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Post by natesfalconfutura on Dec 1, 2014 19:37:18 GMT 12
i need some brake caliper brackets made to suit a bigger caliper and rotor on factory stub axle. what specifications do the brake caliper brackets need to have to pass certification?
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Post by Leon on Dec 4, 2014 12:49:50 GMT 12
Assuming you're going to have a bolt and nut (rather than threading into the plate) and that you're asking about a Futura, then you'd be wanting around 10mm.
If you are talking a big heavy vehicle, or something heavy that is going to be taking a pounding (like a 4x4) then you would want to take it up to 12mm. Ditto if you are looking at running a really large disc, so a very large bracket.
It could pay to be talking directly to your LVV certifier as well, to ensure that he is going to be happy with your design.
A lighter vehicle, you might be able to drop the thickness down to more like the 8mm size.
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Post by adogg on Dec 5, 2014 13:29:09 GMT 12
was interested in the same thing,so is it ok make these up? also whats the story with brake boosters do i need to run one?looking at upgrading the the brakes on my 65 HD holden ute it only has a single circuit brake setup,am looking to changing to a dual(using a commy master cyl) but theres not enough room for a booster, cheers  |
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Post by Leon on Dec 8, 2014 8:41:31 GMT 12
You don't need to run a booster, but you will need to talk to your certifier regarding it, as there's information contained in the Hobby Car Technical Manual which talks about the required ratios.
Also speak to your certifier to ensure that your adapter goes through without having to get anything reworked.
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arlom
Tyre kicker
Posts: 1 
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Post by arlom on May 4, 2015 9:07:18 GMT 12
"Assuming you're going to have a bolt and nut (rather than threading into the plate) and that you're asking.."
Gday- I was hoping to make up a pair of brackets that are theaded. These are for mazda sliding calipers, and the bracket sits between the disc and the caliper lugs, as per OE. I will be cnc'ing up the brackets in steel. Is there a minimum depth of the theaded portion required?
Cheers ,
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Post by Leon on May 11, 2015 12:54:50 GMT 12
Threading into the plate, a basic rule of thumb would be plate thickness in line with the size of the bolt. Around the 10-12mm mark should be suitable. As always, talk to your certifier, and show him your design (before you construct). www.lvvta.org.nz/contact.html#certifier |
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