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17-11-16, 01:30 PM | #11 |
Trickster
Classic Audi Club Member
Join Date: May 2009
Location: Heckling from the cheap seats, Phnom Penh, KoW
Posts: 7,006
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A fella from Belfast/NI worked on the setup that I now have on my UR. He specifically wanted as much off the shelf stuff as possible for service, to fit inside the standard 15" Ronal without mods. His starting point being a readily available calliper- brembo from a boxter, and a standard disc. He mocked up his own bracket in plastic, before having it made in Aluminium.
The A100 (5-bolt) disc is 288x25mm, compared with 280x22mm for early Quattro's using G54 single pots, and 276x25 for later G60 twin pots. I think there is a slightly wide disc that works, but I can't vouch for that. Maybe you could get the same result starting with finding a suitable 4-bolt disc, and the same calipers? Before I went to a brembo setup, I uprated from the original single pot calliper to the twin pot, which was a marked improvement.
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I wish they would keep the damned Chinese away now that I can go home, so that I can enjoy Fish amok and a draught Angkor |
17-11-16, 05:34 PM | #12 |
4 ring whore!
Classic Audi Club Member
Join Date: Feb 2014
Location: Near Watford.
Posts: 7,753
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19-11-16, 11:53 PM | #13 | |
4 ring whore!
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Join Date: Dec 2007
Location: Wirral
Posts: 3,910
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Quote:
PS. Getting another batch of Fuchs titan pro-S race oil in 10w-50 around Christmas hopefully
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Coupe quattro 1986:-~450bhp + loooong list of mods! Audi A7 Bi-TDI SLine Black edition 2015 mapped to produce 600lb/ft torque! Audi S4 4.2 V8 cabriolet 2004:- Last edited by 20vcqdriver; 19-11-16 at 11:55 PM. |
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20-11-16, 12:09 AM | #14 |
Trickster
Classic Audi Club Member
Join Date: May 2009
Location: Heckling from the cheap seats, Phnom Penh, KoW
Posts: 7,006
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986-351-421 & 422
I think mine came from a 2004 2.7boxter. Or something of that ilk. For what it's worth- The 5stud Quattro disc for G60 calipers (late WR, MB, RR) 276x25, PFD 112, has a height of 46mm The 4stud B4 era 1991 disc listed for the coupe, cabriolet, etc V6, 276x25 pcd 108, has a height of 56mm What hat height does the disc that you have, use? I've dug the above info from Euro car parts (based on model info).
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I wish they would keep the damned Chinese away now that I can go home, so that I can enjoy Fish amok and a draught Angkor Last edited by Hanuman; 20-11-16 at 12:32 AM. |
20-11-16, 12:09 AM | #15 |
4 ring whore!
Classic Audi Club Member
Join Date: Feb 2014
Location: Near Watford.
Posts: 7,753
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20-11-16, 12:35 AM | #16 |
4 ring whore!
Classic Audi Club Member
Join Date: Feb 2014
Location: Near Watford.
Posts: 7,753
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20-11-16, 01:08 AM | #17 |
4 ring whore!
Classic Audi Club Member
Join Date: Nov 2007
Location: Polmont
Posts: 2,617
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When I got my ur, it had Brembo brakes on the front.
The discs came from the sport quattro - 295x28mm
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1991 90 quattro 20v sport 1991 90 quattro |
20-11-16, 03:14 PM | #18 |
Grown up member
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Join Date: Dec 2008
Location: Stirling
Posts: 861
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From memory 968/944 fronts with a sport quattro disc, 996 fronts (same as boxster s) with a sport quattro disc, you will need appropriate brackets for either.
Vented rear setup, or go the whole hog and fit monoblocs with an aux handbrake caliper, but that is expensive. AP kit, they are on bells so I assume they could do 4 stud if they have blank bells. http://www.ebay.co.uk/itm/Audi-UR-Qu...UAAOSwKOJYHLT0 Other option is looking at standard more modern brakes, A4 brakes fit under 15s I believe, TT 312s are another option, but I am not sure on minimum wheels size. Are you still 4 stud?
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2005 350z GT Sold-1992 3B S2 coupe-RS2+, 996s, konis, forged rods, rear torsen.... Sold-1993 ABY coupe |
20-11-16, 11:46 PM | #19 |
Trickster
Classic Audi Club Member
Join Date: May 2009
Location: Heckling from the cheap seats, Phnom Penh, KoW
Posts: 7,006
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To the best of my knowledge, a major limitation in this is the 4-stud hub.
So; disc to suit 25mm max thickness, for 986 calliper, 28mm thick needs 996 series calliper, think
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I wish they would keep the damned Chinese away now that I can go home, so that I can enjoy Fish amok and a draught Angkor Last edited by Hanuman; 20-11-16 at 11:50 PM. |
20-11-16, 11:52 PM | #20 |
Grown up member
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Join Date: Dec 2010
Location: Bingley
Posts: 634
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A4 b5 fronts off the 2.8 or 1.8t can also be used with the boxster brembo calipers on the front as height at 46.2 is within a whisker of original (46 mm) and thickness is same at 25mm unfortunatly they are only 288mm diameter but much more common than the sport discs.
If you go to 16in wheels then the A6 (97-04 model) 312 mm disc (height 46.6 thickness 25mm) can be used, I used these on my A4 b5 with brembos and an off the shelf adapter. Appropriate adapter necessary obviously. I'm assuming 5 stud hubs but hey you can drill 4 stud pattern into a 5 stud disc (one hole is elongated inwards slightly + 3 new ones). Last edited by quattrodave; 20-11-16 at 11:55 PM. |
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