How do you determine wheel size? Gearing.

Tiny
NJAMBI
  • MEMBER
  • 1998 LAND ROVER LR2
How do you determine wheel size?
Gearing and speedometer accuracy is normally affected when you replace the wheels on a car with larger ones.
Tuesday, October 16th, 2012 AT 8:13 AM

2 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Any change in wheel size would definitely affect speedometer accuracy.

http://en.wikipedia.org/wiki/Wheel_sizing

The above link should be helpful.
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Tuesday, October 16th, 2012 AT 9:05 AM
Tiny
SHIKU
  • MEMBER
  • 4 POSTS
Wheel size is composed of 2 dimensions, the wheel width and wheel diameter. For example, a 22à 9.0 wheel has a diameter of 22” and a width of 9”. You can also check the wheel size by looking at the vehicle owner’s manual or by looking at your tire TIN number.
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Wednesday, October 17th, 2012 AT 8:50 AM

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