Paint stripping without a D/A

I blasted all of mine... I know, I know compressor not keeping up... But for some stuff, especially getting through the mud, I used the flapper discs and thought they work exceptionally well for paint and bondo removal. The epoxy primer seemed to love the texture of that surface. They do come in different grit too. Harbor Garbage had several
I'm gonna use a blaster for all the hard to reach places but open flat areas I figured it would be easier and cost effective to just da it off I'm working on the engine bay so there are alot of places a sander wont fit