Hellfire
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| posted on 3/11/03 at 01:54 PM |
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Front Discs
Can anyone confirm the size of front discs required. MK front uprights & MK calipers. I believe the ones required are 260mm dia. Is this correct?
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Mk-Ninja
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| posted on 3/11/03 at 01:59 PM |
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The discs off a standard Sierra are240 dia.
I am sure they must fit (hope they do).
I think the 260 dia are from the XR4i.
Gordon
I'm sure I've got one, just don't know where I've put it
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Hellfire
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| posted on 3/11/03 at 03:25 PM |
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The problem is...
Front uprights/hubs are from standard sierra. Calipers I am told are the same as XR4x4. So what size discs 260mm or 240mm? Or does it not matter?
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Mk-Ninja
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| posted on 3/11/03 at 03:38 PM |
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If you fit the caliper to the hub you should be able to measure from the centre of the hub to the outside of the pad, thus giving you the correct disc
size. Your only problem might be if the hubs and calipers are different on the XR4x4 and then you might need a compromise on the disc. The other
option would be to get standard calipers.
Chris W had some 260 discs going cheap.
Gordon
I'm sure I've got one, just don't know where I've put it
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adampage
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| posted on 3/11/03 at 03:44 PM |
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What I did...
I don't know if this helps, but...
I got brand new uprights from Martin ( I assume 'normal' sierra as I wasn't told otherwise )
I then bought 2 XR4x4 front calipers from the scrappy, went to the motor factors to get discs, and by looking at his book, the XR4x4 and normal
calipers were different part numbers, but identical in every way, as far as we could tell
Therefore I put the calipers on the uprights, and from centre to inner edge of caliper was about 133-134mm - therefore a diameter of 260 was chosen
Went back to motor factors, bought 260mm disks, and they fit perfect - a few mm clearance, and all of the pad lined up fine with the disk.
Hope this helps, as it confused me at the time!
Adam.
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ChrisW
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| posted on 3/11/03 at 04:32 PM |
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I'll measure mine tonight but I'm pretty sure the standard Sierra is 240mm and the XR4x4 (and maybe the 4i aswell) 260mm.
Chris
My gaff my rules
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Hellfire
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| posted on 4/11/03 at 12:55 PM |
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Adam, thanks for that. Pretty much answers my question. Cheers
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zetec
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| posted on 4/11/03 at 02:04 PM |
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I had calipers off an ABS equiped DOHC car and they are also 260mm, and the rears are also the same as the XR4i. Might help someone if they are
searching for the larger brakes. I got my EBC greenstuff discs and pads from Tiger who were by far the cheapest I could fined.
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Hellfire
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| posted on 4/11/03 at 04:48 PM |
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Fixed Pricing...
Apparently, or so I've been told EBC have a price agreement that the price they quote is the price they sell at. So, whether you are in
Yorkshire, Cambridge or the moon they are the same price wherever you go. Is this not true???
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adampage
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| posted on 4/11/03 at 05:02 PM |
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EBC
I paid about £76 for the discs and £35 for the pads from my local motor factors - that is for spotted & grooved 260mm discs, and green stuff
pads.
Is this about right?
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zetec
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| posted on 4/11/03 at 09:15 PM |
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Have a ring around but also try Tiger, things might have changed but I thought price fixing was a no go now.
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Hellfire
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| posted on 4/11/03 at 09:38 PM |
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Price fixing a 'no go' are you awake?
It was supposed to be outlawed but who is policing it? 
Bought some others now - Rossini. Genuine Italian Disc's so I'm told. Probably bought casting's from China £3 and machined in Italy
for £4 - Total £70? Who's price fixing? These prices are accurate!
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Hellfire
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| posted on 8/11/03 at 05:39 PM |
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Incorrect Disc's or Caliper's???
Disc's and Calipers do not assemble...
Either:
Disc's are wrong - they are 260mm diameter but offset is too small, needs another 5~6mm to be in the middle of Caliper.
OR - Caliper isn't from 4x4.
Either way - something is seriously wrong.
Click HERE for photo
[Edited on 8-11-03 by Hellfire]
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Mk-Ninja
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| posted on 8/11/03 at 09:05 PM |
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if youve got standard hubs, and now think you may have standard calipers then you would need 240 dia discs which have an offset of 34mm (just
measured).
Any body want to buy some 260mm dia discs.(sorry couldnt help it)
I'm sure I've got one, just don't know where I've put it
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Hellfire
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| posted on 10/11/03 at 12:47 PM |
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Turns out that Caliper is NOT XR4x4. Discs are correct dia. ie 260mm but offset is greater. Anyway, exchanging discs midweek so problem sorted
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Mk-Ninja
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| posted on 10/11/03 at 02:49 PM |
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Glad to hear your sorted, what are the calipers off.?
I'm sure I've got one, just don't know where I've put it
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Hellfire
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| posted on 10/11/03 at 05:30 PM |
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Disc's...
MK-Jinja
Disc's are new from MK to suit an XR4i.
Sorted...
Cheers anyway!!!
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