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VWW Official MKIV Wheel Q&A

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  • Thanks for the quick reply boys so that means that the biggest wheel tyre combo I can go to is 17inch + 45mm ( +15) and 1 inch wider ?


    Sent from my iPhone using Tapatalk
    2004 VW Bora v5 Auto

    Hairy_mic' custom audio build http://www.vwwatercooled.com.au/foru...ent-85117.html

    Comment


    • You need to work out the rolling diameter first.
      Its basically the diameter of the wheel plus 2x the height of the sidewalls. All can be worked out based of the tyre size. 225mm is the width of the tyre in mms, 45 is a percentage of the tread width (i.e.45% of 225mm) and r17 is radial 17" wheel.

      So for a 225/45r17 tyre, the rolling diameter is 2(0.45(225))+(17x25) = 634mm. Therefore, if that is the biggest wheel&tyre combo (rolling diameter that is) then you can fit any size rim and tyre that together is no more than 659mms in diameter. (Provided the tyre meets the cars min load rating).
      This works the same for fitting smaller diameter wheels & tyres, however generally manufacturers don't vary the diameter much.
      Originally posted by MightyCarMods
      I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

      -| "Laura" - 2001 Bora 4-motion (now sold) |-

      Comment


      • Awesome, cheers m8


        Sent from my iPhone using Tapatalk
        2004 VW Bora v5 Auto

        Hairy_mic' custom audio build http://www.vwwatercooled.com.au/foru...ent-85117.html

        Comment


        • Anyone ever seen a 215/45r18 tyre on a 18x8.5" rim?

          Trying to find a picture but coming up dry.

          Ideally would like to stretch a 215/40 but the load rating of 89Y is too low for my car. Needs to be 91 min. 215/45r18's are 93W and almost smack on the same rolling diameter as factory.
          Originally posted by MightyCarMods
          I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

          -| "Laura" - 2001 Bora 4-motion (now sold) |-

          Comment


          • Originally posted by RubAVeeDubDub View Post
            Anyone ever seen a 215/45r18 tyre on a 18x8.5" rim?

            Trying to find a picture but coming up dry.

            Ideally would like to stretch a 215/40 but the load rating of 89Y is too low for my car. Needs to be 91 min. 215/45r18's are 93W and almost smack on the same rolling diameter as factory.
            wont find someone on a mk4 doing it as its too big. Better just to go a 225/40/18 if load rating is a worry
            Bora gone
            Vento VR6
            MKIV GSW TDI
            7P Touareg TDI

            Comment


            • Originally posted by dylan8 View Post
              wont find someone on a mk4 doing it as its too big. Better just to go a 225/40/18 if load rating is a worry
              Rolling diameter wise - it's practically the same as the factory setup. I currently have bora stockies with 225/55r16 tyres and the rolling diameter of a 215/45r18 works out to be about 2.5mm less.

              Is it to do with the fact that the tyre is too wide and high and slams into the suspension/bodywork ?

              I'm at a bit of a crossroad - 225/40r18 for right load rating but very pretty average look or go for a sweet looking stretch at 215/40 and risk the lower load rating >.<
              Function > Form or Form > Function?

              Decisions, Decisions!!
              Originally posted by MightyCarMods
              I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

              -| "Laura" - 2001 Bora 4-motion (now sold) |-

              Comment


              • I really am whoring out this thread. Dylan you must get a shiver down your spine when you seen I've posted AGAIN. *Sigh*

                Still loving the concave look and also have come across some Avant Garde M310's that are very similar in appearance to the Miro111's but they're made with forged aluminium and are meant to be better quality built than the Miro's.

                The M310's come in a nice variety of sizes. All are ET30, and for 18" they have widths of 8",8.5",9",& 9.5".

                The trick is finding a retailer AND more importantly; working out which width rim would I want to ensure wheels don't stick out too much past the guards (on the line or tucked under would be perfect).

                Any suggestions on which width would be best?
                Originally posted by MightyCarMods
                I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

                -| "Laura" - 2001 Bora 4-motion (now sold) |-

                Comment


                • Originally posted by RubAVeeDubDub View Post
                  Rolling diameter wise - it's practically the same as the factory setup. I currently have bora stockies with 225/55r16 tyres and the rolling diameter of a 215/45r18 works out to be about 2.5mm less.

                  Is it to do with the fact that the tyre is too wide and high and slams into the suspension/bodywork ?

                  I'm at a bit of a crossroad - 225/40r18 for right load rating but very pretty average look or go for a sweet looking stretch at 215/40 and risk the lower load rating >.<
                  Function > Form or Form > Function?

                  Decisions, Decisions!!
                  stock size tyres are
                  195/65/15
                  205/55/16
                  225/45/17
                  225/40/18 (r32)

                  must have the wrong size tyres on your wheels
                  Bora gone
                  Vento VR6
                  MKIV GSW TDI
                  7P Touareg TDI

                  Comment


                  • Originally posted by RubAVeeDubDub View Post
                    I really am whoring out this thread. Dylan you must get a shiver down your spine when you seen I've posted AGAIN. *Sigh*

                    Still loving the concave look and also have come across some Avant Garde M310's that are very similar in appearance to the Miro111's but they're made with forged aluminium and are meant to be better quality built than the Miro's.

                    The M310's come in a nice variety of sizes. All are ET30, and for 18" they have widths of 8",8.5",9",& 9.5".

                    The trick is finding a retailer AND more importantly; working out which width rim would I want to ensure wheels don't stick out too much past the guards (on the line or tucked under would be perfect).

                    Any suggestions on which width would be best?
                    don't stress, its the idea of this thread. I got sick of answering the same questions over and over via PMs, atleast if its here in public space its easier for other people to research and make the decision for themselves.

                    those sizes you have listed. Personally if it was for my car and daily when I was on coils id go the 8.5et30 and 9et30 option (what I ran on the dials for 90% of the time I had them on the car. I ran a 215/40 up front and 225/40 out back
                    Now, differences will be how you have your car set up. lows being the first variable, and the rear of the 4mo being the second.

                    Front if you had it similar height to me the 215/40 would be best bet. if it was any higher id look at trying to get a 225/40 under there.
                    Rear, being your rear end track is narrower you might be able to get away with a 9.5et30 (only 6mm more outwards then the 9et30 option) and still keep it inside the guards. If you plan on adding camber arms and straightening out the camber I believe itll become out a fair bit more. (refer to Trickysimons pictures running 18x9.5et40 with camber arms fixing it the neg camber)

                    Best bet is to get the height of the car and the camber setup as you will want it finally, then measure from there
                    Bora gone
                    Vento VR6
                    MKIV GSW TDI
                    7P Touareg TDI

                    Comment


                    • I will be investing in a set of camber adjustable arms. Especially since I'd like to go lower. But before I go low, I'll need to get tension adjustable coilovers as my car compresses too much over driveways/speedhumps and i'm finding the back exhaust tips smashing against my expensive Oettinger rear valance (already has 3 massive cracks around the exhaust).

                      Back to getting a set of the overly commom Miro Type 111's. Not going to get the 9.5" ET40 due to it being a potentially very tight fit.
                      Planning to get a set of 4x 18x8.5" ET35 wheels instead.

                      Off my calculation, with an approx 5mm spacer my fitament should be similar looking to this:



                      ↑ That is a 18x9 ET30 with 225/40 tyre.

                      Compared to fitting a 18x8.5" ET35 on my bora 4mo -the wheel in the picture has 1/2" more width (12mm approx), and tucks in 5mm deeper with a ET30 offset versus my ET35, totalling 17mm difference. Dylan you said the rear track of the 4mo pushes wheels out 10mm more than a standard fwd bora so I'd end up with 7mm deeper than the wheel in the picture. Add a 5mm spacer and we're only talking 2mm's difference.

                      Is my thinking right?

                      Thanks again everyone for your help! Legends!
                      Originally posted by MightyCarMods
                      I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

                      -| "Laura" - 2001 Bora 4-motion (now sold) |-

                      Comment


                      • Originally posted by dylan8 View Post
                        stock size tyres are
                        195/65/15
                        205/55/16
                        225/45/17
                        225/40/18 (r32)

                        must have the wrong size tyres on your wheels
                        Certainly seems so :/

                        I was given them as stock wheels to use by the previous owner's mechanic. Doing some quick checks and my 225/55r16's actually have increased my RD to beyond 3% compared to the factory fitted tyres.
                        Damn. That was unexpected.
                        Originally posted by MightyCarMods
                        I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

                        -| "Laura" - 2001 Bora 4-motion (now sold) |-

                        Comment


                        • 4mo track is NARROWER then FWD, so itll be less agressive.
                          Bora gone
                          Vento VR6
                          MKIV GSW TDI
                          7P Touareg TDI

                          Comment


                          • Originally posted by dylan8 View Post
                            4mo track is NARROWER then FWD, so itll be less agressive.
                            So effectively, the wheel will push out 10mm more towards the guard than for a fwd version Bora?

                            That would mean no spacer at all.

                            The 225/40 on a 9" is a nice stretch. The 215/40 would look best but then that old chestnut of load rating rears its ugly head again.
                            I do have a full set of 215/40 KU31's with 80% tread lying around so might as well make use of them instead of offshelling them for cheap.
                            Last edited by RubAVeeDubDub; 02-01-2014, 01:16 PM.
                            Originally posted by MightyCarMods
                            I'd rather lose by a mile because I built my own car, than win by an inch because someone else built it for me. Your car is your story, so don't let someone else write the book.

                            -| "Laura" - 2001 Bora 4-motion (now sold) |-

                            Comment


                            • Hi guys just after some thoughts on a set of wheels I've found and was wondering if they will fit my MK4 1.6L Golf.
                              They're Lenso LS5 19x8 in Hyperblack with a 5x100 Stud Pattern and +42 offset.
                              I found them today and they are at a price that is worth thinking about.
                              Yes i also know i will capture some unwanted attention with these being a p plater.
                              Lowering will be on the agenda in the near future.

                              Click image for larger version

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                              Heres the fitment details of what i can gather.. with me currently running stock 14s at stock height.


                              Cheers,
                              Nathan
                              __________________________________________________ ______
                              MK4 GTI - Reflex Silver - <<<Click for Build!<<<
                              -Previously Owned a MK4 1.6L Golf - Reflex Silver

                              Comment


                              • They'll fit on the car Nathan, but not sure if they'll clear coilovers (if you're running them) with that offset. Also, the ride on 19's can be a nightmare and unless the car is low they can look silly big

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