dont worry about it 2 much.. I had mine at the rolling road tuesday, not only did it loose compression on 2 cylinders he reversed the car outside and f**ked two of my wheels aswell... if its light marking on yours it car be done without 2 much hassle... ive had nasty marks which ive 800grit wetndried then 1200, 1500. 2000 then buffed with some compound and they have looked mint...