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  1. #41
    Senior Member janneppi's Avatar
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    I'm not at all sure I'd be able to spot any difference car handling or grip level in a blind test if the difference was about 2 psi.
    C'est la vie ja taksi tuo.

  2. #42
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    Quote Originally Posted by janneppi
    I'm not at all sure I'd be able to spot any difference car handling or grip level in a blind test if the difference was about 2 psi.
    I would have thought the same but It definately does feel better. I guess it depends on the many variables there are, what you drive, its weight, the tyre construction etc etc.
    Some cars are a lot more 'wired' as far as driver feedback goes than others. I just seem to find better traction and the cornering grip falls away more progressively, less knife edge... which makes it less nervous.
    The emergence of the new 'Rainmaster' - Mad Max at Interlagos 2016!

  3. #43
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    Quite a while ago now but we adjusted tire pressures on racing tires by a 1/4 lb. and there was a difference in handling. The max. reading on the gauge we used was 30 lb. We ran around 13 to 14 lb range on both Goodyears and Hoosier.
    Earlier with Firestones about 15 to 17 lb.
    Admittedly different than street use

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