Matt L
Member
Registered: 17th Apr 06
User status: Offline
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how come on some cars the calipers are at the back of the disks and on some there at the front??
cheers matt
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Rhino
Member
Registered: 18th Oct 03
Location: Falkirk
User status: Offline
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Havent a clue mate... just where they have been designed to go.
Not sure if there is reason!
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dhdev
Member
Registered: 22nd Dec 05
Location: Midlands
User status: Offline
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The positioning is due to packaging restrictions on the vehicle in question, i.e where they have room to mount the caliper due to suspension components etc. In an ideal world all calipers would be mounted at the rear as this would reduce loading on the hub / bearing assembly when braking.
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ste_nova
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Registered: 8th Jan 01
Location: St. Asaph, N. Wales
User status: Offline
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lol... why would it???
it doesn't matter where they are mounted... but obviously back mounted ones will make more mess as they throw the brake dust upwards
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dhdev
Member
Registered: 22nd Dec 05
Location: Midlands
User status: Offline
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Imagine if the brake caliper was unbolted from the hub. The disc is rotating and the brake is applied. Now if the caliper is rear mounted it will initially go up, front mounted it will go down. So if the caliper is bolted to the hub this force is then transfered through the bearing to the wheel and then to the road surface. So in effect you increase the loading with a front mounted caliper.
[Edited on 18-02-2007 by dhdev]
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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Some cars (MGB) originally had leading calipers and later models had trailing ones, thus backing up the above theory.
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dhdev
Member
Registered: 22nd Dec 05
Location: Midlands
User status: Offline
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Does the fact that I work in the development dept of Caparo AP Braking help to back up my statements  
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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quote:
Originally posted by dhdev
Does the fact that I work in the development dept of Caparo AP Braking help to back up my statements
not really, dont you get good discount from ap then???
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dhdev
Member
Registered: 22nd Dec 05
Location: Midlands
User status: Offline
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quote:
not really, dont you get good discount from ap then???
AP racing were sold off from the AP group some years back, they're now owned by Brembo IIRC. So I don't get discount through work unfortunately, otherwise my car would definately be fitted with their brakes
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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i was going to ask why did you fit compbrake bits
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