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Tyre pressures

GarethS4 Aug 13, 2017

  1. GarethS4

    GarethS4 Registered User

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    I'm running 20" wheels with 255/30/20 tyres on my s4 but I don't know what pressure I should have in the tyres .i have ruined my front two by being at wrong pressure ,anyone running same that could advise .thanks .
     
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  3. RyanJonS4

    RyanJonS4 Drive It Like You Stole It

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    What pressures have you been running?

    I'm on 19's at the minute but I've got a set of 20's currently being refurbished so I'm interested to see what people recommend
     
  4. GarethS4

    GarethS4 Registered User

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    Tbh I have tried 36+ - 30 approx but I have not a clue what it should be .i do know that when you hit a bump or speed ramp you think your car is gonna break in two .its very harsh with eibach springs fitted .
     
  5. Bulldog

    Bulldog Registered User

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    I run 245/30/20 on mine & run in between the factory 18 & 19 pressures I can't check at the moment as having wheels refurbished & new tyres fitted.
     
  6. GarethS4

    GarethS4 Registered User

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    You have your pressure at 18-19 psi .is that not nearly flat .??
     
  7. Bulldog

    Bulldog Registered User

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    No I run them in between the factory pressure for 18 & 19 wheel pressures.
     
  8. GarethS4

    GarethS4 Registered User

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    Sorry I mis understood your reply there .
     
  9. Bulldog

    Bulldog Registered User

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    No probs. But definitely think 36psi front is too much.
     
    GarethS4 likes this.
  10. Chop.

    Chop. Registered User

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    I ran mine at 32psi but I can say from experience the harshness your feeling is down to the 30 profile tyre on the 20" wheel and not the tyre pressures

    I changed mine back to 19" after a few terrible months and a cracked wheel
     
    GarethS4 likes this.

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