I used a needle scaler also but I can see where it might not work with other cars. I had the black undercoating on the car(barracuda) that was hardened and it came off fine with a needle scaler. But, the 69 Superbee has the snot colored stuff on it that seems more gooey. If anyone chooses to use the needle scaler, spend the money and get the Ingersol Rand unit from Northern Tools. I used the one from Harbor freight and it lasted all of about 5 hours and the local store told me to pound sand on an exchange, it was a factory warranty. The two units look identical but the IR unit has lasted.

By the way, if anyone is near Challenger1, take him up on his offer for removal and media blasting. Both jobs are time consuming and well worth the money spent to have others do it better and faster.