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    Why 19s when all they may do is make car less practical?

    Common knowledge is that there is no significant difference in performance betwen 18s and 19s in a _driver's_ car like the 997. Some say that 17s are just as good performance wise as 19s!

    So, the next question is compared to the C2's 18s what are the drawbacks of these 19s on the C2S?

    When you hit a pot hole are they more likely to bend the hub out of aligment?

    Are the 19s somehow built (forged?) to be equally as strong, and as likely to bend as the 18s?

    Bothers me to think Porsche, for the sake of looks, would make the car less reliable, less practical by putting wheels which are more vulnerable to damage on roadways.

    Re: Why 19s when all they may do is make car less practical?

    Plus, no spare tire.

    Re: Why 19s when all they may do is make car less practical?

    Quote:
    Bothers me to think Porsche, for the sake of looks, would make the car less reliable, less practical by putting wheels which are more vulnerable to damage on roadways.



    Same reason they put in cup holders, lcd screen, softer ride, Cayenne, etc. You cater to the masses, because that's what they want and Porsche wants more $$$.

    And Porsche would say: if you don't care about those things, you can buy a GT3

    -=Scree=-

    Re: Why 19s when all they may do is make car less practical?

    Just don't buy it.

    Get 17" wheels if that is how you feel.
    That is why it's called "options".

    Re: Why 19s when all they may do is make car less practical?

    Quote:
    MaxErnst said:
    Common knowledge is that there is no significant difference in performance betwen 18s and 19s in a _driver's_ car like the 997. Some say that 17s are just as good performance wise as 19s!

    ...



    Why is this common knowledge? The comparisons between the different wheel/tire/suspension combos for the 996 stated that the 18" wheels with std. suspension would be the best solution for daily use and decent track times. So why are you saying 19" wouldn't make sense?

    I won't say that 19" wheels will habe a much more spontaneous turn-in in corners but I believe that this is due to the low weight of the 911 on the front axle.

    Anyways I don't expect them to bend if you drive carefully - if you bend a wheel on a pothole you could also get in trouble because of ride height! Scatches due to contact with curbs can be avoided because the sidewall of the Michelin tires are wider than the actual rims.

    Otherwise you might consider a Cayenne!

    Re: Why 19s when all they may do is make car less practical?

    Dude, sorry to say that but you should definetely go for a Cayenne.

    911 is suppose to be a "practical" road sports car right?

    I'm not sure but I think it is getting pretty showy and exotic, like a Ferrari.

    No spare, fake quads, computerized interior, wheels that almost assume a meticulously conditioned track surface.

    Sad to think Porsche is doing stuff with it's flagship model that the mass market dumbly demands.

    Re: 911 is suppose to be a "practical" road sports car right

    Quote:
    MaxErnst said:
    I'm not sure but I think it is getting pretty showy and exotic, like a Ferrari.

    No spare, fake quads, computerized interior, wheels that almost assume a meticulously conditioned track surface.

    Sad to think Porsche is doing stuff with it's flagship model that the mass market dumbly demands.



    True. But there is no reason for the enthusiasts to distress because Porsche offers the GT3 as Scree noted.

    Re: 911 is suppose to be a "practical" road sports car right

    Quote:
    MaxErnst said:
    wheels that almost assume a meticulously conditioned track surface.



    One More thing Max, can you elaborate on what you said about the wheels? How would normal road conditions damage them?

    Thanks

    Re: 911 is suppose to be a "practical" road sports car right

    Quote:
    danny828 said:
    Quote:
    MaxErnst said:
    wheels that almost assume a meticulously conditioned track surface.



    One More thing Max, can you elaborate on what you said about the wheels? How would normal road conditions damage them?

    Thanks



    I believe it's a generalized statement. Anytime you make the wheel a larger diameter and want to keep the overall diameter of the wheel and tire the same, the sidewall of the tire must decrease in height. So with a shorter sidewall you do get better road feel and response, but it's at the cost of less absorption of impact due to bad roads that may bend a wheel.

    If he meant anything more specific, I hope he'll enlighten us, but I suspect he's just referring to this. Personally I think 19 inch wheels only make sense if brakes keep getting bigger.

    Re: 911 is suppose to be a "practical" road sports car right

    Are you somehow forced to buy the S? (or a 911, for that matter?)
    You loathe the wheels (although you've never driven the car, so you have no ideea how they behave), you hate the lack of spare (when you can buy a small donut yourself, and i'm curious to see where you'd put the 295/19 wheel after a flat), you hate the 'poser' quad pipes (who's stopping you from switching them after you buy the car?)..
    If a C2S is such an ordeal to have, why order one? Get a boxster. Or a C2. (or a cayenne ).

    The 911 is like a box of assorted chocolates, there are some you love, and a couple you don't like
    (although i'm confident the exclusive department can customize the box exactly on your tastes)

    Re: 911 is suppose to be a "practical" road sports car right

    Quote:
    it's at the cost of less absorption of impact due to bad roads that may bend a wheel.


    But what happens when the suspension is designed around the 19'' wheel? I suppose the risk of bending is a known issue at porsche, and they put (at least some) effort in minimizing that issue?

    Re: 911 is suppose to be a "practical" road sports car right

    Quote:
    brunner said:
    Quote:
    it's at the cost of less absorption of impact due to bad roads that may bend a wheel.


    But what happens when the suspension is designed around the 19'' wheel? I suppose the risk of bending is a known issue at porsche, and they put (at least some) effort in minimizing that issue?



    I seriously doubt that suspension revisions would solve this problem. However, I don't really think that 19 inch wheels are especially worse than 18 inch from what I've heard and many people will say that you have to be more careful with 18 inch wheels than 17 inch wheels. The only real solution if you are going to keep the tire diameter the same would be to make sure that the wheel is robustly constructed. It seems that the sidewall section on the front tires has decreased from 40 to 35 on the 997 S. The rear tire remains at a section of 35 so the diameter of the rear tire has increased from 25 to 26 inches. You'll have an inch less cushion in the front (roughly, I haven't calculated it), and the same cushion in the rear.

     
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