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anyone w/ 275/40r18??? 4th gen

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  • #1

    anyone w/ 275/40r18??? 4th gen

    Looking to put this size on rear... just wonder if anyone here has done it, and if they rub?

    I am concerned with the larger diameter...

    Thanks
    Tags: 275, 4th, 4th gen, backspacing, car, correct, diameter, folks, gen, height, hey, hmm, long, pan, pre, pretty, put, rear, rub, shouldn, size, tall, thought, tomorrow, wrong
  • #2
    I know folks have done 18s but I don't know what the sidewall height was. I thought my 17s are 275/40/17 so I would think 18 would be pretty tall with a 40 sidewall.
    - Brian Meissen
    Owner, MiFBody.com
    Administrator, LTxTech.com


    1994 Camaro LT1 Transplant - 357ci LT1, cammed, stalled, and driven.
    2022 Camaro LT1 - "Cherry Bomb 2"
    Michigan FBody Meet & Greet Car Show 2022
    June 4th, 2022 - 9am to 3pm!!!
    The HUB Stadium, Auburn Hills, MI

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    • #3
      it would be exactly 1" taller than 275/40R17s

      They shouldn't rub if the backspacing is correct.

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      • #4
        It will fit, you can stuff a 28" tall tire in the rear of a 4th gen as long as you have adjustable control arms and pan hard to get everything perfectly centered
        1998 Camaro SS Bullseye Turbo
        2002 F-250 7.3 Leveled on 20s with 35's
        2006 Yamaha R6 50th Anniversary
        http://www.mifbody.com/vbulletin/sho...-Update/page11

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        • #5
          Hmm, i have 18s on my car but i dont remember what the sidewall measurement is. I dont believe the diameter is any larger, but i could be wrong... I'll take a look tomorrow.
          -Joel
          1995 Z28 M6 - AI226/234 - autocross ricer
          1984 Scottsdale K10 - 305/4bbl/4spd


          WTB List:Midwest Chasis DS Loop

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          • #6
            anyone w/ 275/40r18??? 4th gen

            I have exactly those. No issues
            1997 Trans Am
            T56 swap. LS1 Cosmetics

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            • #7
              Cool. thanks all!

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              • #8
                They'll fit. I'd be more concerned with traction then rubbing! lol

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                • #9
                  i had them on my camaro. SLIGHTLY rubbed a small spot on the inside of the tire on the inner part of the wheel well if i hit a turn hard. thats with and eibach pro kit
                  98 z28, m6, monster clutch, eibach pro kit, custom twin turbo setup, 317 heads, z06 valve springs, arp rod bolts, 512rwhp at 10lbs. cobra eater

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                  • #10
                    Originally posted by Gaspo View Post
                    i had them on my camaro. SLIGHTLY rubbed a small spot on the inside of the tire on the inner part of the wheel well if i hit a turn hard. thats with and eibach pro kit
                    on the rear of the car?

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