[s-cars] Body roll with new tires

[smarinello at charter.net]

Tim:

Are the tires the dry or M&S version of the Nero's?  Actually, you shouldn't get that type of response in either case, unless the pressures are way to low.  

However, that being said, the Nero probably does have a more rounded sidewall profile than the Extremo, so the feel would be different.  The Nero may blow the Extremo away in actual handling, but if you're used to the tread/sidewall transition being blocky, they would feel odd.  Note that the Toyo T1-S and the Firestone SZ50EP, two of the best true handling tires around, both have more rounded sidewalls and narrower section widths than other ultra high performance tires for a given size.

Steve
> 
> From: "Lee Levitt" <lee at wheelman.com>
> Date: 2004/06/29 Tue PM 02:50:52 GMT
> To: <tlarson at tds.net>,  <s-car-list at audifans.com>
> Subject: RE: [s-cars] Body roll with new tires
> 
> Tim,
> 
> Tires certainly will have different characteristics. However, here's a doh.
> Did *you* check the tire pressures?
> 
> And by the way, if these Pirellis really have that much roll, I'd take them
> back.
> 
> Lee
> 
> 
> > I just put new Pirelli P Zero Nero's on my 92 S4 today, and 
> > when I got it back, the car seemed to roll a lot more than it 
> > used to.  With the previous tires (Fulda Extremo's), there 
> > was almost no body roll at all.  Does anyone have any 
> > experience with the Pirelli's maybe haven a softer sidewall?  
> > I also got my car aligned at the same time.  Beforehand, it 
> > was 1.5 degrees on both sides.  It is now back into spec.  
> > Could this be the cause of the body roll?  It feels as if the 
> > car is going to oversteer, and a few times even required 
> > countersteering.  Any help is appreciated, Thanks!
> > 
> > Tim Larson
> 
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