In December I decided I wanted another sports car. Bought a dirt cheap 15 year old Crossfire (aka 320slk Mercedes Benz with a different body) with nearly opaque and slightly yellowed plastic headlight lenses. Bought the $18 rainex drill powered 4 stage kit, that started at 1500 grit but I hand sanded an additional 2000 grit stage, before moving to the other stages. I...