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Thread: Rear rims??? - Coupe rears on a sedan

  1. #1
    BlownCaddy806's Avatar
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    Rear rims??? - Coupe rears on a sedan

    Tried doing a search but came up with no definitive answer. Do the coupes rears fit the sedan. I've heard yes and no. I need a for sure answer and what are the differences. I have a lead on a set of rears from a coupe for a great price.


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    TheDarkKnight is offline Cadillac Owners Fanatic
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    Yes they do fit. Check my old thread on my sedan. I had coupe rears lowered on d3 comp springs and still fit fine. No spacers

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    Re: Rear rims???

    So are they the same size?? Offset? Thanks

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    brentwoodCaddy is offline Cadillac Owners Member
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    They fit fine, and are a little wider rim. I've got 295/35s on the back of mine, so a little more rubber on the ground which is good, and pulling a little more Gs too, as this give you a wider footprint by about 2 1/2 inches. I did put stiffer springs on it as the tires are flush with the outside of the wheel well. It looks very cool from the back to see the tires flush with the body. You could easily fit 305s on the coupe rims. Here's a picture of how the tire sets in the well from the side.
    Attached Images

  6. #5
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    Re: Rear rims???

    That looks good. Thanks

  7. #6
    jimbo1320 is offline Cadillac Owners Fanatic
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    Re: Rear rims???

    Coupe rear rims are 10". Offset is facing out. Do your tires bottom out under exceleration? I was told they will.

  8. #7
    power_ats is offline Cadillac Owners Member
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    Re: Rear rims???

    yes they will fit.

  9. #8
    AAIIIC's Avatar
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    Re: Rear rims???

    Quote Originally Posted by jimbo1320 View Post
    Offset is facing out.
    Say what? Offset is a number, not a direction.

    The intarwebs says the coupe wheels are 19x10" +40mm, while the sedan wheels are 19x9.5" +56mm. Doing the math, the outer lip of the coupe wheel will sit ~0.9" farther our than the outer lip of a sedan wheel.
    '05 Stealth Grey CTS-V, 19x8.5/10" CCW T140s with Toyo Proxes T1 Sports (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

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    ats4life is offline Cadillac Owners Member
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    Re: Rear rims???

    Yes they do, same size

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    Re: Rear rims???

    Quote Originally Posted by ats4life View Post
    same size
    No, they're not the same size. They do fit, but they're not the same size.

  12. #11
    jimbo1320 is offline Cadillac Owners Fanatic
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    Re: Rear rims???

    WE have established they do fit, but is thier a problem with bottoming out ?

  13. #12
    Hilgee is offline Cadillac Owners Member
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    Re: Rear rims???

    I have been looking for a set of rear rims from a coupe. I have a set of MT drag radials begging to be put on. Also based on everything I know they should fit fine. If you lower the car just do some tests.

  14. #13
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    Re: Rear rims???

    Just wanted to make sure ther would be no rubbing issue especially inside fender well and tire.


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