RS2 Wheel/Tire Musings

[Richard Hoffman]

So...if you were running an 8" wheel the issue is resolved?  That makes much
more sense all of a sudden...I was kind of wondering how they fit a ~10"
tire on a 7" rim :P  The whole idea was really revolving around using the
appropriate sized wheel, the RS2, with a 7" wheel was just an example.  Hmmm
  too bad I don't have the $$$ to play around with it and do a little
"research" :P on smushing a huge tire into the fender wells of the CQ :)

Thanks for your input!

Richard
1990 CQ 202K


>From: "Pantelis Giamarellos" <pantg at otenet.gr>
>To: "Richard Hoffman" <billzcat1 at hotmail.com>, <quattro at audifans.com>
>Subject: Re: RS2 Wheel/Tire Musings
>Date: Thu, 13 Jun 2002 08:53:34 -0700
>
>Richard Hi,
>
>There is a tendency in the driver in everybody to go for wider tyres.
>I did the same on EVERY car I had up to now with the notable exception of
>my
>Land Rovers (where I stick to the factory specified sizes) and the RS2
>where
>I downsized (mainly because keeping the same size would required a new set
>of rims)
>
>Offset on the RS2's wheels is 55 I think too (there is a 55 right in front
>of the rim's air valve)
>
>I was shocked to here the same about the SP8000 being the ONLY tyre that
>AUDI recommends for the RS2. There is a specific mention in the owner's
>manual which says that changing to new tyres should ONLY be done by your
>"friendly AUDI dealer" but who could guess this was the reason.
>After contacting AUDI (when I almost got killed because of a Bridgestone
>S-02 having its footprint separated from the sidewall and noticing that
>just
>before a 500 km fast driving trip) it was specifically quoted by them to
>Bridgestone which has undertook investigation for this incident that ONLY
>the Dunlop SP8000 was factory quoted as suitable for fitment on such a
>narrow rim for its width (245/40/17) The S-02 (or any other 245 wide tyre)
>requires at least a 7.5" wide rim or better still an 8" one IIRC.
>
>Take care
>Pantelis
>
>
>----- Original Message -----
>From: Richard Hoffman <billzcat1 at hotmail.com>
>To: <pantg at otenet.gr>; <quattro at audifans.com>
>Sent: Wednesday, June 12, 2002 11:51 AM
>Subject: Re: RS2 Wheel/Tire Musings
>
>
> > Why?  Well I was just wondering if it was possible, that's all.  I had
>not
> > considered the difference in hub and wheel offset - the RS2 wheels are a
> > 55mm offset, correct?  Also, I find that odd that different makes of
>tires
> > in the 245-40/17 size can cause problems.  No doubt, your BTDT is
>correct;
> > it is just wierd, that's all.
> >
> > Thanks for the input!  I am glad to see BTDT with people so I KNOW when
>I
>am
> > being a flake :)
> >
> > Richard
> > 1990 CQ 202K
> >
> >
> > >From: "Pantelis Giamarellos" <pantg at otenet.gr>
> > >To: "Richard Hoffman" <billzcat1 at hotmail.com>, <quattro at audifans.com>
> > >Subject: Re: RS2 Wheel/Tire Musings
> > >Date: Wed, 12 Jun 2002 13:03:58 -0700
> > >
> > >Richard Hi,
> > >
> > >The 245/40/17 do fit (tightly but they do) on the RS2's 7X17' rims but
>IIRC
> > >the offset of those PORSCHE originating rims has nothing to do with the
> > >AUDI
> > >rims. In addition IIRC (again) the hubs of the RS2 are unique in the
>AUDI
> > >spare parts bin and must also come from PORSCHE (the wheel nuts do BTW)
> > >
> > >And something EXTREMELY IMPORTANT.
> > >
> > >The ONLY tyre of 245/40/17  size having factory approval (from the tyre
> > >maker and AUDI) to be used on the RS2's 7X17" rims is the DUNLOP
>SP8000.
> > >People who have fitted 245/40/17 tyres (including my car by its
>previous
> > >owners) had problems with the tyres' behaviour not to mention serious
> > >deformation and wear of the tyres.  I am currently running 225/45/17
> > >Goodyear F1 tyres instead of SP8000 245/40/17 since those (the SP's)
>are
> > >not
> > >available anymore in the Greek market.
> > >And the car behaves far better with the F1s when compared with the
> > >Bridgestone S-02 that were fitted (but with the non compatible 245
>size)
> > >
> > >Take care
> > >Pantelis
> > >
> > >P.S. Not wishing to light up another debate about tyre sizes but why do
>you
> > >need such a wide footprint? This only increases rolling resistance and
>does
> > >bad to your steering components.
> > >
> > >----- Original Message -----
> > >From: Richard Hoffman <billzcat1 at hotmail.com>
> > >To: <quattro at audifans.com>
> > >Sent: Wednesday, June 12, 2002 12:49 AM
> > >Subject: RS2 Wheel/Tire Musings
> > >
> > >
> > > > Ok...the RS2 got me thinking...
> > > > The RS2 uses a 7x17 wheel with a 245/40/17 squeezed on there.  The
> > >fenders
> > > > are not exceptionally flared more than most typ89/B4 cars.
> > > > How do these wheels/tires fit with no rubbing?
> > > > I know a lot of us would be pleased to get a 245/40/17 under the
>arches
> > >and
> > > > this is making me think it is possible!
> > > >
> > > > Am I wrong??
> > > >
> > > > Richard
> > > > 1990 CQ 202K
> > > >
> > > >
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