Jump to content
SAU Community

"pictures" - Tyre Size Choice For 18X9" Rims (Stretch Vs Flush)

jez NF
 Share

Recommended Posts

jez NF Proficient

jez NF

Posted
Posted

I have 18x9 inch rims.

Deciding what size tyres to get.

Car is lowered on king springs

Tending towards 235 40 and 255 35 OR 225 45 and 245 40

Give me opinions but I want pictures to help me decide....

I like the look of stretch to be honest but want something "reasonably" practical as well.

PICTURES ARE KEY..so put them up if you have any (please)

White GTS-T Mentor

White GTS-T

Posted
Posted

More so than the size, will be the tyre brand, and type, that will affect the look. Example; whether it has a rim protector, sidewall stiffness etc.

Here's a picture of 215/45/R17 Federal 595's on 9.5" TE37SL's. Notice how the Federals are quite 'square' and don't give much of a stretched look.

2013-08-16153234_zps215c1721.jpg

2013-08-16153211_zpsfc46ad9f.jpg

2013-08-16153303_zps844cc109.jpg

simpletool Mentor

simpletool

Posted
Posted

235/40 on 9" rims is a mild stretch and by far the cheapest. If you want mild stretch at a reasonable price there is no other option worth considering, all round.

It's also the right diameter. Otherwise 235/40 & 265/35 rear is a good mix, but 265/35 is not stretch on a 9" but is a good vertical fitment (you'll need offset over 30 to fit).

Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted

265/35/18 Falken Azenis on 18x9

IMG_2510.jpg

But, the tyre design does play a part.

good choice, not a fan of stretch.. if you want a smaller tyre, run a narrower rim

niZmO_Man Grand Master

niZmO_Man

Posted
Posted

255/35/18 (what I had before I put those Falkens on) were slightly stretched, 245/40 was even more (both KU31). 235 would be stretch regardless of tyre design lol. All down to preference.

265/35/18 Potenza TS-02 on same 18x10. Note they have rim protector, which gives a more stretched look.

IMG_2511.jpg

blind_elk Grand Master

blind_elk

Posted
Posted

Tyres are designed to fit a particular range of rim widths. If you "stretch" a tyre, then the rim is probably not within the design range of the tyre. If you run a tyre on a rim that it is not designed for, you run the risk of having insurance invalidated - car will be unroadworthy. And frankly, any tyre technician who stretches a tyre onto a rim should be shot.

Frankly, if you only want, say, a 235 tyre on the car, then get rims designed for a 235 tyre. Don't try and "stretch" them onto a rim designed for a 265 tyre. We'll all be safer on the roads.

jez NF Proficient

jez NF

Posted
  • Author
Posted

Tyres are designed to fit a particular range of rim widths. If you "stretch" a tyre, then the rim is probably not within the design range of the tyre. If you run a tyre on a rim that it is not designed for, you run the risk of having insurance invalidated - car will be unroadworthy. And frankly, any tyre technician who stretches a tyre onto a rim should be shot.

Frankly, if you only want, say, a 235 tyre on the car, then get rims designed for a 235 tyre. Don't try and "stretch" them onto a rim designed for a 265 tyre. We'll all be safer on the roads.

I would like to clarify a few things with you.

Please do not take this the wrong way and THIS IS NOT A PUT DOWN...and while I respect that everyone has their opinions.......

.........However since you were quite "animated" with your response I would like to point out that every single manufacturer / website or person I have interacted with have mentioned that a 9 inch rim should have anywhere between a 235 and 255 tyre !! So first of all running a 265 on a 9 inch rim does not meet your own definition of "roadworthy".

Richards tyrepower suggested a 225 (without me saying a word about any size) just for your information and I have the email correspondence. So please do not shoot them or we will know it is you !! hahahaa

Anyway you rightly pointed out that insurance will be affected with the wrong size tyre and I accept that and thank you for your input.

I have ordered 255 35 18 Ku31s from Tempe ($200 delivered) for the record for the rears. They are out of the other sizes at the moment.

niZmO_Man Grand Master

niZmO_Man

Posted
Posted

I would like to clarify a few things with you.

Please do not take this the wrong way and THIS IS NOT A PUT DOWN...and while I respect that everyone has their opinions.......

.........However since you were quite "animated" with your response I would like to point out that every single manufacturer / website or person I have interacted with have mentioned that a 9 inch rim should have anywhere between a 235 and 255 tyre !! So first of all running a 265 on a 9 inch rim does not meet your own definition of "roadworthy".

Richards tyrepower suggested a 225 (without me saying a word about any size) just for your information and I have the email correspondence. So please do not shoot them or we will know it is you !! hahahaa

Anyway you rightly pointed out that insurance will be affected with the wrong size tyre and I accept that and thank you for your input.

I have ordered 255 35 18 Ku31s from Tempe ($200 delivered) for the record for the rears. They are out of the other sizes at the moment.

Individual tyres will have a range for them. BTW he didn't say that 265 was recommended for 9", but if you see my picture above, it gives a vertical sidewall.

I would stay far away from a tyre shop who says 225 is recommended for a 9" wide wheel.

jez NF Proficient

jez NF

Posted
  • Author
Posted (edited)

Individual tyres will have a range for them. BTW he didn't say that 265 was recommended for 9", but if you see my picture above, it gives a vertical sidewall.

I would stay far away from a tyre shop who says 225 is recommended for a 9" wide wheel.

The picture is 10 inch..i have 9 inch....unless you mean it will almost overlap..and yeah like i said iv already got 255s for the rear

TERRY THANK YOU :)

Edited by jez NF

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Latest Posts

    • CF.Panda
      R34 25GT Engine Light 21

      By CF.Panda · Posted

      I wasn’t able to replicate the sound anymore. It was a one time sound so maybe it was just coincidence but it was like small pebbles being dropped in a coke can.   should I try cleaning the MAF? It could be it’s functioning but dirty? I don’t know.
    • sunsetR33
      Unpeeling the Orange

      By sunsetR33 · Posted

      Update 4: Hi all. The car drives again! Haven't driven for long, only to store it in the garage again, but the test drive was successful. The coolant and oil leaks seem to be fixed for now. Temps on the engine were also very good, while moving I never even saw 80C water during the approx. 30 minute drive. Ate up all the coolant in the reservoir though so will have to fill that even more when I go to the car next time. One thing that pisses me off is that the RPM gauge is still f**ked, I even resoldered the board twice and used copper paste on the silly screws that are used as connections. Next time I take it out I'll take apart the board and fit new components, I'll see if I can get a replacement IC for it.  I have an appointment set for 22nd of September for the engine tune to 370hp. Alignment also still needs to be done. My hope is that I can get all the legal stuff over with by the end of this season. Anyone of you have advice regarding intercoolers? Currently there is an APEXI core fitted, one of those weird hybrid ones, 600x270x76. I don't think it's bad but it's not new and now I still have the chance to change it now to legally include it in the paperwork. Only issue is that the only options that would arrive in time are a HKS Type R intercooler or generic Ebay spec intercoolers comparable to a JustJap one. Ideally I'd order a Plazmaman but it takes over a month to receive which would mean making the car legal has to wait until next season. Would love to hear some input on this. Same story for my injectors, the previous owner was a nunce and put ID 1050x on the engine. They work but are obviously not ideal at "normal" power levels. But I don't see a reason to change them unless the tuner says it's necessary. I read online before buying a different exhaust that the top secret style rear diffusers won't fit due to the size of the rear resonators. My buddy and I made it work by slightly "adjusting the shape" of the mounting bracket and making some spacers out of 3d print for the mounting bolts. Fits like a charm. Just putting this here in case someone has this problem. Even the hefty HKS Silent Hi Power rear can fits without hitting anything.
    • Butters
      UniClutch

      By Butters · Posted

      Well they got my money but they are not getting my gearbox ! 
    • GTSBoy
      ECU sees many times the speed than speedo does (R34 swap)

      By GTSBoy · Posted

      It's needed for rolling idle up, and I think it is a decider on VCT also.
    • Kinkstaah
      ECU sees many times the speed than speedo does (R34 swap)

      By Kinkstaah · Posted

      I mean, not really. Link ECU's can absolutely still have errors from the ECU thinking it's getting a sensor it's not expecting. I would imagine the speed at the ECU level in Nistune does absolutely nothing anyway? I assume the ECU does not do any fancy TC stuff with regards to front+rear wheel speed or anything of that like anyway. Someone who uses Nistune may be more fluent in it. 
×
×
  • Create New...