Readers ask: What Tire Size For A 18X9.5 Wheels On A Sports Car?

What tire goes on a 18×9 5?

18×9. 5″, 38mm (as you have stated you’ll be purchasing) with 245/40-18’s. I think I could get away with 255/35’s, but wider means more rolling resistance, and a shorter than stock tire means false mileage quicker than the stock height. I went the other direction, as the 245’s are a little taller.

How do I match my tire size?

How to Size Your Tires

  1. Multiply the width by the aspect ratio expressed as a decimal (225 x 0.55 = 123.75).
  2. Convert the aspect height to inches (123.75 / 25.4 = 4.87).
  3. Multiply the aspect height by 2 (4.87 x 2 = 9.74).
  4. Add the inside diameter of the tire (16 + 9.74 = 25.74).
  5. Repeat for the size of the new tire.

How do I know if my tire will fit my rim?

Width and diameter are the two factors that determine tire and rim compatibility. For diameter you’ll need to be sure that your tires and wheels are an exact match, e.g. a 215/65R17 tire will only fit on a 17″ diameter wheel. There’s a bit more flexibility when it comes to wheel widths.

Can you fit a 275 tire on a 8 inch rim?

If you are looking to use 275 40 17 drag radials on an 8 rim at the track they will be fine.

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What tire size is equivalent to 33 inch tires?

YES, 285 wide tires are the same as 33” tires although 285 is the tread width in millimeters and 33″ is the tire diameter. 285/75/16 is usually the accepted metric equivalent size for 33’s.

What size rim fits a 315 tire?

Mickey Thompson recommends a 10″ rim for the 315’s.

Can I use 235 tires instead of 225?

01. Are 225 and 235 Tires Interchangeable? Yes, they are. However, this is only possible if your car’s rims can accept the larger millimeter.

Is it OK to go up one tire size?

It’s possible to change the size of your tires without actually changing the diameter. Generally, you don’t want to go with tires that have a diameter that is more than 3% different from the factory tires. It’s also a good idea to consult with a trusted mechanic before switching to larger or smaller tires.

Can I replace 18 inch wheels with 17 inch?

By matching lower-profile tire sizing to larger-diameter wheel size, speedometer and odometer readings should change only a little, if at all. But replacing a standard 17-inch alloy wheel with an 18- or 19-inch alloy rim will add weight — unless it’s an expensive, lightweight type. Bigger wheels cost more money.

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