Never throw away kits. Save them for parts. I have no idea what will strip that paint, but Castrol Super Clean not purple power will strip just about anything. The extra money for the name brand is worth it. I have both and the Castrol works better. Put the kit in something and let it soak for a few days, you are not going to hurt it. I just got a car that was sitting in the soup for over 2 months and its OK. With true lacquer you might want to try 90% alcohol . Some guys for years have used oven cleaner which is lye, I don't like being around or smelling that stuff. And lastly brake fluid which worked well on metal parts but not so much on plastic at least for me. As most people here will tell you is practice practice practice what ever paint and equipment you decide to use. Good Luck