Anyone test fitting 18" wheels on the rear?

Discussion in 'SRT Hellcat Wheels and Tires' started by RadCat, Feb 28, 2015.

  1. RadCat

    RadCat Left Shark

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    I REALLY want more sidewall for slicks and drag radials. I'd love to be able to fit an 18x11 with 315's back there. Select a tire height to match the factory diameter.
     
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  2. RadCat

    RadCat Left Shark

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  3. B5 Blue

    B5 Blue Platinum Member

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    I tried and have yet to find a 18" wheel so I could get M/T 305/45/18 Street radial II's
     
  4. CasualObserver

    CasualObserver Senior Hellcat Member

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    I'm working with weld on a 17x9 option for the rear. The goal is to fit a 275/40/17 M&H DR. The idea of a 20" drag radial just doesn't do it for me with the short/stiff sidewall...
     
  5. hellcatfast

    hellcatfast Hellcat Member

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    I believe the sidewall on a 275-40 x 17 is same as a 275-40 x 20. 40% of width (275 mm) 4.3 inches
     
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  6. B5 Blue

    B5 Blue Platinum Member

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    Yup
     
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  7. RadCat

    RadCat Left Shark

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    This is what I'm talking about. Smallest diameter rear wheel that will clear the brakes so we can have maximum sidewall wrinkles. Please, PLEASE someone start testing this...
     
  8. Billet Hellcat

    Billet Hellcat Gold Member

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    Last edited: Apr 15, 2015
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  9. StellasHC

    StellasHC Platinum Member

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  10. Billet Hellcat

    Billet Hellcat Gold Member

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  11. StellasHC

    StellasHC Platinum Member

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    Yup off just a touch.. they DO work though. Used them on my last Challenger and countless guys run them down in the 9s.
     
  12. DrBuick

    DrBuick Gold Member

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    I'm leaving my 20's on it
     
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  13. Billet Hellcat

    Billet Hellcat Gold Member

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    No sorry I would never recommend anyone to run a 5x114.3 wheel on a 5x115 bolt pattern ever. o_O
     
  14. Speedlogix Sales

    Speedlogix Sales Gold Member Hellcat Supporting Vendor

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    Yes, the Mustang Replica wheels will fit and have been very popular as it is a cheap and easy way to get a smaller wheel for those that do not want to run a 20" drag radial (I would be one of them!)

    [​IMG]
     
  15. Billet Hellcat

    Billet Hellcat Gold Member

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    Will it fit ? Yes
    Is it right ? No
    Speedlogix as a Company you should not recommend anyone running a wrong bolt pattern if it fits or not. I don't care what you run on your car but putting a side load on a wheel stud is not right.
     
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