I will be refinish one of my 1980 Triumph cars and changing the color. There are areas that it is impossible to sand such as behind the grill, over the fender wells in the trunk etc, but I would like to spray some color over them. Most of them are rough finished with the original color now. The OEM paint is a 2 part acrylic/hardner type.
Will using the liquid sand sold in hardware stores leave enough of a porous finish to hold paint