,
It's a pain isn't it!I've had the same problem with all my MK1's and now with the Teg!
I was begining to think it was just my driving style!
I found the SC worked best with standard disks and pads, the black diamond disks& pagid pads I had on the N/A were the worst
- the steering wheel used to vibrate like crazy.
![]()
It's true that you can drive through it, it's just really disconcerting when the steering wheel is bouncing up and down in front of you!
Have you tried removing the dust shields or adding some cooling ducts?I don't know if this would have any effect, I guess it might help a little.
I haven't heard of anyone who's managed to cure this on a MK1, though Lauren's seemed pretty good in Germany.![]()
It would be interesting to hear what set up the MK1 challenge cars use.
![]()
![]()
Dom
I must admit that my sc judders,under hardbraking.It doesn't worry me!
Haven't a clue what's
on there as thay are still the ones that came with the car when it was imported.
You get used to it but there again mine hasn't been on the track since i have owned it.
Blokey wrote:
It would be interesting to get a run-out dial, take the car out on track and blatt it then bring it in and look for run-out.
I would wonder if it's worth considering the vibration may be from braking efficiency changing between different parts of the disk..
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?
Perhaps something that's minor when it's cold becomes major when it's hot?