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Hoosiers on an Ur-Q...



I just got in from our region's first night autocross of the summer (after
May, it gets too hot to hold them in the daytime!) and my first experience
using Hoosier Autocrossers on an Audi.  As some of you may know, they are
bias-ply tires and not radials, which means their behavior is entirely
different ... rather than gripping up to the limit and then letting go all
at once, they just start to slide instead.  They are also a bit more
sluggish on turn-in and don't seem to respond quite as quickly as the BFG
R1s I used previously...

After six runs, though, I started getting the hang of driving on them.  I
must say they made it eaiser to drive the car with the center diff locked --
it didn't go into a terminal push if you overcooked into a turn -- and I
found them to have quite a bit more grip, too, as we started lifting the
inside rear wheel off the ground!  The other nice thing about these tires is
that they're 225/45-15s and the lower profile gears the car down around 5
percent, which helps keep it on the boost on tighter courses.

Overall, I was suitably impressed ... I know there aren't many people who
are autocrossing an Ur-Q but I would encourage all of those are to check
these out.  (Btw, they won't work for quattro club events ... the compound
is much too soft and they'd probably overheat and chunk within a few laps.)
Now I need to work on getting the alignment dialed in for them as well as
the tire pressures...
 _________________________________________________________________________
     _                _
    / |      _| o    | \       _| o     Jeffrey Goggin
   /__| | | / | | __ |  | | | / | |     audidudi@delphi.com
  /   | |_| \_| |    |_/  |_| \_| |     http://people.delphi.com/audidudi
 _________________________________________________________________________