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by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Jul 2011
Posts: 469
Learner Plates Off!
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Learner Plates Off!
Joined: Jul 2011
Posts: 469 |
Seriously, if you wash your car then put it away/don't use it for a while you will get marks behind the pads, this causes slight pitting which in return causes brake judder, I presume most people like me would wash their cars if they went out and got it dirty, then put it away in the garage, when you next come to move it the pads are stuck to the disc, this causes the damage, it's easy to run round the block after washing to heat up the brakes and evaporate the moisture.
Ian
2017 Mercedes Benz SLC 200 AMG.
2019 Mercedes Benz GLA 200 AMG
Now Ex-Mogger!
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Joined: Feb 2016
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Talk Morgan Expert
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Talk Morgan Expert
Joined: Feb 2016
Posts: 2,033 Likes: 23 |
They are Morgan specific but, as I said before Mulfab had their last set in stock a few months ago at £400 and something. Personally I would try skimming first at £100-£120
When the S1 was in production someone made drilled discs and 6 pot caliper conversions. I have searched fruitlessly to no avail for these. Perhaps someone on here will remember? We made a 350mm 6 pot upgrade kit for the S1 at Mulfab, we only ever sold a couple of sets so didn't continue it. The S1 front discs are Morgan specific and are one casting, with directional vents. This means that one disc is rotating "the wrong way" for its vents to work properly and this can cause overheating issues and warping. However, its more likely as mentioned earlier in this thread, that there is a pad shadow or pickup on the disc where the car has been standing. This causes an inconsistent friction surface as the pad shadow is more "grabby" than the disc itself. This causes brake judder and can feel like a warped disc. I frequently bead blast the discs on the racecars to remove any trace of pad material build up, especially if I am trying out different pad materials. A light skim should remove the problem Simon @ SiFab.co.uk How much where these kits? I know the GTN has upgraded brakes.. what was the difference? Thanks Simon 
Aero 8 GTN #11
"What we do in life.. echoes in eternity."
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Joined: Dec 2007
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L - Learner Plates On
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OP
L - Learner Plates On
Joined: Dec 2007
Posts: 108 Likes: 1 |
Hi Just spoke to Motec, they do it at £25+vat per wheel on the car.They only have a two post ramp so am going to pop over and see if the car will go on ?
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Joined: Jul 2011
Posts: 469
Learner Plates Off!
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Learner Plates Off!
Joined: Jul 2011
Posts: 469 |
Let us know how you get on??
Ian
2017 Mercedes Benz SLC 200 AMG.
2019 Mercedes Benz GLA 200 AMG
Now Ex-Mogger!
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Joined: Dec 2007
Posts: 536
Talk Morgan Regular
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Talk Morgan Regular
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Just a couple of further thoughts on this.
Simon, you mention that the discs were Morgan specific. Incredible then isn't it that they didn't have two casts done to cater for left and right installation!
That said, given there are no air ducts to the front brakes, is the airflow in there really so smooth that the direction of the vents matters? Could this have been Morgan's thinking and explain and why they didn't bother?
Cheers
Philip
1985 Plus 8 four seater
Malone F1000 - track car
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Joined: Feb 2010
Posts: 1,415
Has a lot to Say!
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Has a lot to Say!
Joined: Feb 2010
Posts: 1,415 |
Just a couple of further thoughts on this.
Simon, you mention that the discs were Morgan specific. Incredible then isn't it that they didn't have two casts done to cater for left and right installation!
That said, given there are no air ducts to the front brakes, is the airflow in there really so smooth that the direction of the vents matters? Could this have been Morgan's thinking and explain and why they didn't bother?
Cheers Bean counting..... The vanes in the casting actually pump air through the disc as the disc rotates, brake ducting only enhances this effect Simon @ SiFab.co.uk
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Feb 2010
Posts: 1,415
Has a lot to Say!
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Has a lot to Say!
Joined: Feb 2010
Posts: 1,415 |
They are Morgan specific but, as I said before Mulfab had their last set in stock a few months ago at £400 and something. Personally I would try skimming first at £100-£120
When the S1 was in production someone made drilled discs and 6 pot caliper conversions. I have searched fruitlessly to no avail for these. Perhaps someone on here will remember? We made a 350mm 6 pot upgrade kit for the S1 at Mulfab, we only ever sold a couple of sets so didn't continue it. The S1 front discs are Morgan specific and are one casting, with directional vents. This means that one disc is rotating "the wrong way" for its vents to work properly and this can cause overheating issues and warping. However, its more likely as mentioned earlier in this thread, that there is a pad shadow or pickup on the disc where the car has been standing. This causes an inconsistent friction surface as the pad shadow is more "grabby" than the disc itself. This causes brake judder and can feel like a warped disc. I frequently bead blast the discs on the racecars to remove any trace of pad material build up, especially if I am trying out different pad materials. A light skim should remove the problem Simon @ SiFab.co.uk How much where these kits? I know the GTN has upgraded brakes.. what was the difference? Thanks Simon The kits were about £1350 + VAT If there's enough interest I'll remake some kits.... The GTN doesn't have uprated brakes. They are identical to a normal S1 Aero Simon @ SiFab.co.uk
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Jul 2014
Posts: 1,767 Likes: 21
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jul 2014
Posts: 1,767 Likes: 21 |
Interesting that the GTN had what I presume are 2 circular air ducts in the front wings.
These had the matching S/S mesh covering as the rear of the grille and were,I assume, designed to funnel more air to the brakes.
Personally,I also think it enhances the 'look' of the very slightly 'slabby' frontal area.
The only S1 ,other than the GTN's ,that I have seen with this mod. is Viper's lovely blue S1....
James
Aero8 , Series 1 - Boston Green
RR Evoque P300E Autobiography
Smart Brabus Convertible
Monkey Z125
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Joined: Mar 2009
Posts: 11,533 Likes: 318
Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
Joined: Mar 2009
Posts: 11,533 Likes: 318 |
I seem to recollect that Richard Thorne had a race disc/caliper set at some point, might be worth a call ?
I had the disc skim done on mine some time back to remove a wobble. It made it better but actually what made more difference was removing the 4 year old tyres and replacing them with new MPSS as these had gone out of band due to garage duty.
Ask any of your local independant garage and MOT centres and they will be able to point you to someone that does it, most of them sub the work out.
Everyone loves a Morgan. Even me, unless it's broken again.
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Joined: Feb 2010
Posts: 1,415
Has a lot to Say!
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Has a lot to Say!
Joined: Feb 2010
Posts: 1,415 |
I seem to recollect that Richard Thorne had a race disc/caliper set at some point, might be worth a call ?
I had the disc skim done on mine some time back to remove a wobble. It made it better but actually what made more difference was removing the 4 year old tyres and replacing them with new MPSS as these had gone out of band due to garage duty.
Ask any of your local independant garage and MOT centres and they will be able to point you to someone that does it, most of them sub the work out. The RTCC kit was the Mulfab one... I helped design it when I worked there Simon @ SiFab.co.uk
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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