I did a lot of searching on how to do this and came up with tons of info but not many pictures, so thought I would post how I made the wheels fit incase anyone else was thinking about fitting gm wheels on their Dodge.
The wheels we have are Hummer H2s that we had on a 01 GMC Duramax, we want to fit them to a 2012 Cummins.

Problem is the hub centre needs to be opened up to 4 3/4 inches. I used the router method with a 1/2 inch flush cut carbide bit as I learned on the google search.
There is a nice groove the factory put in the rim that the bearing at the end of the bit can follow and is at the 4 3/4 inch size needed.

The way to do it is from the backside of the wheel. Set the depth of the router to the groove and start milling!
Only takes a couple minutes to do one wheel.

I cleaned up the cut with a sanding wheel on a drill just to make it a bit nicer.

The wheels we have are Hummer H2s that we had on a 01 GMC Duramax, we want to fit them to a 2012 Cummins.
Problem is the hub centre needs to be opened up to 4 3/4 inches. I used the router method with a 1/2 inch flush cut carbide bit as I learned on the google search.
There is a nice groove the factory put in the rim that the bearing at the end of the bit can follow and is at the 4 3/4 inch size needed.
The way to do it is from the backside of the wheel. Set the depth of the router to the groove and start milling!
Only takes a couple minutes to do one wheel.
I cleaned up the cut with a sanding wheel on a drill just to make it a bit nicer.
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