Equation for tire clearance with changes in offset

[1BADNSX]

I was doing some calculations for how much the wheel sticks out compared to the fender when changes are made to both the wheel width and offset. The following equation will quickly tell you how much farther the outside of the wheel sticks out compared to the stock wheel:

Outside Change (positive is further out) = NewWheelWidth/2 – OldWheelWidth/2 + OldOffset – Newoffset

The next equation will tell you how much further the new wheel will protrude inward:

Inside Change (positive is further in) = NewWheelWidth/2 – OldWheelWidth/2 – OldOffset + Newoffset

I posted this to the email list and thought this group may also be able to use it.
Bob Butler

 

[ncdogdoc]

If you are lazy like me you can just go here and type in the numbers. Bob checked this site against his formula, and they gave the same answers.

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Gary Yates
1995 Red/Tan