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Thread: Rear disc / caliper options

  1. #41
    Racer Decade Plus User Forest_rallying's Avatar

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    Re: Rear disc / caliper options

    Quote Originally Posted by wildo105e View Post
    I thought that is what everyone supplied in their kits.
    The MK5 and 6 RS 2's have a totally different rear brake set up to a Cossie.

    I'll try and search for the cable company if you are interested in one being made.
    Last edited by Forest_rallying; 30-05-2019 at 15:30. Reason: additional script

  2. #42
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    Re: Rear disc / caliper options

    Cable-Tec 01623 440398. NG17 5HN

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    Re: Rear disc / caliper options

    i thought that fiesta discs were a direct fit for this kit but my fiesta discs are much deeper than the discs provided.... hmmmm

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    Rear disc / caliper options

    Different

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    Re: Rear disc / caliper options

    I can photo mine shortly

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    Rear disc / caliper options






    Mine are mk 5/6 escort ones but I believe they are the same as fiesta ones.

    My axle has brackets welded on but they maybe for escort front callipers

    Might have a test fit tonight and post some pics


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    Last edited by wildo105e; 31-05-2019 at 15:35.

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    Rear disc / caliper options

    My fiesta discs are identically tall, the ones that come with this kit though measure 24mm in height where the fiestas (and your escorts) are 33mm... ill have a play later and see if they bolt up ok on the axle

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    Re: Rear disc / caliper options

    Went through a similar process trying to get new discs for my rears recently. This is what I ended up buying and they fitted perfectly (Mk2 Fiesta Van). Use the side arrow on the picture to see the measurements :
    https://www.winparts.co.uk/brake-sys.../p4031034.html
    Last edited by dt36; 31-05-2019 at 17:24.

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    Rear disc / caliper options

    The drilled and grooved discs that come with the set dont physically fit over my hubs and the stud holes are huge so im guessing they are set up for group 4.

    My fiesta discs do fit on but sit really close to the brake caliper slider, would you just space it out with washers?

    Also the pads seem to prottude quite a bit from the disc???

    Does this look like the correct position for the caliper at 11 o clock for the handbrake etc?

    Cheers steve

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    Rear disc / caliper options

    Pics

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    Rear disc / caliper options

    Thinking on it, if i spaced the slider out with washers it would push it even further into the disc.
    Its almost like a couple of mm want shaving off these lugs

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    Rear disc / caliper options

    Quote Originally Posted by dt36 View Post
    Went through a similar process trying to get new discs for my rears recently. This is what I ended up buying and they fitted perfectly (Mk2 Fiesta Van). Use the side arrow on the picture to see the measurements :
    https://www.winparts.co.uk/brake-sys.../p4031034.html
    With the 139 depth they should resolve my issue, however the pads would still protrude slightly from the disc as they require a 246mm diameter

    *** Sorry i read the diagram wrong, they appear to be identical to the fiesta discs i have


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    Last edited by 5tox; 31-05-2019 at 19:27.

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    Re: Rear disc / caliper options

    I have a washer between my slider and bracket. This gives me equal spacing either side of the disc with the caliper body fitted.
    I'm in the garage tomorrow doing a small job on my Old Mans car. I'll pull my wheel off and try and get a pic of the position for you, if his job goes smoothly.

  16. #54
    Racer Decade Plus User wildo105e's Avatar

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    Rear disc / caliper options

    Sounds like the easy option would be a spacer behind the disc to move it out slightly.


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    Racer Decade Plus User wildo105e's Avatar

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    Rear disc / caliper options

    If the grooved discs work better get the half shafts machines down to fit in the disc. You need to do this with English axles and fiesta discs.


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    Re: Rear disc / caliper options

    Pictures are losing resolution when I have to resize them for the forum. If you want some with a bit more detail, send me your WhatsApp via PM.

    This is the angle of my drivers side and ride height at 1" lowered:

    IMG_2872~01.jpg

    IMG_2899~01~01.jpg

    IMG_2901~01.jpg

    IMG_20190601_132430839_HDR~01.jpg
    Last edited by dt36; 01-06-2019 at 13:41.

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    Rear disc / caliper options

    Quote Originally Posted by wildo105e View Post
    If the grooved discs work better get the half shafts machines down to fit in the disc. You need to do this with English axles and fiesta discs.


    Sent from my iPhone using Tapatalk
    But the stud holes are huge and so is the centre hole.
    I think my best bet is to sell the discs and alloy brackets and make my own weld on brackets

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    Rear disc / caliper options

    Quote Originally Posted by dt36 View Post
    Pictures are losing resolution when I have to resize them for the forum. If you want some with a bit more detail, send me your WhatsApp via PM.

    This is the angle of my drivers side and ride height at 1" lowered:

    Attachment 83925

    Attachment 83922

    Attachment 83923

    Attachment 83924
    Did you use weld on steel brackets

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  21. #59
    Racer Decade Plus User wildo105e's Avatar

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    Re: Rear disc / caliper options

    Quote Originally Posted by 5tox View Post
    But the stud holes are huge and so is the centre hole.

    Sent from my SM-A520F using Tapatalk
    If the halfshaft flange is too large getting it machined so it is a snug fit in the disc this will do the locating, but i know what you are saying.

    This is all very interesting as i have been looking at those brackets as well as my axle i think has xr3i front caliper brackets welded on but with a little work i think i can stick with them instead.

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    Rear disc / caliper options

    I think ill sell the discs and ally brackets as a set.

    I have decided the easiest option is to create my own weld on brackets so fabricated a 1mm thick template to see how the calipers sit against the fiesta discs and this appears to have resolved my problem.
    I really would have preferred to use those nice ally brackets though 🤔



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    Racer Decade Plus User wildo105e's Avatar

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    Rear disc / caliper options



    If you can see on the picture my brackets bolt on so you can get a good weld on the bracket. I assume this is because I have quaife hubs which bolt on from the back but it may be worth adding in while you are making them


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    Re: Rear disc / caliper options

    Yes, they are welded on.

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    Racer Decade Plus User wildo105e's Avatar

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    Re: Rear disc / caliper options

    Quote Originally Posted by 5tox View Post
    Its almost like a couple of mm want shaving off these lugs
    You could take a little of the alloy bracket where slider mounts on. Should be quite easy

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    Re: Rear disc / caliper options

    I have a question regarding the disc position against the caliper slider, if the caliper was twin pot then the disc would need to sit dead in the centre where it sits inside the slider as both pistons would be pushing equally, does the fact that its a single pot caliper make a difference.... is the piston going to try and push the disc to one side, does it still need to be dead in the centre?

    I'm trying to explain the best i can but will take more pics if needed, i am by no means a mechanic

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    Rear disc / caliper options

    Quote Originally Posted by 5tox View Post
    I have a question regarding the disc position against the caliper slider, if the caliper was twin pot then the disc would need to sit dead in the centre where it sits inside the slider as both pistons would be pushing equally, does the fact that its a single pot caliper make a difference.... is the piston going to try and push the disc to one side, does it still need to be dead in the centre?

    I'm trying to explain the best i can but will take more pics if needed, i am by no means a mechanic
    Just saw a youtube video which explained how they work, discs should be centred

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    Re: Rear disc / caliper options

    What's stopping you using your Fiesta discs and maching a couple of mil off the lugs for the caliper carrier? That looks like your easiest option unless I am missing something.

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    Re: Rear disc / caliper options

    Quote Originally Posted by 5tox View Post
    Just saw a youtube video which explained how they work, discs should be centred

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    so long as the slider bracket isn't rubbing on the disc then it doesn't have to be dead center. The sliding caliper will centralise itself on the disc. It won't be trying to push the disc to one side. Your worrying about nothing. Trust me, I'm a doctor. Lol

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  31. #68
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    Re: Rear disc / caliper options


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    Re: Rear disc / caliper options

    That would solve half of my problem, my other issue was that the ally brackets were for a slightly larger disc so part of the pads were not in contact with the disc face

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    Re: Rear disc / caliper options

    Use the steel weld on bracket as I can't get my head around what holds the bearing for the halfshaft in properly with that alloy bolt on bracket.

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    Re: Rear disc / caliper options

    Quote Originally Posted by Forest_rallying View Post
    Use the steel weld on bracket as I can't get my head around what holds the bearing for the halfshaft in properly with that alloy bolt on bracket.
    The alloy plate / bracket replaces the OEM steel bearing plate. On mine I had to take the half shafts out to turn down the drive flange so once out the steel plate comes off and is replaced with the alloy one - maybe this is why the caliper is offset so much 0 the steel plate is still in place?

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    Re: Rear disc / caliper options

    Quote Originally Posted by katana View Post
    The alloy plate / bracket replaces the OEM steel bearing plate. On mine I had to take the half shafts out to turn down the drive flange so once out the steel plate comes off and is replaced with the alloy one - maybe this is why the caliper is offset so much 0 the steel plate is still in place?
    You must have two piece shafts Katana. To remove the steel plate that holds the bearing in with a std Ford halfshaft you'd have split the collar and remove the bearing and steel plate and then fit the alloy mounting bracket and then replace the bearing. Am I right in what I am saying?

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    Re: Rear disc / caliper options

    Quote Originally Posted by katana View Post
    The alloy plate / bracket replaces the OEM steel bearing plate. On mine I had to take the half shafts out to turn down the drive flange so once out the steel plate comes off and is replaced with the alloy one - maybe this is why the caliper is offset so much 0 the steel plate is still in place?
    You must have two piece shafts Katana. To remove the steel plate that holds the bearing in with a std Ford halfshaft you'd have split the collar and remove the bearing and steel plate and then fit the alloy mounting bracket and then replace the bearing. Am I right in what I am saying?

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    Re: Rear disc / caliper options

    Now you've got me thinking - certainly not two piece shafts - std RS2000. Maybe the collar stayed and the bracket thing just replaced the old brake backing plate in thickness. I think the hole in the centre of the bracket was large enough that bearing fitted through it. I know I never removed the bearings.

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    Re: Rear disc / caliper options

    Quote Originally Posted by katana View Post
    Now you've got me thinking - certainly not two piece shafts - std RS2000. Maybe the collar stayed and the bracket thing just replaced the old brake backing plate in thickness. I think the hole in the centre of the bracket was large enough that bearing fitted through it. I know I never removed the bearings.
    Thanks for that information. I think the alloy plate is going to be thicker than the old backing plate so caution needs to be exercised to maintain that the retaining plate is actually doing that with the bearing.

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    Re: Rear disc / caliper options

    Quote Originally Posted by katana View Post
    Now you've got me thinking - certainly not two piece shafts - std RS2000. Maybe the collar stayed and the bracket thing just replaced the old brake backing plate in thickness. I think the hole in the centre of the bracket was large enough that bearing fitted through it. I know I never removed the bearings.
    Yes that's correct, it's supposed to replace the 2mm gap left when the drum brakes are removed (as far as i can tell)

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    Re: Rear disc / caliper options

    Quote Originally Posted by wildo105e View Post
    If the halfshaft flange is too large getting it machined so it is a snug fit in the disc this will do the locating, but i know what you are saying.

    This is all very interesting as i have been looking at those brackets as well as my axle i think has xr3i front caliper brackets welded on but with a little work i think i can stick with them instead.
    If that's the axle casing I sold you a few years ago, then the brackets are for xr3i front calipers and vented discs (as that's what I use)
    But the hole spacing on the bracket is the same as for cossie calipers, you might need washers/spacers to make them sit correctly with your discs
    GavinR

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  42. #78
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    Re: Rear disc / caliper options

    Quote Originally Posted by GavinR View Post
    If that's the axle casing I sold you a few years ago, then the brackets are for xr3i front calipers and vented discs (as that's what I use)
    But the hole spacing on the bracket is the same as for cossie calipers, you might need washers/spacers to make them sit correctly with your discs
    Hi Gavin. It is indeed it will be alive soon as i have most parts for it now.
    The only difference seems to be if my fiesta/escort discs were 2mm smaller in diameter it would work perfectly. I have 2 choices change the brackets or machine the discs slightly

    Managed to get hold of a 18 spline diff for it now and a cwp etc.

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    Rear disc / caliper options

    The bracket ive made is 6mm thick steel, do you reckon that will be enough or shall i go 10mm?

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    Re: Rear disc / caliper options

    Me thinks 10mm

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