Well, I started building my chassis and apparently while welding my tack welds didn't hold my frame rails solid enough and when I finished welding and let it cool my rails had pushed out to 15-1/8" with 15" being max. Just wondering if there was a little cushion in it as long as it wasn't excessive and considering powder coating can add width to many of the bare frames when assembled. I don't want to cut this thing all back apart but if I need to them so be it