whats with black cars and t cut? god ive been using tcut for years and had no issues, then i got my first black car evo iv, did abit of tcutting on it and fuck me i just struggle to get the tcut off, my mate has a black rs 2000 and he told me the same thing its some thing to do with black, any one had the same issues, also whats the best thing for scratchers

thanks
andy