Anybody running 255 tires on 19x8 wheels?

[belzebutt]

I think factory 19" wheels are usually 8.5 if I'm not mistaken, does anyone have pics of 255/35-19 tires on 19.8 wheels? I want to see how much the tires stick out.

[belinko]

better make sure they're 8.5" wide for a 255 profile, 8" = no go.

255's are the max that you can get out of a 8.5" wide wheel. Most people run a 9 - 9.5" wide wheel for 255's. Sometimes I run a 255/35 all around on a 8.5" wheel.

just think the tire measures 255mm = 10.04in

[liberty603]

better make sure they're 8.5" wide for a 255 profile, 8" = no go.

255's are the max that you can get out of a 8.5" wide wheel. Most people run a 9 - 9.5" wide wheel for 255's. Sometimes I run a 255/35 all around on a 8.5" wheel.

just think the tire measures 255mm = 10.04in

im getting the recommended 255/35 R19 & 19X8.5 wheels anyways, but just curious to know, besides the cosmetics why is 8" on 255's a no go?

[coolwater]

Actually some higher profile tires (45+) allow for 255 on a 8 inch rim...
So I'd say it is do-able, but not within manufacturer specs.
Since you are going with 8.5 rims, it's a moot point.



-cW

[jordancl]

If you read the post you quoted, Belinko is showing you that a 255mm tire is 10inches wide. Thats a bit too wide for a wheel thats only 8 inches wide. DUCY?

[belinko]

This graphical representation is very helpful for tire setups.

http://www.rimsntires.com/specs.jsp

[belzebutt]

Actually some higher profile tires (45+) allow for 255 on a 8 inch rim...
So I'd say it is do-able, but not within manufacturer specs.
Since you are going with 8.5 rims, it's a moot point.

Actually I have 255 winter tires that I had mounted on 8.5 rims before but I found an 8" set that I'd like to use for winter now and I want to know if the 255 tires (which are still in great condition) are usable on 8" wheels. It's only for 4 months of the year so I'm not going to be picky, I just want to know where this lies between "it's OK" and "completely idiotic, forget it".

[shamrok]

I had 255/35s on 19x8 rims on my B7 and it was fine. Tire guy had a little trouble putting one of them on the rim, but got the rest on no problem.

[Aud!]

Should be fine

[belzebutt]

I had 255/35s on 19x8 rims on my B7 and it was fine. Tire guy had a little trouble putting one of them on the rim, but got the rest on no problem.

This is very helpful, do you have any more pics at different angles, e.g. almost head-on?

[abasofly]

That is awesome. I realize this post was over 2 years ago. But I'm about to put some wheels on my car and wanted to know how long your 255-35-19 tires lasted on your 19.8 wheel?

[belzebutt]

I put 255/35-19 Blizzak LM-25 winter tires on 19x8 wheels, and I used them over 4 winters (actually, 2 winters on 19x8.5, 2 winters on 19x8). A couple of months ago I ran over a giant pot hole, bent two rims and broke one tire, so it's game over for that set. Too bad, because I would have easily got another winter out of them.

They handled great and looked OK, but if I were to do it again I would go with 19x8.5 or narrower tires for 19x8. I didn't really like how they stuck out by about 1 cm. The sidewall was straight, but the wheel was recessed into the tire, if you know what I mean. For my next set I'm leaning towards 255/35-19 with 19x8.5. Different tires have different widths given the same spec, so results may vary.

[Audi Junkie]

https://www.tyresizecalculator.com/c...rim-size-chart

[Traptalk]

I’m running 255 on a 18x8 and on my 19x9.5 I ran a 255 as well. The 19” wheels were et47 and I ran them on 10mm spacers on all 4 corners and they were pretty much flush.

[Smac770]

Manufacturers have specs regarding allowed rim width for their tires.
For example, the Michelin Pilot Sport A/S 3+ in 255/35R19 XL 96Y says: Rim Width Range (Min/Max): 8.50" - 10.00".
One guy mentioned Blizzak LM-25. Seems those are old (as is this thread), but if we look at that size for LM-32, same as the Michelins: 8.5-10.0
People posting "I did it and I survived" should not be taken as authorization to ignore the tire manufacturer.

Trap mentions 255 on an 18x8. And this is where it becomes clear that you have to check the specific tire spec.
If we look at the same Michelin tire but 255/45R18 99Y: Rim Width Range (Min/Max): 8.00" - 9.50"
No idea what tire he ran, using the tire I use (though I see PS 4 AS is finally out now) for the example.
So we see at the 18" size, it's possibly legitimate to use an 8" rim.

[A4x]

It's generally more asthetically pleasing to run a narrower tire on a wider rim. This gives a bit of "stretch".

A 255 on an 8 inch wide rim will be the opposite of stretch, and does not look very good. It is also on the borderline of being a safety issue.

[Traptalk]

Manufacturers have specs regarding allowed rim width for their tires.
For example, the Michelin Pilot Sport A/S 3+ in 255/35R19 XL 96Y says: Rim Width Range (Min/Max): 8.50" - 10.00".
One guy mentioned Blizzak LM-25. Seems those are old (as is this thread), but if we look at that size for LM-32, same as the Michelins: 8.5-10.0
People posting "I did it and I survived" should not be taken as authorization to ignore the tire manufacturer.

Trap mentions 255 on an 18x8. And this is where it becomes clear that you have to check the specific tire spec.
If we look at the same Michelin tire but 255/45R18 99Y: Rim Width Range (Min/Max): 8.00" - 9.50"
No idea what tire he ran, using the tire I use (though I see PS 4 AS is finally out now) for the example.
So we see at the 18" size, it's possibly legitimate to use an 8" rim.

Running ps4s I believe a 255/40/18 maybe they are 45 I can’t remember.

I just went with what my tuner/install shop suggested for width for better traction/less wheel spin.

Sounds like they are more comfortable going with a wider tire than stretching a tire

[Traptalk]

It's generally more asthetically pleasing to run a narrower tire on a wider rim. This gives a bit of "stretch".

A 255 on an 8 inch wide rim will be the opposite of stretch, and does not look very good. It is also on the borderline of being a safety issue.

I’m not really a fan of the stretched look. Looks ricey to me and I like race car stuff

It gives a nice wide look and stance without bulging over the rim. Similar to drag cars running radials. Fills up the well nicely and they drive better than any wheel/tire combo I’ve had before even with few bent wheels

Talk to your installer or shop. I’d go with what they are comfortable
Doing and recommend since they will have to stand buy their work and should take responsibility for giving you bad specs to run

In cars making more power narrow tires will just spin more frequent and launch terribly and have less traction and that to me is more of a safety risk

[Smac770]

Running ps4s I believe a 255/40/18 maybe they are 45 I can’t remember.

PS4S has more options at 255/xxR18 than PSAS3+

255/35R18 XL 94Y - section width on measuring rim width: 10.20" on 9.00", rim range: 8.50" - 10.00"
255/40R18 XL 99Y - section width on measuring rim width: 10.20" on 9.00", rim range: 8.50" - 10.00"
255/45R18 XL 103Y - section width on measuring rim width: 10.00" on 8.50", rim range: 8.00" - 9.50"

Curious that the taller sidewall fits to a narrower rim range. Maybe that's how it delivers the higher load rating, not being spread as much? Section width is the fat width of the tire, not the tread width. Section width, according to the net, will change by .2" for each .5" of rim width change. So that 10.2" on 9" would be more like 10.6" on 10", or 10.0" on 8.5".

I just get the current Michelin PS AS in my stock size and call it a day. I don't have to worry about wheel spin running my flappy wastegate. :-)

[A4x]

I’m not really a fan of the stretched look. Looks ricey to me and I like race car stuff

I wasn't talking about stretched in the way we see some of those idiots out on the streets I hate that look too and it is dangerous.

Any tire/ rim combo will be somewhere on the spectrum of stretched or overhang. No tire will perfectly match the rim width.

I'm advocating for a slight stretch (narrower tire, wider rim), nothing extreme like some idiots have. In fact there are engineering studies out there that show this moderate and perfectly safe preload of the sidewall gives a stiffer tire and better traction and handling.

If the tire is wider than the rim, the sidewall might have a mushy or wandery feel to it. Plus it looks like crap, IMO.

Fun fact: one manufacture's 255 tire will be narrower/wider than another manufacturer's 255 tire. Its not the exact same across manufacturers.

[Traptalk]

Guess it depends on your goals too

If you’re only going for looks and aren’t pushing the car into corners and stuff won’t be as much as a risk.

From a weight saving standpoint, I’d want the narrowest rim possible