2001 Ford Expedition Changing wheel size

Tiny
MDFORD
  • MEMBER
  • 2001 FORD EXPEDITION
Tires and Wheels problem
2001 Ford Expedition V8 Two Wheel Drive Automatic

What do I need to know when changing wheel size from 16" to 18".
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Tuesday, September 28th, 2010 AT 10:50 PM

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Tiny
WRENCHTECH
  • EXPERT
You need to know the formula for selecting the correct tire size. You have to maintain the same overall height to prevent other problems. Obviously, you also need to check clearance.

The formula for that is.

For every rim size you move up you increase the section width by 20mm and reduce the aspect ratio by 10

Example.

A plus 1 application for a 225/70/15 would be 245/60/16
A plus 2 application would be 265/50/17
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Wednesday, September 29th, 2010 AT 7:48 AM

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