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Steel ralley wheel dimentions

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Itali83, Nov 25, 2001.

  1. Itali83

    Itali83 1/2 ton status

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    Can anyone please tell me the dimentions on the factory steel ralley wheels. I know they are 15" but are they 7 or 8" wide? what is the offset? I have the chance to buy a set of aluminum slot wheels that are 15X7" I'm waiting on a reply of what thier back spacing is. I also run 31 10.5 15'' BFG AT KO's I wanna be able to use my tires. These alum rims already have 31 10.5 15' BFG Long trail TA's and he says they are fine on there. WIll I kick myself if they are an inch smaller than my ralleys and I put my tires on them? Any other things you can help me out on will be apreciated.
    Ben 87 Jimmy
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  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Stock steel rally's are 15x8 with 3 5/8" backspacing. You should be fine mounting a 31x10.5 on a 7" rim. If the aluminum rims have the same backspace (they should) they'll be 1" farther inside the wheelwell.

    Rene

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  3. gokartergo

    gokartergo 3/4 ton status Staff Member Moderator

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    RALLEY RIMS ARE 8.. You can fit your tires on them. But you won't be able to go much wider later on...Dan

    If it ain't broke.......Don't fix it....
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  4. Itali83

    Itali83 1/2 ton status

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    Thanks guys, I will NOT be going any bigger tire so thats not a prob, I just don't want funky wear or dangerous tires. I just want it to look good which I think they will, they look just like the old ET slot wheels just these are 6 lug and not 5. Thanks again.
    Ben 87 Jimmy
     
  5. Itali83

    Itali83 1/2 ton status

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    The guy says the back spacing is 3-3/8" IS that ok or not good. Acually it should be all set right, Becuase that means that I'll have 1/4" more clearance between the caliper and rim right? IF that makes any sence at all or if you know it'll work out please tell me. thanks
    Ben 87 Jimmy
     

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