help with decypering window sticker please

Discussion in 'Challenger R/T Engine & Performance Modifications' started by Model maker, Apr 23, 2014.

  1. Model maker

    Model maker Full Access Member

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    I just traded my 2013 R/T Plus with automatic transmission for a 2014 challenger R/T SHAKER there are differences between the two & window sticker does not list the axel ratio. here are a few things I want to understand what they are.
    13 challenger R/T had autostick, 18 inch all season Michelin pilot tires
    306 axel ratio.

    new R/T shaker has shaker functional air intake

    20 inch satin aluminum wheels with black pockets
    245/45ZR20 bsw performance tires
    track tuned suspension
    performance steering w/variable displacement pump
    ANTI SPIN DIFFERENTIAL ? what axel ratio with 5.7 automatic tranny & anti spin and 20 inch wheels ?

    HID HEADLIGHTS

    730n cd/dvd/mp3/hdd navigation
    40GB hard drive with 20 Gb available ???

    the tires are the goodyear F1s the tire pressure reads 38 psi, the door sticker says 32 psi like my other challenger had with 18 inch wheels. stopped by les scwab tires and they said the tire psi could be 40 plus ??? the door sticker lists the tire size on the car and says 32 psi but others say 40 plus is better I tend to go by the door sticker but again these are different tires than I am used to. all answers greatly appreciated
     
  2. UKCrafty

    UKCrafty Member

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    The door sticker is what you should go by, if there is 38 psi in the tires they are over inflated, also the F1s are a soft compound tire they wear out too fast for my taste!

    When they say 40 gig hard drive and only 20 gig available it means that the navigation and other programs are taking up the other 20 gig.



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  3. UKCrafty

    UKCrafty Member

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    Also the Anti Spin is Dodges way of saying limited slip differential, your axel ratio should be 308

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  4. slidd

    slidd Member

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    2014 Challenger 5.7L R/T axle ratios

    Auto - 3.06 Chrysler open - Standard
    Auto - 3.06 Getrag Anti-Spin - optional
    6-speed - 3.73 Getrag Anti-Spin (w/ 18-in wheels)
    6-speed - 3.92 Getrag Anti-Spin (w/ 20-inch wheels)

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