Originally Posted by MattTHEpainter
Sounds like the previous installer put the kit on incorrectly. I would suggest molding the kit, a riveted wide body always looks unfinished. The problem with attaching fiberglass panels to metal is the difference in thermal expansion of the materials. Use the 3M panel bond correctly and there should not be any problems. Here's a link to help:
Follow that for the application, then use a fiberglass style filler for any seams. Smooth with a flexible polyester, then prime.
I'm currently installing an Aerosim wide body on my GC and will have the process here:
Let me know if you have any specific questions, this is an extremely broad topic and you might want to wait for my write up to be done.
Post pictures of these cracks/rusted areas.
I never intended on leaving it riveted, just to attach the panels with panel bond as shown in the wallchart and painting over like that. So the kit looks more flared than a smooth transition.
I think with this situation I will attach the panels like I originally intended and then see how they look and update this forum as I go.
As for pictures of the rust... i'll get some tomorrow when its sunny.
Thanks for the help, its really appreciated