As the title says, I'm going to repaint my engine bay, the original factory paint is good.

the reason I need to epoxy, is because I'm painting in cellulose and want to seal the old paint

Can I use green scotchbrite pads to scuff the surface before applying epoxy primer, the reason i ask, is because the engine bay is not easy to sand with paper and the pads are more maneuverable into small nooks and crannies.

is the grit enough?

i believe green equates to about 320 (any bare metal will be prepped with a coarser grade sandpaper - 120).


but to scuff original paint , is green pads enough for the epoxy primer to stick?

thanks for the help

you should be good to go. I will sometimes use a little Comet cleaner and do it wet, scuff and clean at the same time. swap your pad frequently as they do wear out.
Jay D.