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Author: Subject: wilwood hand brake calipers under a 13" wheel
ceebmoj

posted on 22/7/13 at 09:18 PM Reply With Quote
wilwood hand brake calipers under a 13" wheel

What disk and bracket are people using who have the Wilwood powder light caliper under a 13" wheel with a sierra hub?
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adithorp

posted on 22/7/13 at 09:39 PM Reply With Quote
I used the RallyDesign Sierra drum hub conversion kit.





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ceebmoj

posted on 22/7/13 at 09:48 PM Reply With Quote
Is it this one?

http://www.rallydesign.co.uk/product_info.php?products_id=12234

[Edited on 22/7/13 by ceebmoj]

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adithorp

posted on 22/7/13 at 10:23 PM Reply With Quote
Yeah thats the one.

You have to reduce the flange diameter slightly to fit the discs but any machine shop should be able to do it. Also bear in mind the leverage on the hand brake isn't great. I added a multiplying lever in the tunnel which makes it fine but without it's pretty poor.
13" Compomotive CXR's fit over them fine but I don't know what else will.





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ashg

posted on 23/7/13 at 07:04 AM Reply With Quote
be careful rd do two kits!! one that converts sierra drum setups to wilwood disc setup which have a smaller 240mm disk and another set that converts a standard sierra disk setup to a wilwood disk set-up that one comes with a much bigger 273mm disk that wont fit under 13inch rims.


also the rally design website is slightly wrong. for the 240mm disk kit you need to turn the hubs down to 134mm BUT for the 273mm kit you dont need to turn the hubs down as the disc will fit a standard hub. (Guess how i found that out? yep i turned my hubs down to 134mm based on the info rd supplied only to find it was completely unnecessary for the kit that i ordered with the 273mm discs.)

edit. also as adi said you need arms like superman to pull the handbrake up unless you put a lever system in to up the mechanical advantage.

[Edited on 23/7/2013 by ashg]





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