I may know your Problem....and can help
Sir, you have to at least tape off all your edges...2inches. then some one with experience should block the car out with 2000 wet snd paper. clean wrm water and soap in bucket. with soft block. then repeat same thing in a cross hatching motion with 3000 da paper with the soft block....this will take day then the next day for (wool) then white foam pad, with compound, then after car tape removed....do not touch with rag.... go right to the black foam pad polish ......your compound should be 3m also call me at Rocco`s collision repair in Philadelphia pa.....215 756-3888 my name is Alfred Morrell.:driving: