I stripped the paint from the car, using a combination of chemical strippers...
...and an orbital sander with a dust bag attachment. My oldest daughter helped out a lot with the sander - she did all the fenders for me. Here I'm showing her the technique (good: proper eye/ear/dust protection; bad: inadequate clothing and no gloves...)
It's amazing how much work this is.... the stripper just never gets enough of the paint by itself.