Rear tires are rubbing on fender!

Youtube is your friend. Just checked out a bunch of rolling fender videos. Interesting option. I’m going to see if shifting the axle is viable. If that doesn’t work, rolling. If that doesn’t work, losing the blocks.
So I would say you need to trim before you roll, the more metal you have on the lip the more stretch youre going to have to deal with as you roll it over. Also, use a heat gun (this is to make the paint more pliable so it does not crack).