Need help on tire size
08-31-17, 08:30 PM
#16
Driver
Thread Starter
Wow...and wow!! If there was a list of biggest wheels on an IS, you'd be at the top.
I'm surprised the front isn't rubbing. I think it's safe to say lowering the vehicle is out of the question.
If you intend on keeping the 20's, and the front isn't rubbing, then just leave it as is.
For the rear, because the rim is 20X10.5, you're very limited on what you can do.
Going to a 265/35/20 is your only option, and hope it doesn't rub.
And you might be thinking why not a 265/30/20...simply because the tire is too small for a 10.5 inch rim...it has to do with the sidewall height.
The limit for a 265/35/20 is a 10.5 inch rim...265/30/20, the limit is a 10 inch rim.
The bad news is going from a 275/30 to a 265/35 will only reduce the overall width of the tire by half an inch. If you need more than a quarter inch of clearance where it's rubbing, then the 265/35 won't resolve your issue.
If there is an possibility of swapping out the rear rims for a 20X9.5 or even a 20X10, I'd do that first and then get proper tires that will fit.
Does the front rub?
Is the rear rubbing on the fender?
I'm surprised the front isn't rubbing. I think it's safe to say lowering the vehicle is out of the question.
If you intend on keeping the 20's, and the front isn't rubbing, then just leave it as is.
For the rear, because the rim is 20X10.5, you're very limited on what you can do.
Going to a 265/35/20 is your only option, and hope it doesn't rub.
And you might be thinking why not a 265/30/20...simply because the tire is too small for a 10.5 inch rim...it has to do with the sidewall height.
The limit for a 265/35/20 is a 10.5 inch rim...265/30/20, the limit is a 10 inch rim.
The bad news is going from a 275/30 to a 265/35 will only reduce the overall width of the tire by half an inch. If you need more than a quarter inch of clearance where it's rubbing, then the 265/35 won't resolve your issue.
If there is an possibility of swapping out the rear rims for a 20X9.5 or even a 20X10, I'd do that first and then get proper tires that will fit.
Does the front rub?
Is the rear rubbing on the fender?
The front doesn't rub cause it's still stock height but if i plan on lowering it in the future, it'll probably rub.
The rear is rubbing on the fenders on bumps.
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