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S13 Wide rear wheel fitment?

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  • S13 Wide rear wheel fitment?

    Wheel selection is one of my grey areas, so I have been in the process of doing my homework before pulling the trigger and I want to get some informed opinions now.

    I have found that 17x9 +22 RPF1's are good all around on an S13 with fender work. 255's are about the max recommended on these, and the max that will fit under the front suspension components.

    I am looking for a wider wheel and tire in the back end. I would like to run 255/17 F and 275/17 R on my S13.

    What offset is going to work well for a 17x10 rear wheel? RPF1's come in 17x10 +18 or +38. From what I have read, around +35 should work. Fender work can come later to accommodate the wheels.
    Simplify, then add lightness.

  • #2
    Why stagger? 275/40/17 is a really tall tire, I wouldn't bother with them.
    ~1992 240SX, SR20/Koni track day car
    ~2016 M3, daily driver

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    • #3
      I'm running your staggered setup on a s14, but not an s13. I can say is does make for some under steer at times if you aren't aggressive with the throttle.

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      • #4
        Originally posted by turtl631 View Post
        Why stagger? 275/40/17 is a really tall tire, I wouldn't bother with them.
        2400lbs with a 350/400 5.3 V8.

        More tire please.
        Simplify, then add lightness.

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        • #5
          I run 17x9.5 +38 in back with a 255, and 17x9 +22 in front with a 255. The +38 gets me 10mm more clearance.

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          • #6
            Bear in mind: Width isn't the answer for more traction, stickier tires is.

            Unless you're talking taller sidewalls for more flex, etc...i.e., drag racing stuff. But for a autocross / road course car...stickier first.

            What tires are you using now?

            - Brian
            '96 240SX | KA-T - 320rwhp @ 12psi | ~2700lbs
            Koni 8611 & GC's - 600/450 | RPF1's - 17x9.5

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            • #7
              I believe I have the 17x10 RPF1s in back with 275/40/17 Nitto NT05s and they fit without rubbing. I don't know the backspacing though. I have rolled/pulled fenders but no widebody (yet).

              I really wish there was a 17x10.5 or 17x11 off the shelf RPF1 option without having to go to the expense of CCWs, so I could run 315s. For this I would run overfenders and less offset. And yes, I know that some people like to stick to 255s on an S13, but I like to have better traction with a little more power it seems, and the 275 Nittos run a little small; they are darn near identical in size to 265 Direzza Star Specs.

              And lastly, e1_griego and others here have far more autox experience than I do, so their opinions are more valuable than mine...

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              • #8
                More seat time!

                Don't worry about the parts At least get some more seat time before upgrading more parts.

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                • #9
                  11" wide tire in the back with +37 offset for me... No pull, roll only but probably didn't even need that.



                  275 a6s btw

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                  • #10
                    Originally posted by orion View Post
                    Bear in mind: Width isn't the answer for more traction, stickier tires is.

                    Unless you're talking taller sidewalls for more flex, etc...i.e., drag racing stuff. But for a autocross / road course car...stickier first.

                    What tires are you using now?

                    - Brian
                    I do intend to do some drag racing, and I will likely have a dedicated wheel+tire combo in the rear for that.

                    If wider isn't necessary then I will stick with my 225/50/16 dunlop direzzas on Z32 wheels. The wider you go the more expensive they get...
                    Simplify, then add lightness.

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                    • #11
                      16 inch tires in the proper heights for these cars have pretty big sidewalls, same issue as the 275/40/17s. 245/40/17 or 255/40/17 all around is the hot setup IMO as they are common sizes, stock height, and relatively wide for the weight of the car. Going to a taller, wider rear tire for more bite is probably going to make the car slower overall, and at the very least make the handling characteristics less pleasant.
                      ~1992 240SX, SR20/Koni track day car
                      ~2016 M3, daily driver

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                      • #12
                        275/40-17 sucks as a tire. 16" tires suck too for the most part, although a 245/45-16 might be semi liveable. Not many tires come in 16", it's kind of a bastard size that was passed over.

                        255/40-17 is where I'm at, and it is the best I've tried after all the nasty staggered stuff I've tried.
                        '18 Chevrolet Volt - Electric fun hatch for DD duty!


                        DefSport Koni Sleeve and Spring Perch Buy!!!
                        http://www.nissanroadracing.com/showthread.php?t=5902

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                        • #13
                          18's are definitely the way to go if you want anything over 255's. or 16" slicks...
                          Originally posted by Jason M
                          I have no chance to win without the Giken...

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                          • #14
                            Originally posted by Def View Post
                            275/40-17 sucks as a tire. 16" tires suck too for the most part, although a 245/45-16 might be semi liveable. Not many tires come in 16", it's kind of a bastard size that was passed over.

                            255/40-17 is where I'm at, and it is the best I've tried after all the nasty staggered stuff I've tried.
                            255/40/17 on a set of RPF1's is what I was planning on running, but I'm not sure if I will have traction issues with my V8. I can still run a 17x10 in the rear with a 255 and go with a different tire later if need be, which brings me back to my original question. What offset for rear wheels? Anybody on here running an RPF1 17x10 on an S13?
                            Simplify, then add lightness.

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                            • #15
                              Originally posted by speed_demon View Post
                              If wider isn't necessary then I will stick with my 225/50/16 dunlop direzzas on Z32 wheels. The wider you go the more expensive they get...
                              I guess I should have stated: Once you reach the size that is fit easily under the fender...then go with a stickier tire, rather than make drastic modifications to fit a tire one size up.

                              The benefits of the better tread compound will far outweight the same tire in a 275 versus a 255.

                              Originally posted by speed_demon View Post
                              255/40/17 on a set of RPF1's is what I was planning on running, but I'm not sure if I will have traction issues with my V8. I can still run a 17x10 in the rear with a 255 and go with a different tire later if need be, which brings me back to my original question. What offset for rear wheels? Anybody on here running an RPF1 17x10 on an S13?
                              I think that the easy fit for S13's (rolled fenders) is 17x9, +20-ish.

                              And that's about the limit up front.

                              In the rear, you could do the 9", 9.5", or 10".

                              On my old S13 daily-driver...I used to run a 9", +35 with a 255/40-17. Easy fit.

                              So my reccomendation: 9", around a +20 offset up front...and 9", +35 in the rear.

                              ...

                              Are you staying with the 4-lug, or going to 5-lug? That will open up the wheel choices.

                              In the 5-lug, the RPF1 is made in 9", +22...and 9.5", +38 (IIRC).

                              - Brian
                              '96 240SX | KA-T - 320rwhp @ 12psi | ~2700lbs
                              Koni 8611 & GC's - 600/450 | RPF1's - 17x9.5

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