69 Camaro wheel well trimming

[cold69]

I've got a 69 camaro with a killer paint job already on it. I just got my Bonspeed wheels in and I need to either trim the lip or roll it on the rear fender wheel wells. I was planning on trimming the inner lips about a 1/4' to 1/2". Has anyone done this already? And if so did you use tin snips or a nibbler or die grinder. I think there is too much metal to use the grinder and I am afraid of heating the metal up too much.

I am not to crazy about rolling the lip because I would cry if I screwed up the paint job. It's taken me way too long to get to this point.



Any help is appreciated.