Tire pressure?

Discussion in 'Dodge Challenger SRT Hellcat' started by Paladin06, Feb 28, 2015.

  1. Paladin06

    Paladin06 Have Guns Will Travel Staff Member Hellcat Car Club Gold Supporting Member

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    Ok door label says 32psi but the tires are inflated 35-37. What are your tires at?
     
  2. Hemi4me2

    Hemi4me2 Silver Member

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    20 inch tires should be at 38 cold and 40 if the vehicle has been driven. Lower them way down at the track but for normal driving use above psi
     
  3. fnkychkn

    fnkychkn swollen member Gold Supporting Member

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    32 psi is the recommended cold inflation pressure. unless you're doing autocross or racing a road course, I wouldn't go higher than 35 psi cold. anything above that and you risk premature center tread wear.

    [​IMG]
     
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  4. Paladin06

    Paladin06 Have Guns Will Travel Staff Member Hellcat Car Club Gold Supporting Member

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    Exactly
     
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  5. Tammie

    Tammie SRT Hellcat Moderator Staff Member Gold Supporting Member

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    Mine are all at 32 to 33 almost always.:)
     
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  6. solo7777

    solo7777 SRT Terminator Hellcat Car Club Western Regional President HCC Charter Member

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    33 cold
     
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  7. Carnage

    Carnage SRT Hellcat Supercharged Moderator Staff Member Hellcat Car Club Gold Supporting Member HCC Charter Member

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    Mine are at 32/33 cold and they can go as high as 36 on a warm day
     
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  8. B5 Blue

    B5 Blue Platinum Member

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    Like 19 degrees warm we got up to today? 12 right now which beats the minus 10 we had two days ago.
     
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  9. Tammie

    Tammie SRT Hellcat Moderator Staff Member Gold Supporting Member

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    Forgot about my report...haven't received anymore:( image.jpg
     
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  10. fnkychkn

    fnkychkn swollen member Gold Supporting Member

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    from TSB 22-004-06 but same principles still apply.

    The tire pressure will vary with temperature by about 6.9 kPa (1 psi) for every
    6.5°C (12°F). This means that when the outside temperature decreases, the tire
    pressure will decrease - the customer should adjust his tire pressure for this
    decrease in pressure
    - please refer the customer to his vehicle owner’s manual for
    information on how to properly inflate his vehicle’s tires. The tire pressure will also
    increase as the vehicle is driven - this is normal and there should be no adjustment
    for this increased pressure.
     
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  11. Whadat1970

    Whadat1970 Silver Member

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    Lets see.... Premature tire WEAR... does that mean we should get 700 miles out of the rear tires if we do 1/8 mile burnouts @32 psi!!!
     
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  12. Carnage

    Carnage SRT Hellcat Supercharged Moderator Staff Member Hellcat Car Club Gold Supporting Member HCC Charter Member

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    Well warmer as in 70s degree sometime earlier back this month for like 2 days . You area is too cold lol
     
  13. BLK CAT

    BLK CAT Rookie

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    What about winter, whether you drive you Challenger Hellcat in the summer or not, would you inflate them to 50psi?
     

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  14. fnkychkn

    fnkychkn swollen member Gold Supporting Member

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    For daily driving, inflate to recommended pressure (32 psi cold).
    For storage, inflate to maximum sidewall pressure.
     
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  15. Hubbs

    Hubbs Silver Member

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    Every time I leave my delaership they've adjusted them to 41 psi cold. No idea why. I always drop that to about 32 after I get home.
     

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