265 tyre on 8.5 rim??

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doofus4000

Active member
anyone, I may be in the position to get a cheap set of csls - the only thing is that they are 8.5 all around - would a 265 on the rear 8.5 be too much? Ive done a bit of research and some are saying its ok and some are saying no??
 
I've got a 255 on a 19 x 8.5J and thats fine, can't imagine an other 5mm on each side would look wrong, you never going to kerb your alloys though!
 
Personally I would not go wider than 255 on an 8.5 rim as you may compromise the ride and handling although that doesn't mean you can't fit them.
I don't really see any advantage of going that wide and they will have cost you more money.
 
dav to the rescue - thanks lad. im just looking that fat look of the 265's and thats why I asked. would it affect the stability of the wheel then?
 
Tire mfgs will specify a rims size range for each tire size. Most will specify a range for 265/35 - 18's to be fitted to a 9-10.5" rim. Most tire dealer in the US will not mount a tire to a rim that is not in the range specified by the mfg.
 
doofus4000 said:
dav to the rescue - thanks lad. im just looking that fat look of the 265's and thats why I asked. would it affect the stability of the wheel then?
Click to expand...

In respect of your first point are you going to notice an additional 10mm width? I don't think so. At the end of the day the wheel is still only 8.5 inches wide whatever tyre you squeeze on there.

As for the tyre size in relation to the wheel rim width in simplistic terms it is calculated by taking 85% of the tyres sectional width. So your 255 tyre in English is 10.04 inches wide. 85% of 10.04 inches is 8.534 inches which rounded down makes an ideal wheel width of 8.5'' for your 255 tyre.

Simples
 
lol yea Im just going to wait and get the 9.5s when I come back from hols next week. Got caught up in the moment of a cheap bargain. thanks dav, wlh
 
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