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 chrisdebug
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 posted on November 28th, 2004 at 04:14 PM |
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Front Disk Brakes
Hi Guys
I'm planning to install front disk brakes in my 65 bug, and understand that there are SOLID DISK, CROSSED DRILLED and VENTED types?
What's the difference between them?
Also, appreciate if someone can tell me how much I should expect to pay for this. Thanks.
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 barls
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| posted on November 28th, 2004 at 04:24 PM |
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solid is the original, cross drilled has holes drilled through to aid in cooling and vented have slots drilled along the rim to aid in cooling. you
cannot get vented discs for a bug due to the discs being too thin to do this to. but you can get slotted and cross drilled made by dba but i dont know
the price. try richard at v force
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VWCOOL
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| posted on November 28th, 2004 at 04:56 PM |
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Solid discs have one thickness of metal. Vented rotors have an air gap up the middle of the rotor which 'pumps' air through to get rid of heat.
Cross-drilled helps high-performence brakes work better by allowing gases produced by really hot brake pads to escape into the gap in the disc and be
expelled with/by the cooling air.
Slots help by 'surfacing' the brake pad every time a slot passes under the pad. It scrapes it clean
There is no point cross-drilling a non-vented rotor
Don't worry about any of that stuff! Discs are far better than drums - that's all you need to know!!
[Edited on 28-11-2004 by VWCOOL]
Pay your debts, CxxT
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chrisdebug
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| posted on November 28th, 2004 at 06:37 PM |
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Thanks guys for the info. Appreciated.
I've been quoted around $1000 for the conversion. Lots of $ but drums can get a little scary on wet roads. I'm seriously thinking of the disk brakes
esp since I've just spent heaps more on the restoration!
Cheers
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Che Castro
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| posted on November 28th, 2004 at 07:48 PM |
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yep, ventilated are when they have a cavity in the middle which helps with cooling. The standard discs dont have this and are solid. You can cross
drill solid discs, this helps with de-glazing the brake pads and getting rid of heat, although this isnt really necessary on a street car.
Motorcycles and some cars have solid discs which are cross drilled.
$1000 sounds about right, who is doing the conversion? the stock system isnt that bad when they are in good shape, with a fresh bleed, new hoses,
straight drums etc, they can haul up the car mighty quick.
Jon
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