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You know I've been debating this very same idea recently. The short answer is that you can put the 275 on a 8.5" rim and get it to mount. However, it's not ideal and pulls at the sidewall likely causing the outer edges to not wear evenly. Also, because those outer edges aren't making good contact the added benefits of a wider tire may be lost, and you may lose some performance in cornering as well. So IMO is better to stick to the recommended width.
Really! Well that would be super awesome then. Means I could actually go with rims I like over rims that would work. I appreciate the feedback @76FoMoCo. My big concern was they claim 9" is minimum 9.5 would be more ideal and to push a half inch sure... but a whole inch not great
yes the tire maker like 9" min and some shops don't like to mount out side the specs but it is really a non issue. I have 2 season on the nt555r2s on all 4 and a mile of track passes too. I will go out to the shop and get some pictures for you guys, I have them off now but you will get a good idea.
Thank you very much exactly what I was looking for!!!
Yes they do.
I looked at the same site. That's not tread width that's tire width at the sidewall. The Tire Rack site shows both in the Specs, but they don't carry Nitto. Discount Tire Direct doesn't show both, either.
The bracketed number, 9.5 in your example above, is the "measured" rim width, and is the spec width that they used to determine the other dimensions (other tire dimensions can vary, depending on the rim width). "Measured"
is the term that Tire Rack uses. Here's an example, using the Tire Rack spec sheet for my front tires. I find it very odd that Nitto does not list Tread Width.
Actually I was going by the fact that it is indicating the optimal rim width to Tread face size. Which if looked up, says rim width should match tread face width. Which will be within a quarter inch of actual tread face width. Most common rims are manufactured in half inch increments. Unless of course they are custom or oddball rims. Please note it says approved rim widths not measured rim width from that particular instance that I posted . It matches up with what I am saying . What you posted also concurs with what you are saying and what i am saying . It just synchronized them both up.
I found this. It seems to deal with Nitto Tires specifically.
That's a decent, but generic, chart. Not sure what their fascination with sidewall height is! In staggered combos, it's common to have one "taller" than the other, but with the same wheel and tire diameters it's irrelevant. My summer tires are 275/40/20 & 305/35/20, but I guarantee no one notices the "taller" front sidewall!
