I only used a scotch brite pad with Mothers mag wheel polish on it. The other panel I have is going to need to be sanded like you said. I will used satin clear on that one so it won't oxidize.

70 Charger R/T SE 472 Hemi 70 Charger R/T convertible 70 Charger R/T V Code Sixpack 69 Charger R/T SE Sunroofcar 68 Charger 383 68 Charger 318 71 Charger R/T 70 Challenger convertible 71 Challenger convertible 71 Cuda 340 09 Challenger R/T Classic