Is it just me or this is how Posche drives?

[ntlgnt1]

Originally Posted by machina Get a performance aligment, changes the car dramatically. They come from the factory set up to understeer which may be the "light" feeling you have from the front of the car. On stock suspension I was able to get -1 deg camber up front and -2 deg in the rear and now the car turns in beautifully and the understeer i had before is gone. I've heard good things about getting the car re-aligned. My hesitation is tire wear. Does this noticeably eat tires quicker when you do this?

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[mdrums]

Originally Posted by ntlgnt1

I've heard good things about getting the car re-aligned. My hesitation is tire wear. Does this noticeably eat tires quicker when you do this?

Currently my cars alignment is:

Front Camber both sides -1.4 * able to get this with Sport version of PASM
Front Toe .02 degree's

Rear Camber -1.6
Rear Toe. .12

It is massive amount of toe that wears out tires more than camber. I have 7800 miles and my tires look hardly worn.

[mdrums]

Originally Posted by utkinpol

I was under assumption 19" was the default size that comes with any C2S and C2 got 18" default rims by marketing considerations only. But suspension on any 2005+ 997 model was actually designed for 19" rims, wasn`t it?

Yes, the PASM get 19's which is stock for the S. The standard Carrera gets 18". 19" on standard Carrera is horrible.

[utkinpol]

Originally Posted by mdrums

Yes, the PASM get 19's which is stock for the S. The standard Carrera gets 18". 19" on standard Carrera is horrible.

As 19" rims go as an available option with standard carrera with no requirement of PASM - define 'horrible', pls. Do you suggest it requires adjustment of suspension if 19" rims are on or you suggest overall incompatibility of standard non-S Carrera suspension with any rims other than standard 18"?

[Minok]

Originally Posted by mdrums

Yes, the PASM get 19's which is stock for the S. The standard Carrera gets 18". 19" on standard Carrera is horrible.

No, PASM gets whatever the car has. Base cars (3.6l) come stock with 18's, S cars (3.8l) come stock with 19's . PASM doesn't play into that at all, unless there is a generally regarded requirement that one should have PASM if one puts 19" rubber on the car. However to suggest that PASM drives getting 19" tires is just wrong.

[muifast]

When the 997 was first introduced, the engineers that were present at the various introduction seminars described the market's need for 997 to accept standard 18s and the more desirous 19s. As a result, I believe they said 997's suspension geometry was actually designed to accomodate both 18s and 19s but with a bias towards 19s.

The 18s are preferred for track use mainly due to its thicker tirewall and the added dampening effects. But in either case, suspension geometry were evaluated for both sizes from the get go.

[stevepow]

Originally Posted by mdrums

Yes, the PASM get 19's which is stock for the S. The standard Carrera gets 18". 19" on standard Carrera is horrible.

Mine came with 19s and I had them switched to 18s - I preferred the look (and they credited me the difference) and hoped it would soften the ride (1 inch - whooo - not really noticeable ).

But I am curious by what you mean? Horrible in what sense?

[utkinpol]

Originally Posted by stevepow

Mine came with 19s and I had them switched to 18s - I preferred the look (and they credited me the difference) and hoped it would soften the ride (1 inch - whooo - not really noticeable ).

But I am curious by what you mean? Horrible in what sense?

Whatever it was meant there it is in no sense horrible. I have both 18" and 19" rims now and car handles better and bit more precise on a street with 19" tires.

I prefer riding 19". If I will ever get on a track again I will mount slicks on 18" but for general purpose driving 19" rims are perfectly fine.

[nizzoc4s]

Originally Posted by mdrums

Your car would handle better with 19" or even better yet with 18" wheels. Your sidewall is way too short for ultimate grip and for the suspension to operate at it's best. Also the reason the rear came around on you is you lifted in the turn in a rear engine car.
Since you seem to like the performance side of a Porsche take same DE tack days with your local PCA group plus there are many other groups that do track days.
I also highly suggest the Porsche Driving School held at Barber Motorsports in birmingham AL. This was some of the best instruction I had when I was starting out.

The new 2010 GT2 RS comes from the factory with 245mm front tires and 325mm rears, just like what I have, which you commented about here.

No offense, but I don't think Porsche's racing team would choose such tire dimensions if what you say is true.

As for the lifting part, lol it was just better being safe than sorry due to the fact that there were neighborhood cars parked on both sides of the street that I could plow into if I was power-sliding into the rather narrow street

[PyroKerry]

911's have very 'light' steering which equates to a quicker turn in. It's one of the advantages to the rear engine design, but it takes some getting use to. I don't think it's understeering that you are feeling. If you turn the steering wheel and the front end does NOT move, then you are understeering.