owelly
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| posted on 16/6/09 at 09:28 PM |
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13" rims with rear discs?
I've just bought an XR4x4 rear end for the diff. It comes complete with shafts and framey thing but the discs and caliper are missing. I was
considering fitting drums but then for ease, I thought I'd go with a disc set-up. I found some tiny rear calipers off a Daihatsu that have
handbrake mechanisms. Tiny is good as the discs that I had on my Atlas were far too eficient for my car and the rears were locking up before the
fronts. To get around this, I reduced the pad area. Then chucked the discs and fitted drums. Now I'm fitting the IRS, I want to make sure that
my 13" rims will work with Sierra brakes. If they won't. I'll get the Diahatsu ones tomorrow!
http://www.ppcmag.co.uk
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StevieB
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| posted on 16/6/09 at 09:33 PM |
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Evevnin'!
I believe that certain wheels will fit with rear disc brakes - namely Compomotive CXR's and the Team Dynamics Pro Race wheels that Mac#1
distribute.
I'd be interested whether any of the standard Ford 13" aloys would fit though.
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owelly
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| posted on 16/6/09 at 09:40 PM |
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I've now got three sets of 13" rims fitted with sticky tyres so I'm not swapping them!!! The Daihatsu calipers were nice and small
and the handbrake mechanism was tucked up towards the middle of the hub. I may buy them anyway and fit them to the back of my other Mini based
Magenta!
http://www.ppcmag.co.uk
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flak monkey
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| posted on 17/6/09 at 06:52 AM |
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I dont think sierra rear discs will fit in most 13" rims.
You can always keep drums and still use the lsd.
David
Sera
http://www.motosera.com
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tootall
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| posted on 17/6/09 at 09:18 AM |
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im running sierra xr4x4 read disks and 13"team dynamics pro race 1.2s and had to modd return spring on hand brake mech other than that they fit
lovely 
some people dream of sucsess, others just get on and do it !!
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matt_gsxr
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| posted on 17/6/09 at 09:20 AM |
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you can use escort Mk3 front disks instead. You need to turn down the hub by a few mm.
This places the caliper further in-board, which means it all fits together.
With sierra disks it all gets too close to the wheel (with the exception of some super expensive ones). sierra disks are 253mm, escort mk3 fronts are
240mm. With the Sierra stuff you can grind off theback of the caliper a bit, and elongate the holes and buy yourself a few mm, but it is a lot of time
and is all a bit unsatisfactory.
For the escort solution. You will need to change your caliper mounting brackets (as the caliper is further inboard and nearer to the axis of the
hub), which is a pain on disk braked rear end, as you have to cut off perfectly good brackets.
Daihatsu stuff sounds interesting. I'd like to see how it turns out, as the Sierra/Escort combination isn't light-weight.
Matt
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MikeRJ
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| posted on 17/6/09 at 09:28 AM |
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quote:
Originally posted by matt_gsxr
For the escort solution. You will need to change your caliper mounting brackets (as the caliper is further inboard and nearer to the axis of the
hub), which is a pain on disk braked rear end, as you have to cut off perfectly good brackets
Is it not possible to use the existing brackets with some spacers?
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Antnicuk
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| posted on 17/6/09 at 10:56 AM |
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i used early fiesta fron discs on mine with sierra calipers, the discs are tiny and cheap.
if you are not using ford calipers then you need to make new brackets anyway
600 BHP per ton, Stylus Brought back from the dead! Turbo Rotary Powered!
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owelly
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| posted on 17/6/09 at 01:36 PM |
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Thanks for the info guys. I've collected the Daihatsu calipers and I have some mk3 Escort discs that were on the Atlas axle so I'll see
how they measure up. WATCH THIS SPACE....
http://www.ppcmag.co.uk
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owelly
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| posted on 17/6/09 at 03:53 PM |
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Here's the calipers!
And here's one sat on an Escort disc inside my13" alloy.
There's tons of room!! There's over 10mm of clearance. Probably 15mm.
Now as soon as I get the Sierra back end here, we'll have another look!
http://www.ppcmag.co.uk
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