To "curl" the inside lip of the fender flat to allow more clearance.

 

how do you do that and with what tools?

 

Several ways it can be done. What I did was I used a small diameter "bat" about 2-3" in diameter. I laid it against the tire, pushing down on it causes it to come in contact with the inner fender lip. I then "rolled" the bat back and forth until I had the lip where I needed it. Just go slow so you won't damage the fender somehow.

I'm sure others have ways they did it.

 

There is a tool for it, or some people use a wooden baseball bat, or you can find a shop to do it.

Here is the Cobalt I was talking about.

 

dang, that Cobalt is sick. and the onelugwheel.com website is very uninformative. really unique setup. anyways. the professional tool for rolling the fenders aren't too hard to use, and you might be able to rent one from an AutoZone/Kragen type place, not sure if they'd have one or not. a buddy and i used one at the local community college in our autobody class to roll the fenders on his 68 Stang, and wasn't real hard. you bolt it on in place of the wheel, adjust the arm, and it has a polyurethane wheel on it, adjust the wheel to the lip, and slowly increase pressure and rock it back and forth.