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can't find brake disc supplier?

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Old 18-01-2007, 09:40 PM
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PAULDOLMAN
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Default can't find brake disc supplier?

hi guys

i need some help i've got a wilwood front disc conversion on my fiesta rs turbo which consists of wilwoods own 4 pot calipres and 282mm discs

but i can't find anywhere that sells them

please help

paul
Old 18-01-2007, 11:32 PM
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NUTS RuS
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You sure they are not 283mm ie std 2wd cosworth size ?

Rally Design are the UK agents for Wilwood
Old 19-01-2007, 05:34 PM
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pdfbt40
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Straight Vane

OR

Curved Vane

...but nearest size is 11" (279.4mm), only straight vane, only 20.6mm thick. Sure the rotors (discs) are Wilwood?

Martin
Old 19-01-2007, 07:31 PM
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NUTS RuS - are'nt the 2wd cosworth the wrong offset for the fiesta?
Old 19-01-2007, 08:04 PM
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pdfbt40
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I know you've asked NUTS RuS, but since I got a notification of post....

FRST - 239x20x43

2wd Cos - 283x24x55

(4wd Cos - 283x24x35)

Are your Wilwood callipers lug or radial mounting. If they are mounted using radial bolts into adaptors, they could have been drilled by whoever made up the kit to suit whatever offset chosen, as long as there is clearance from the knuckle and wheel.

If they are one-piece discs, its likely they are a standard size offset, and you have a wide choice of disc suppliers to choose from.

Martin
Old 19-01-2007, 08:12 PM
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I mentioned the size as a giude - not an application fittment.

Never seen a 282mm disc thats why
Old 19-01-2007, 08:16 PM
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i'm not sure what lug or radial mounting means

the disc conversion was not done by me, it was on the car when i bought it

what i can tell you is the disc is solid one piece unit, i'm going to add a picture and hoping this will help

Old 21-01-2007, 09:36 AM
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Doesn't really matter what type the calliper's are as their already fitted.

Basically, lug mount has, as description, lugs on the inside that allow the calliper to be bolted directly to the knuckle. As such there no adjustment on disc diameter, and only a little (using spacers) on offset.

Lug Mount

Radially mounted has a machine billet or casting bolted to the knuckle. Socket screws are then used through the calliper from the direction of the wheel rim to the driveshaft, to bolt it to the bracket. By the size and where the holes are drilled there is a wide adjustment of offset and diameter, limited by the inside radius of the calliper adjacent to the disc outer edge.

Radial Mount

The disc offsets I've given you above (from the Tarox catalogue) are the distance from the outer side of the disc centre (which the wheel bolts against) to the inner disc face. So if you measure from the centre face to the outside of the disc and add the disk thickness...that's the offset as listed above.

I would think whoever put the system together, from the disc diameter and construction, has just used Cosworth discs. If that's right, than as I said before, once you've identified whether they're 2WD or 4WD, you can choose from many aftermarket suppliers.

I would think the discs are likely to be 2WD, as that used 4 piston Ford callipers like the Wilwoods I think you've got. The 4WD used a 'sliding' calliper, so didn't need so much clearance on the inside of the wheel.

Don't forget to change pads as well! Rally Design (and others) can supply a range of materials to suit usage of the car and your driving style.

Cheers

Martin
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