Right Size Tire for 10" Rim
#1
Right Size Tire for 10" Rim
First, I want to say sorry if this question has been asked so many times, I searched but I couldn't find an answer to my question. This week I'm planning on going out and buying some new rear ties, but I'm trying to find out what size would be best for my 20" with a 10" width rims. Right now I have 275/35s that the first owner put on the car, but I'm looking to upgrade to 285/30s. Would that be too big for my rim, or fit alright? Thanks for the help.
#2
6th Gear Member
Go to the tirerack website and look and some sampling of tire specs to see what fits a 10" wide wheel. Also, google any of the tire size calculators to help figure out impacts due to going from an OE tire size to a new size. I'd give you a link but I don't have them on my work computer.
#5
285/30-20 is about half an inch shorter than the OE tire sizes. 285/35 is about half an inch bigger. Proper wheel offset will matter more with the 285/35 for fender/sheetmetal clearance reasons. A 10" wide wheel will work with either.
Norm
Norm
#6
Alright I'm kind of confused here, I thought the second number was the ratio size, so in essence you really wouldn't see a difference going between a 35 and a 30, considering that the tread width is getting bigger. As far as I know there isn't a 285/35, so with my size rims I have to get the 30 to get the 285 width. I may be wrong on this though.
#7
285/30-20 . . . 26.7" tall and about 11.2" wide at the sidewall when mounted on a 10" wide rim. Tread width is about 9.4". Sidewall height to the bead is about 3.4", visible part of the sidewall about 2.7", compressed under the car weight maybe about 2.2".
I'm sure that you'd see the difference. Being 10mm wider is not enough wider to make up for 5 points less profile. Rough numbers, you'd have to go at least to a 315/30 to match a 275/35's sidewall height.
As far as I know there isn't a 285/35, so with my size rims I have to get the 30 to get the 285 width. I may be wrong on this though.
There are others.
Norm
Last edited by Norm Peterson; 10-28-2010 at 03:16 PM.
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