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  • #16
    Re: 275/40/17 tires

    bang the wall of the fender out with a mini sledge if its minimal rub. thats what i did. then find something more exciting to work on
    Dave:
    00 Supercharged Camaro - RIP
    97 Turbo Camaro - Sold

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    • #17
      Re: 275/40/17 tires

      I'm on my way to more exciting things. I'm trying to work out the small problems first tho lol. I'm thinking I'm going to get new shocks and springs anyway and if that isn't the problem then no harm done anyway. If that doesn't work ill probably hammer it or get it rolled.

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      • #18
        Re: 275/40/17 tires

        What wheels are you running? I still suspect incorrect offset.

        The shocks and springs could certainly contribute to it, but if you are rubbing the side walls on the outside sidewall, then that is much more likely to be an offset problem. Roll the fenders (or hammer).

        The fact that it is rubbing more on one side vs. the other could suggest that your springs are sagging in the rear and thus disallowing the panhard bar to work properly (the component that centers the rear axle), but with new springs, the suspension will still reach this same point, just less often over more harsh imperfections.

        If your tires are rubbing on the outer sidewall, roll the fenders or use a hammer to do the same. If they are rubbing on the inside, remove, space, or otherwise modify the bump stops.
        sigpic
        1996 Chevrolet Camaro
        1995 Buick Park Avenue Ultra
        --Appearance Moderator--

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        • #19
          Re: 275/40/17 tires

          All I know about the wheels is they are american racing 17" by 9". They came with the car when I bought it but weren't on it. The tires are hitting right on the inside of the outer edge of the wheel well. I believe rolling the fenders would give it enough clearance but I'm concerned it might damage the paint, I've never heard of anyone doing something like that.

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          • #20
            Re: 275/40/17 tires

            Rolling the fenders is commom among the V8 guys running 315's and higher in the rear with them being lowered if done right it doesn't harm the paint. So instead of cutting into the tire, the lip is rolled in and so theres no sharp edges.
            08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
            96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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            • #21
              Re: 275/40/17 tires

              Originally posted by TheGr8Schlotzky View Post
              What wheels are you running? I still suspect incorrect offset.

              The shocks and springs could certainly contribute to it, but if you are rubbing the side walls on the outside sidewall, then that is much more likely to be an offset problem. Roll the fenders (or hammer).

              The fact that it is rubbing more on one side vs. the other could suggest that your springs are sagging in the rear and thus disallowing the panhard bar to work properly (the component that centers the rear axle), but with new springs, the suspension will still reach this same point, just less often over more harsh imperfections.

              If your tires are rubbing on the outer sidewall, roll the fenders or use a hammer to do the same. If they are rubbing on the inside, remove, space, or otherwise modify the bump stops.

              2X

              I have factory 17x9 rims and 275/40/17 tires, 1" lowered, and use 1/2" SPACERS to increase the track and DON"T hit the fender.

              The rims are the wrong offset for your car.

              .
              Robert - owner www.FirebirdV6.com/CamaroV6.com

              "Mid-life crisis? I'm way beyond that!"

              1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

              Raven

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              • #22
                Re: 275/40/17 tires

                Google "how to check wheel offset"

                Let us know. Im guessing wheel offset, Shocks and PHB. Coils usually last longer than 104k miles. Do the hose mod.

                Id do the coils last, you may find that they are not needed

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                • #23
                  Re: 275/40/17 tires

                  The wheel offset is +24mm. Is that an acceptable number offset for this car?

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                  • #24
                    Re: 275/40/17 tires

                    Originally posted by 9camaro8 View Post
                    The wheel offset is +24mm. Is that an acceptable number offset for this car?

                    What??? Explain again. Are the tires rubbing the inside or outside of the wheelwell?

                    The stock 17x9 wheels are +50mm.
                    .
                    Last edited by FirebirdGT; 08-12-2010, 09:03 PM.
                    Robert - owner www.FirebirdV6.com/CamaroV6.com

                    "Mid-life crisis? I'm way beyond that!"

                    1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

                    Raven

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                    • #25
                      Re: 275/40/17 tires

                      Actually, 24mm would put the mounting surface closer to the centerline of the wheel when compared to the factory wheels, and therefore put the outer edge of the tire toward the fender, just like we were suspecting.

                      Acceptable range for these cars with a 9" rim would be about 38mm to 56mm.

                      So I'll say again, roll your fenders.
                      sigpic
                      1996 Chevrolet Camaro
                      1995 Buick Park Avenue Ultra
                      --Appearance Moderator--

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                      • #26
                        Re: 275/40/17 tires

                        FirebirdGT they are rubbing on the outside.

                        Is rolling my fenders something a shop would likely be able to do or do I need to buy the tool to do it?

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                        • #27
                          Re: 275/40/17 tires

                          **** I thought it was the inside. Roll the fenders lol

                          You can buy the tool from northern tool, ebay, or rent it from someone on ls1tech.com

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                          • #28
                            Re: 275/40/17 tires

                            ^^Yes, or most wheel shops should be able to do it for you. Cost will probably be low since you'll just be doing the two.
                            sigpic
                            1996 Chevrolet Camaro
                            1995 Buick Park Avenue Ultra
                            --Appearance Moderator--

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                            • #29
                              Re: 275/40/17 tires

                              ive decided not to role the fenders since it can mess up the paint especially on a black car so im just going to buy new wheels. ive been looking around and a lot of the wheels i find that i like have around a 45mm offset. so my question is, how close do i need to be to stock offset to prevent rubbing?

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                              • #30
                                Re: 275/40/17 tires

                                Originally posted by TheGr8Schlotzky View Post
                                Acceptable range for these cars with a 9" rim would be about 38mm to 56mm.

                                There are proper ways to roll the fenders to minimize or eliminate any paint damage. Worst case there is a crack or two along the crease on the inside of the fender...not exactly very noticeable.
                                sigpic
                                1996 Chevrolet Camaro
                                1995 Buick Park Avenue Ultra
                                --Appearance Moderator--

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