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  • backspacing on summit stars

    what backspacing do i want to go with on summit stars?

    i might be getting some in the near future. going with a 15x10 rear and 15x7 in front. so looking at 275 in the rear and 235 up front.

    backspacing options are 4.5 : 5.5 : 6.5

    i just want them to look normal and fit correctly.
    wishing i could drive like joe and the atm squad

  • #2
    If your only planning on running 275's go with an 8in wheel. There is no need to use a 10in wheel for that size. Plus an 8in will be lighter


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    • #3
      Originally posted by c0ncEpT View Post
      If your only planning on running 275's go with an 8in wheel. There is no need to use a 10in wheel for that size. Plus an 8in will be lighter
      o really? idk much about tires. can i get a 315 on a 10inch wheel? do 315s rub?
      wishing i could drive like joe and the atm squad

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      • #4
        15x10 =7.5bs
        15x8=5.5bs
        what size tire?26,27 or 28?

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        • #5
          Originally posted by 1BADAIR View Post
          15x10 =7.5bs
          15x8=5.5bs
          what size tire?26,27 or 28?

          um shouldnt go bigger then a 26 id think. is that the max for my car?
          wishing i could drive like joe and the atm squad

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          • #6
            You can go with with up to a 28 with out modding the car to make them fit to much. Its more about gear ratio when factoring in tire height than anything. You want to cross the traps in 4th gear at the peak RPM your car makes power.


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            • #7
              Originally posted by c0ncEpT View Post
              You can go with with up to a 28 with out modding the car to make them fit to much. Its more about gear ratio when factoring in tire height than anything. You want to cross the traps in 4th gear at the peak RPM your car makes power.

              o i have a set of motive 4.10s waiting to be installed if that helps. i want as big as a tire i can get in the back with out pounding anything and a tire in the front i can DD on if i want. prob no smaller then a 235
              wishing i could drive like joe and the atm squad

              Comment


              • #8
                Originally posted by MunsterZ28 View Post
                o i have a set of motive 4.10s waiting to be installed if that helps.
                Well again it depends on how fast you think your car is going to go in the 1/4.

                You might not have enough tire/gear with a 26 to hit the kind of mph you're looking for without having to shift into 5th or hitting the limiter in 4th. Which is a reason to go up to a 27 or 28.

                A larger tire like a 28 can slow you down if you don't need it tho.

                The smaller tire you can effectively run the faster your car is going to be as long as you can hook it.
                Last edited by c0ncEpT; March 15th, 2009, 01:29 AM.


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                • #9
                  Originally posted by c0ncEpT View Post
                  Well again it depends on how fast you think your car is going to go in the 1/4.

                  You might not have enough tire/gear with a 26 to hit the kind of mph you're looking for without having to shift into 5th or hitting the limiter in 4th. Which is a reason to go up to a 27 or 28.

                  A larger tire like a 28 can slow you down if you don't need it tho.

                  The smaller tire you can effectively run the faster your car is going to be as long as you can hook it.
                  him some food for thought. maybe going with a 27 wouldnt be so bad. that way i ensure a little more but dont take away to much ?
                  wishing i could drive like joe and the atm squad

                  Comment


                  • #10
                    Originally posted by MunsterZ28 View Post
                    i want as big as a tire i can get in the back with out pounding anything and a tire in the front i can DD on if i want. prob no smaller then a 235
                    Well a 275 is prob all thats going to fit with NO modification at all.

                    Why do you want a bigger tire tho?
                    For looks?
                    Guys run 7's on 275's


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                    • #11
                      Originally posted by MunsterZ28 View Post
                      maybe going with a 27 wouldnt be so bad. that way i ensure a little more but dont take away to much ?
                      Here ya go http://www.f-body.org/gears/

                      Play with that for a little bit as it should give you a rough estimate or what size tire your going to need with what gears and RPM you are planning on running in the car


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                      • #12
                        Originally posted by c0ncEpT View Post
                        Well a 275 is prob all thats going to fit with NO modification at all.

                        Why do you want a bigger tire tho?
                        For looks?
                        Guys run 7's on 275's

                        ya i like the way it looks. i have 275s now, happy with them. what size rim would i need for a 275, u say 10inch is to big?
                        wishing i could drive like joe and the atm squad

                        Comment


                        • #13
                          what kind of tire are you looking at?
                          I used to run 27/10.5/15 et streets and they fit perfect. the 28's required some work.
                          I went 1.45 60ft on all these tires
                          26/11.50.16 et street
                          27/10.50/15 et street
                          28/10.50s/15 et drags

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                          • #14
                            Originally posted by MunsterZ28 View Post
                            ya i like the way it looks. i have 275s now, happy with them. what size rim would i need for a 275, u say 10inch is to big?
                            I'm not saying it is to big because it will work.

                            What I'm trying to say is a 275 is really all you're going to need. And with only running a 275 tire an 8in wheel would make more sense because its going to be lighter than the 10in wheel.


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                            • #15
                              Originally posted by c0ncEpT View Post
                              I'm not saying it is to big because it will work.

                              What I'm trying to say is a 275 is really all you're going to need. And with only running a 275 tire an 8in wheel would make more sense because its going to be lighter than the 10in wheel.
                              no makes alot of sense. thanks for the help guys. i appreciate it.
                              wishing i could drive like joe and the atm squad

                              Comment

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