18"x9" wheels on 2010 SR5

P

pwood

New member
Just ordered a set of 18" Helo's for my 2010 SR5. I looked at the tire size thread and am trying to figure out if I should just stick with 17". Any help is appreciated!

I'm planning to run 275/65/18's, so I don't think there should be any rubbing, I'll probably lift it 1" just for a bit more clearance.

In the tire size thread, it mentioned that there could be a few issues with 18" tires, but I wasn't able to figure out what they might be. Do I need any offset or spacing? With the tire size I'll be running, it's insignificantly larger, but just want to make sure I'm taking everything into consideration.

TIA!
 
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What's your back spacing? That makes a huge difference in terms of rubbing. Tire size you want to run is basically the stock size equivalent so that helps.
 
pwood said:
"I'm planning to run 275/65/18's, so I don't think there should be any rubbing, I'll probably lift it 1" just for a bit more clearance.

In the tire size thread, it mentioned that there could be a few issues with 18" tires, but I wasn't able to figure out what they might be. Do I need any offset or spacing? With the tire size I'll be running, it's insignificantly larger..."

TIA!
Click to expand...

Hi Tia,

What [MENTION=153213]2016 4Runner SR5[/MENTION] says is true! Now I'm running a '275/55 R20. The stock size on the Limited is 245/60 R20. The first number (275) in the size represents the width of the tire in mm. The second number (55) represents the percentage of the sidewall in relation to the width or 55%. and the third is the rim diameter (20 in inches).

I played it very close to the threshold of a safe distance from the wheel-well liner; I can still touch it with the tire if I crank on the steering wheel (to the stops) and don't slow it down enough when entering a parking lot ramp; then it'll rub slightly! I can correct it but it's not happening enough to cause me any concerns.

But... I think if you go to a 275/60% you're gonna have a lot more rubbing than I'm experiencing because that's 5% more than my 55% and mine is sooo close! Raising the truck won't fix that cuz it's not the height of the truck, it's the diameter of the tire! ...just something to think about BEFORE you drop that cash! 'Best to you',

rig
 
pwood said:
Based on the info in this thread, there shouldn't be any problems with rubbing.

http://www.toyota-4runner.org/5th-g...r-5th-gen-tire-fitment-guide.html#post1550444

I guess my question is more in relation to the 9" width as I believe stock is 7.5". Any insight there? I have no concept of backspacing, and my mind doesn't work that way so I'm having a hard time figuring that out.
Click to expand...

you might need a body mount chop and to push your fender liners forward.

I disagree with [MENTION=83083]rigtec[/MENTION] to a point. A lift can eliminate minor rubbing on flat surfaces as it increases the distance of the tire's max diameter in relation to the body mount.

This is where I agree with [MENTION=83083]rigtec[/MENTION]. If your rubbing is too extreme, then a lift alone will not solve your issue. Additionally, when your suspension is flexing off road or in a pothole situation, the max diameter between the body mount and the tire may decrease and cause the tire to rub. You can address this with bump stop extensions.
 
Tire size

Go Big or Go Home!

Everyone here on T4R.org says that AT tires are less available in 18" wheel sizes. Look at the spec's for any tire you're considering and see how many sizes they have for 18" compared to 17". Some day you'll want a larger diameter tire because it's the best way to get more ground clearance.

I just bought 17x8.5" ICON wheels with 0 offset. The 2LT85/17R70 definitely rub when turning sharply in reverse but the 2" lift I just finished helps that a lot.
 
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