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| D3 - Wheels and Tyres Refurbing, center caps, tyre brands, tyrefitters - discuss it here |
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#1
28th November 2014, 06:49 PM
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20" wheels offset question
What would be a correct offset for 20" wheels?
Thought a8 takes everything between 35 and 45 I just got a nice set of 20's and they don't fit  Front is 8.5J ET42 with 255/35 tyre (they don't clear calipers) Rear is 10J ET45 with 295/30 tyre (they don't clear caliper literally by a hair) 
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#2
28th November 2014, 07:49 PM
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OK, deep breath lol
The standard 20" wheel fitment for a D3 is a 9Jx20 ET46. From memory with a 275/35R20 tyre Looking at the wheels you've mentioned: the fronts should give 10mm additional clearance on the inside, but be more inset at the outside due to the narrower wheel (compared to a factory 20) so spacers should sort that. Rolling radius is 2% out from stock The rears will be 12mm closer on the inside and stick out 14mm less on the outside. Again spacers can sort. Have a look here: http://www.willtheyfit.com/index.php...et2=45#content and try substituting the spec of your existing wheels rather than the factory 20s to give a better idea of where you might be able to get them out to. check the tyre rolling radius too - I think you're OK but with quattro it's very important to be very close to the same rolling radius front to back.
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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
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#4
28th November 2014, 08:30 PM
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Hmmmmm. The differences are not massive, it depends which direction the calipers are fouling.
If it's sideways in/out then as Adrian has said, spacers would resolve that, especially for the fronts which are narrower so tighter. (Remember ET is in mm, so we're talking small differences here.) I'd be worrying that it's the shape of the dish of the wheels that is the problem and that's potentially not fixable if it's curving in on the caliper without using excessive spacers. The 10J's shouldn't be anywhere near the calipers if they really are ET45.
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2003 D2 FL S8. Irish Green Pearl/Beige. Solar sunroof, auto-dim mirrors, electric rear seat functions and extended leather. Ski hatch retrofit. Aftermarket reversing camera. DVB-T and XCarlink now removed as redundant. 2016 Volvo V40 T5 Cross Country (4WD) with ALL the toys including adaptive cruise etc. etc. Osmium Grey with Blonde/Charcoal leather interior. Polestar performance "optimisation".  (Even rarer than a D2 S8!) Oh, and a brand new engine at just under 30,000 miles on the factory one!  Finally: gone, but not forgotten..... 1998 D2 PF S8. Agate Grey/Platinum. Every option (I think) except electric rear seats, Tiptronic steering wheel, ski hatch, towbar & dimming door mirrors. e.g. Cruise control, NavPlus/TV, Bose, GSM, Xenons, Solar roof, Parking sensors, Alcantara/leather everywhere of course.  (internal dimming mirror added later)1998 (very early) Ford Focus 1.8 Zetec; ABS/TCS, Heated screen/mirrors, Aircon. Added Auto-dim mirror, Leather seats, Trip computer, Cruise control, OEM Ford SatNav with CD changer. And before that a lot of Rover 800s, a few oddities, a lovely Triumph Dolomite 1850HL with Overdrive and way back in my schooldays an Austin Seven aka Mini 850! 
Last edited by HPsauce; 28th November 2014 at 09:22 PM.
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#5
28th November 2014, 09:58 PM
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I'm sure design of the wheel is the issue Bentley wheels I have now on - the lid curves around calipers, new set is dead flat. Will see with some reasonable size spacers and front is a bigger issue.Rears I would get away with 2mm spacer See the pic
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#7
30th July 2015, 05:02 PM
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Quote:
The clearence was about 1mm from the front calipers. I only noticed it was broken because at low speed maneuvering I heard a wierd banging noise. Yes, it was hitting the caliper!!! I wouldn't play around with that...
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