I'm running 255/45/20 on 20x8.5 ET40 Fast FC05. They are exact same height as my OE 235/65/17. I don't need tires this year yet but started researching a bit regardless. I found the swedespeed project XC90 article said 265/45/20 was recommended by HEICO. It's oversize... Anyone running 265/45/20 or 275/40/20? What rim width and offset?
I am contemplating the 265, but they're considerably more expensive than the more common 255 it seems.
I asked HEICO about that recommendation and they replied: "just 265/45R20 and 275/40R20 (275 just with 5 mm Spacer) are possible and allowed to install on the XC90 type 275 with our rim. These sizes are checked and confirmed from European and German audit and testing organisations. Please understand, if a tuner like HEICO develop a rim. The rim must be a bit bigger; the tire must be a bit wider than a OE rim from car manufacture. Customer expect this and decides for a rim from a tuner."
I'm running 255/45/20 on 20x8.5 ET40 Fast FC05. They are exact same height as my OE 235/65/17. I don't need tires this year yet but started researching a bit regardless. I found the swedespeed project XC90 article said 265/45/20 was recommended by HEICO. It's oversize... Anyone running 265/45/20 or 275/40/20? What rim width and offset?
I am contemplating the 265, but they're considerably more expensive than the more common 255 it seems.
I asked HEICO about that recommendation and they replied: "just 265/45R20 and 275/40R20 (275 just with 5 mm Spacer) are possible and allowed to install on the XC90 type 275 with our rim. These sizes are checked and confirmed from European and German audit and testing organisations. Please understand, if a tuner like HEICO develop a rim. The rim must be a bit bigger; the tire must be a bit wider than a OE rim from car manufacture. Customer expect this and decides for a rim from a tuner."
Updated my build thread, they do rub in the rear when vehicle loaded up. Not sure what I'm going to do just yet.
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