Underbody paint advice needed
I used raptor liner for the rear part of the interior in my '66 Dart. I wouldn't worry too much about the thickness at the spring mounts etc. If you're worried about it, you can always go a little lighter in those areas. Or, you could avoid them all together (assuming you plan on using a shutz gun), then thin some material out and hit them with an HVLP gun instead. Don't worry about the plug/grommet holes either. They'll slide right in afterwards.
I'd be careful, about using grease in the bolt holes too. If you do, be very careful to clean off any that gets smeared around the hole where you want to spray with the raptor liner. Maybe use a wad of tape instead, or an old bolt? You could always chase the threads afterwards too.
Read the TDS - it should call out what prep is suggested. I would definitely scuff the primer with a red scotchbrite prior to shooting the raptor liner. You want that mechanical adhesion. I had one small area that lifted a little that I had to touch up. I chalked it up to lackluster prep in that spot. It was easy enough to repair though. This stuff really is dummy proof. Good luck with your project! Here's a shot (albeit a tad blurry) of when I did mine last year.
I used raptor liner for the rear part of the interior in my '66 Dart. I wouldn't worry too much about the thickness at the spring mounts etc. If you're worried about it, you can always go a little lighter in those areas. Or, you could avoid them all together (assuming you plan on using a shutz gun), then thin some material out and hit them with an HVLP gun instead. Don't worry about the plug/grommet holes either. They'll slide right in afterwards.
I'd be careful, about using grease in the bolt holes too. If you do, be very careful to clean off any that gets smeared around the hole where you want to spray with the raptor liner. Maybe use a wad of tape instead, or an old bolt? You could always chase the threads afterwards too.
Read the TDS - it should call out what prep is suggested. I would definitely scuff the primer with a red scotchbrite prior to shooting the raptor liner. You want that mechanical adhesion. I had one small area that lifted a little that I had to touch up. I chalked it up to lackluster prep in that spot. It was easy enough to repair though. This stuff really is dummy proof. Good luck with your project! Here's a shot (albeit a tad blurry) of when I did mine last year.