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D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc. |
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#1
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Pheaton 8 pot Brembos?
Hi folks
I'm sure I've asked this before but not got a definitive answer, so I'll try in a thread of its own and see what happens! There seems to be a few set of 8 pot Brembo calipers removed from Pheatons which look like they use a similar brake disc to the B7 RS4. They'll obviously fit under 20s all day long and would potentially be a worthwhile upgrade. Not sure if they're identical to the Bentley/W12 calipers or not? Off the car they look like this: I've never really paid much attention to how the factory Brembos on my S8 are mounted, but are the mounting points in the same axis, or out by 90 degrees? I seem to remember there's a Birmingham based company that will make up CNC brackets if they aren't a straight fit but I can't recall their details if I would need brackets. The brakes don't give great confidence if you're pressing on, even though mine has OEM discs and pads, and can feel a bit under-braked for the weight of the car at times. It's about the only criticism I have of the car dynamically apart from the gearing. Adrian
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC |
#2
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I've got a brand new set of 8 pot Brembos waiting to go on mine. I'll take some photos on and off the disc when I get a minute so you can compare.
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Poverty spec 2000 Noggy blue S8. Really want a sorar sunroof like Dezzy had THE WHALE IS BACK AND BETTER THAN EVER... errr but leaking again |
#3
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Cheers - would be interesting to see how they marry up and how much effort/fabrication is needed
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC |
#4
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They look very similar to the B7 RS4 8 pots I have on my FL S8. I build a set of spacer adapters from 12 mm plate and I'm in the process of getting proper mounts fabricated. Want some?
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Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light. |
#5
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Thanks Mike - I have a few other things to spend money on before I get in to brake upgrades, but obviously buying the calipers and discs is a fairly substantial investment and they're bound to need a refurb and paint before fitting.
Not sure the RS4 calipers are mounted the same as the Phaeton as I recall that if you want to use the plain Phaeton discs on an RS4 you have to swap the bells to get the alignment right? It sounds like they're not going to be a million miles away from fitting so worth finding some. There's a couple of sets on one of the other Audi forums at about £400-450 but they look well used. There was a member on here selling some a while back but funds were lacking at the time.... Need to measure my current discs and see how much life they have left in them as it's probably something I'll look to do when the current brakes need replacing. Adrian
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC |
#6
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Is this a bolt-on modification?
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S8 D3 FL II. Porsche Cayenne 958 Turbo BMW E83 X3 3.0d M-Sport |
#7
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No, it needs an adapter fabricating. Per post #4, on an FL S8 with Brembos its basically a flat plate since they are both radial mount calipers.
Your A8 has axial mount calipers so you will need a right-angle bracket to fit them. It might be worth looking in to whether anyone has created a bracket to use these calipers on a B5 S4 or C5 S6. If so they will be close but will still need modification as the rotor offset is unique on the D2. |
#8
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Mikki thanks!
I will surely go the easiest way and use the complete D3 brake system for front and rear and hope that it will also fit my winter wheels set, which is 17 inch Fron ist a bolt-on fit, and adapter for the rear (which I will acquire soon!)
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S8 D3 FL II. Porsche Cayenne 958 Turbo BMW E83 X3 3.0d M-Sport |
#9
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Pushing it with 365mm inside 17s! Good luck
How will you handle the electronic handbrake on the D3 rear calipers? |
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